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70-558: The initial variant of the BR.2 developed 230 horsepower (170 kW), with nine cylinders measuring 5.5 by 7.1 inches (140 mm × 180 mm) for a total displacement of 1,522 cubic inches (24.9 L). It weighed 490 pounds (220 kg), only 93 pounds (42 kg) more than the Bentley BR.1 . This was the last type of rotary engine to be adopted by the RAF – later air-cooled aircraft engines such as

140-496: A guardhouse . Marham was 80 acres (32 ha). Both these Stations are now lost beneath the present RAF Marham . Similarly, Stations at Easton-on-the-Hill and Stamford merged into modern day RAF Wittering although they are in different counties. The Royal Flying Corps Canada was established by the RFC in 1917 to train aircrew in Canada. Air Stations were established in southern Ontario at

210-682: A German Etrich Taube , which had approached their aerodrome while they were refuelling their Avro 504. Another RFC machine landed nearby and the RFC observer chased the German pilot into nearby woods. After the Great Retreat from Mons, the Corps fell back to the Marne where in September, the RFC again proved its value by identifying von Kluck's First Army's left wheel against the exposed French flank. This information

280-746: A Naval Wing. By 1914, the Naval Wing had become the Royal Naval Air Service, having gained its independence from the Royal Flying Corps. By November 1914 the Flying Corps had significantly expanded and it was felt necessary to create organizational units which would control collections of squadrons; the term "wing" was reused for these new organizational units. The Military Wing was abolished and its units based in Great Britain were regrouped as

350-525: A book by L K Blackmore. The Canada Aviation and Space Museum in Ottawa, Ontario, Canada has a BR.2 installed in their Sopwith 7F.1 Snipe. Data from Jane's Related development Comparable engines Related lists Bentley B.R.1 The Bentley BR.1 was a British rotary aircraft engine of the First World War . Designed by the motor car engine designer W. O. Bentley , BR.1s powered

420-525: A number of important British aircraft, including the Sopwith 1½ Strutter however in service it was prone to overheating and seizure due to the failure of piston obturator rings . Following technical disagreements with Gwynnes’s management, who were resistant to some of his ideas, Bentley was reassigned to work with Humber engineering whose wartime production up until that point had mostly consisted of bicycles and field kitchens. At Humber’s works, Bentley

490-625: A royal warrant establishing the Royal Flying Corps. The Air Battalion of the Royal Engineers became the Military Wing of the Royal Flying Corps a month later on 13 May. The Flying Corps' initial allowed strength was 133 officers, and by the end of that year it had 12 manned balloons and 36 aeroplanes . The RFC originally came under the responsibility of Brigadier-General Henderson , the Director of Military Training, and had separate branches for

560-554: A tradition. In August 1912, RFC Lieutenant Wilfred Parke RN became the first aviator to be observed to recover from an accidental spin when the Avro G cabin biplane, with which he had just broken a world endurance record, entered a spin at 700 feet above ground level at Larkhill. Four months later, on 11 December 1912, Parke was killed when the Handley Page monoplane in which he was flying from Hendon to Oxford crashed. Aircraft used during

630-501: A vast scale', he recommended a new air service be formed that would be on a level with the Army and Royal Navy. The formation of the new service would also make the under-used men and machines of the Royal Naval Air Service (RNAS) available for action on the Western Front and end the inter-service rivalries that at times had adversely affected aircraft procurement. On 1 April 1918, the RFC and

700-751: Is in the National Military Museum, Romania . The sole operational BR.2 is mounted in Fantasy of Flight 's replica of the Sopwith Snipe . A ¼ scale working replica of the Bentley BR.2 World War I rotary aero engine built by Lewis Kinleside Blackmore is currently on display at the Bentley Memorial Building in Oxfordshire, UK. This was the first model built of this engine and is the subject also of

770-899: The 6th Wing had been created and in November 1915 a 7th Wing and 8th Wing had also been stood up. Additional wings continued to be created throughout World War I in line with the incessant demands for air units. The last RFC wing to be created was the 54th Wing in March 1918, just prior to the creation of the RAF. Following the creation of brigades, wings took on specialised functions. Corps wings undertook artillery observation and ground liaison duties, with one squadron detached to each army corps. Army wings were responsible for air superiority, bombing and strategic reconnaissance. United Kingdom based forces were organised into home defence and training wings. By March 1918, wings controlled as many as nine squadrons. Following Sir David Henderson's return from France to

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840-517: The Administrative Wing . The RFC squadrons in France were grouped under the newly established 1st Wing and the 2nd Wing . The 1st Wing was assigned to the support of the 1st Army whilst the 2nd Wing supported the 2nd Army . As the Flying Corps grew, so did the number of wings. The 3rd Wing was established on 1 March 1915 and on 15 April the 5th Wing came into existence. By August that year

910-483: The Committee of Imperial Defence established a sub-committee to examine the question of military aviation in November 1911. On 28 February 1912 the sub-committee reported its findings which recommended that a flying corps be formed and that it consist of a naval wing, a military wing, a central flying school and an aircraft factory. The recommendations of the committee were accepted and on 13 April 1912 King George V signed

980-478: The Cosmos Jupiter and Armstrong Siddeley Jaguar being almost entirely of the fixed radial type. With the BR.2, the rotary engine had reached a point beyond which this type of engine could not be further developed, due to its inherent limitations. The type selected as the standard single-seat fighter of the post-war RAF, the Sopwith Snipe , had been designed around the BR.2, as had its ground attack version,

1050-589: The First World War until it merged with the Royal Naval Air Service on 1 April 1918 to form the Royal Air Force . During the early part of the war, the RFC supported the British Army by artillery co-operation and photographic reconnaissance . This work gradually led RFC pilots into aerial battles with German pilots and later in the war included the strafing of enemy infantry and emplacements ,

1120-611: The Sopwith TF.2 Salamander . A number of other experimental and minor production types were either designed for, or otherwise fitted with this power plant during the late "war" years and into the early 1920s. A Bentley BR.2 is on public display in the Science Museum (London) , another forms part of the aero engine collection at the Royal Air Force Museum Cosford . Another one (serial number 40543, manufactured by Gwynnes)

1190-442: The bombing of German military airfields and later the strategic bombing of German industrial and transport facilities. At the start of World War I the RFC, commanded by Brigadier-General Sir David Henderson , consisted of five squadrons – one observation balloon squadron (RFC No 1 Squadron) and four aeroplane squadrons. These were first used for aerial spotting on 13 September 1914 but only became efficient when they perfected

1260-464: The Army and the Navy. Major Sykes commanded the Military Wing and Commander C R Samson commanded the Naval Wing. The Royal Navy , however, with priorities different from those of the Army and wishing to retain greater control over its aircraft, formally separated its branch and renamed it the Royal Naval Air Service on 1 July 1914, although a combined central flying school was retained. The RFC's motto

1330-454: The BR.1 and BR.2. The commission eventually awarded W O Bentley a single payment of eight thousand pounds. Data from Jane's Fighting Aircraft of World War I and Airplane Engine Encyclopedia (1921) Related development Comparable engines Related lists Royal Flying Corps The Royal Flying Corps ( RFC ) was the air arm of the British Army before and during

1400-450: The Battle of Aubers Ridge. Operations from balloons thereafter continued throughout the war. Highly hazardous in operation, a balloon could only be expected to last a fortnight before damage or destruction. Results were also highly dependent on the expertise of the observer and was subject to the weather conditions. To keep the balloon out of the range of artillery fire, it was necessary to locate

1470-447: The British Army's highly detailed 1:10,000 scale maps introduced in mid-1915. Such were advances in aerial photography that the entire Somme Offensive of July–November 1916 was based on the RFC's air-shot photographs. One of the initial and most important uses of RFC aircraft was observing artillery fire behind the enemy front line at targets that could not be seen by ground observers. The fall of shot of artillery fire were easy enough for

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1540-532: The Calthrop Guardian Angel parachute (1916 model) was officially adopted just as the war ended. By this time parachutes had been used by balloonists for three years. On 17 August 1917, South African General Jan Smuts presented a report to the War Council on the future of air power . Because of its potential for the 'devastation of enemy lands and the destruction of industrial and populous centres on

1610-510: The Clerget engines in British service. Most Royal Flying Corps (RFC) Camel squadrons used Clerget engines and British production of the Clerget 9B continued until the end of the war. On the 31st of October 1918 the, newly formed, RAF had 385 Bentley BR.1 powered Camels vs 1,342 powered by Clergets. The remaining 821 aircraft were powered by either Le Rhône or Gnome Monosoupape engines. The BR.1

1680-633: The Clerget’s signature offset epicyclical cam gears with separate pushrods for the intake and exhaust. In common with many other late war rotary engines, the new engine had two spark plugs per cylinder. The engine was initially known as the A.R.1 for "Admiralty Rotary", but later called the BR.1 ("Bentley Rotary"). The BR.1 was standardised for the Sopwith Camel in RNAS squadrons, but there were never enough to supplant

1750-627: The French coast to the Bay of the Somme and followed the river to Amiens . When the BEF moved forward to Maubeuge the RFC accompanied them. On 19 August the Corps undertook its first action of the war, with two of its aircraft performing aerial reconnaissance . The mission was not a great success; to save weight each aircraft carried a pilot only instead of the usual pilot and observer. Because of this, and poor weather, both of

1820-485: The HQ, and three Landing Grounds, one per each flight . Stations tended to be named after the local railway station, to simplify the administration of rail travel warrants. Typically a training airfield consisted of a 2,000 feet (610 m) grass square. There were three pairs plus one single hangar, constructed of wood or brick, 180 feet (55 m) x 100 feet (30 m) in size. There were up to 12 canvas Bessonneau hangars as

1890-463: The RNAS were amalgamated to form a new service, the Royal Air Force (RAF), under the control of the new Air Ministry . After starting in 1914 with some 2,073 personnel, by the start of 1919 the RAF had 4,000 combat aircraft and 114,000 personnel in some 150 squadrons. With the growing recognition of the potential for aircraft as a cost-effective method of reconnaissance and artillery observation,

1960-434: The Royal Flying Corps consisted of a number of squadrons . When the Royal Flying Corps was established it was intended to be a joint service. Owing to the rivalry between the British Army and Royal Navy, new terminology was thought necessary in order to avoid marking the Corps out as having a particularly Army or Navy ethos. Accordingly, the Corps was originally split into two wings: a Military Wing (i.e. an army wing) and

2030-541: The Royal Flying Corps in France was never titled as a division, by March 1916 it comprised several brigades and its commander (Trenchard) had received a promotion to major-general, giving it in effect divisional status. Finally, the air raids on London and the south-east of England led to the creation of the London Air Defence Area in August 1917 under the command of Ashmore who was promoted to major-general. Two of

2100-523: The War Office in August 1915, he submitted a scheme to the Army Council which was intended to expand the command structure of the Flying Corps. The Corps' wings would be grouped in pairs to form brigades and the commander of each brigade would hold the temporary rank of brigadier-general . The scheme met with Lord Kitchener 's approval and although some staff officers opposed it, the scheme was adopted. In

2170-614: The administration section of the squadron. Each flight contained on average between six and ten pilots (and a corresponding number of observers, if applicable) with a senior sergeant and thirty-six other ranks (as fitters, riggers, metalsmiths, armourers, etc.). The average squadron also had on complement an equipment officer, armaments officer (each with five other ranks) and a transport officer, in charge of twenty-two other ranks. The squadron transport establishment typically included one car, five light tenders, seven heavy tenders, two repair lorries, eight motorcycles and eight trailers. Wings in

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2240-610: The adoption of a continually offensive stance operationally in efforts to pin the enemy back led to many brave fighting exploits and high casualties – over 700 in 1916, the rate worsening thereafter, until the RFC's nadir in April 1917 which was dubbed ' Bloody April '. This aggressive, if costly, doctrine did however provide the Army General Staff with vital and up-to-date intelligence on German positions and numbers through continual photographic and observational reconnaissance throughout

2310-505: The aircraft could not receive. Originally only a special Wireless Flight attached to No. 4 Squadron RFC had the wireless equipment. Eventually this flight was expanded into No. 9 Squadron under Major Hugh Dowding . However, in early 1915 the Sterling lightweight wireless became available and was widely used. In 1915 each corps in the BEF was assigned a RFC squadron solely for artillery observation and reconnaissance duties. The transmitter filled

2380-419: The aircraft, constructed from wood, wire and fabric, were liable to weather damage. Other airfield buildings were typically wooden or Nissen huts . Landing Grounds were often L-shaped, usually arrived at by removing a hedge boundary between two fields, and thereby allowing landing runs in two directions of 400–500 metres (1,300–1,600 ft). Typically they would be manned by only two or three airmen, whose job

2450-469: The airman reported the position of the ranging round using the clock code, the battery adjusted their firing data and fired again, and the process was repeated until the pilot observed an on-target or close round. The battery commander then decided how much to fire at the target. The results were mixed. Observing artillery fire, even from above, requires training and skill. Within artillery units, ground observers received mentoring to develop their skill, which

2520-455: The balloons some distance away from the front line or area of military operations. However, the stable platform offered by a kite-balloon made it more suitable for the cameras of the day than an aircraft. For the first half of the war, as with the land armies deployed, the French air force vastly outnumbered the RFC, and accordingly did more of the fighting. Despite the primitive aircraft, aggressive leadership by RFC commander Hugh Trenchard and

2590-473: The battery they were colocated with. This led to concerns as to who had responsibility for them and in November 1916 squadron commanders had to be reminded "that it is their duty to keep in close touch with the operators attached to their command, and to make all necessary arrangements for supplying them with blankets, clothing, pay, etc" (Letter from Headquarters, 2nd Brigade RFC dated 18 November 1916 – Public Records Office AIR/1/864) The wireless operators' work

2660-638: The building of headquarters/administration offices, mess buildings, fuel and weapon stores, wireless huts and other support structures as well as the aircraft hangarage and repair facilities. Narborough and Marham both started off as Night Landing Grounds a few miles apart. One was an RNAS Station, the other RFC. Narborough grew to be the largest aerodrome in Britain at 908 acres (367 ha) with 30 acres (12 ha) of buildings including seven large hangars, seven motorised transport (MT) garages, five workshops, two coal yards, two Sergeants' Messes, three dope sheds and

2730-584: The cockpit normally used by the observer and a trailing wire antenna was used which had to be reeled in prior to landing. The RFC's wireless experiments under Major Herbert Musgrave, included research into how wireless telegraphy could be used by military aircraft. However, the most important officers in wireless development were Lieutenants Donald Lewis and Baron James in the RFC HQ wireless unit formed in France in September 1914. They developed both equipment and procedures in operational sorties. An important development

2800-441: The conduct of operations. Fired at constantly by friend and foe, and not hesitating to fly in every kind of weather, they have remained undaunted throughout. Further, by actually fighting in the air, they have succeeded in destroying five of the enemy's machines." Early in the war RFC aircraft were not systematically marked with any national insignia . At a squadron level, Union Flag markings in various styles were often painted on

2870-534: The conspicuous white circle of the "day" marking. Later in September, 1914, during the First Battle of the Aisne , the RFC made use of wireless telegraphy to assist with artillery targeting and took aerial photographs for the first time. From 16,000 feet a photographic plate could cover some 2 by 3 miles (3.2 km × 4.8 km) of front line in sharp detail. In 1915 Lieutenant-Colonel JTC Moore-Brabrazon designed

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2940-638: The crucial observation of the 1st German Army's approach towards the flank of the British Expeditionary Force. This allowed the BEF Commander-in-Chief Field Marshal Sir John French to realign his front and save his army around Mons. Next day, the RFC found itself fighting in the Battle of Mons and two days after that, gained its first air victory. On 25 August, Lt C. W. Wilson and Lt C. E. C. Rabagliati forced down

3010-518: The end of March 1918, the Royal Flying Corps comprised some 150 squadrons. The composition of an RFC squadron varied depending on its designated role, although the commanding officer was usually a major (in a largely non-operational role), with the squadron 'flights' (annotated A, B, C etc.) the basic tactical and operational unit, each commanded by a captain. A 'recording officer' (of captain/lieutenant rank) would act as intelligence officer and adjutant, commanding two or three NCOs and ten other ranks in

3080-417: The engine was named after him, W O Bentley did not hold any commercial rights as his design work took place while he was serving as a Royal Navy officer assigned to the task of improving aero engines. In 1919 a royal commission was set up to compensate inventors of unpatented devices used by the British government during WW1. W O Bentley and Gwynnes Ltd both filed claims for work on the development of

3150-482: The field, most brigades were assigned to the army. Initially a brigade consisted of an army wing and corps wing; beginning in November 1916 a balloon wing was added to control the observation balloon companies. Logistics support was provided by an army aircraft park, aircraft ammunition column and reserve lorry park. All operating locations were officially called "Royal Flying Corps Station name ". A typical Squadron may have been based at four Stations – an Aerodrome for

3220-452: The first practical aerial camera. These semi-automatic cameras became a high priority for the Corps and photo-reconnaissance aircraft were soon operational in numbers with the RFC. The camera was usually fixed to the side of the fuselage, or operated through a hole in the floor. The increasing need for surveys of the western front and its approaches, made extensive aerial photography essential. Aerial photographs were exclusively used in compiling

3290-622: The first three RFC squadrons were formed from the Air Battalion of the Royal Engineers: No. 1 Company (a balloon company) becoming No. 1 Squadron, RFC , and No. 2 Company (a 'heavier-than-air' company) becoming No. 3 Squadron, RFC . A second heavier-than-air squadron, No. 2 Squadron, RFC , was also formed on the same day. No. 4 Squadron, RFC was formed from No. 2 Sqn in August 1912, and No. 5 Squadron, RFC from No. 3 Sqn in July 1913. By

3360-548: The following locations: The RFC was also responsible for the manning and operation of observation balloons on the Western front . When the British Expeditionary Force (BEF) arrived in France in August 1914, it had no observation balloons and it was not until April 1915 that the first balloon company was on strength, albeit on loan from the French Aérostiers. The first British unit arrived 8 May 1915, and commenced operations during

3430-465: The ground or a signalling lamp to give visual confirmation that the signals had been received. The wireless communication was one way as no receiver was mounted in the aircraft and the ground station could not transmit. Details from: "Henry Tabor's 1916 War Diary" . By May 1916, 306 aircraft and 542 ground stations were equipped with wireless. An unusual mission for the RFC was the delivery of spies behind enemy lines. The first mission took place on

3500-406: The ground. The Royal Engineers' Air Battalion had pioneered experiments with wireless telegraphy in airships and aircraft before the RFC was created. Unfortunately the early transmitters weighed 75 pounds and filled a seat in the cockpit. This meant that the pilot had to fly the aircraft, navigate, observe the fall of the shells and transmit the results by morse code by himself. Also, the wireless in

3570-654: The loss of the Naval Wing into account, had expanded sufficiently to warrant the creation of wings consisting of two or more squadrons. These wings were commanded by lieutenant-colonels. In October 1915 the Corps had undergone further expansion which justified the creation of brigades , each commanded by a brigadier-general . Further expansion led to the creation of divisions , with the Training Division being established in August 1917 and RFC Middle East being raised to divisional status in December 1917. Additionally, although

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3640-595: The majority of Sopwith Camels flown by the Royal Naval Air Service (RNAS). During World War I, W O Bentley, already a respected motorcar designer, served as an officer in the Royal Navy . Bentley acted as a liaison officer between the RNAS and various British aero engine manufacturers. As part of his duties, Bentley was dispatched to Gwynnes ’s factory in London to improve the reliability of their license built Clerget 9B rotary engines. The 130 horsepower Clerget 9B powered

3710-438: The morning of 13 September 1915 and was not a success. The plane crashed, the pilot and spy were badly injured and they were both captured (two years later the pilot, Captain T.W. Mulcahy-Morgan escaped and returned to England). Later missions were more successful. In addition to delivering the spies the RFC was also responsible for keeping them supplied with the carrier pigeons that were used to send reports back to base. In 1916,

3780-464: The pilot to see, providing he was looking in the right place at the right time; apart from this the problem was communicating corrections to the battery. Development of procedures had been the responsibility of No 3 Squadron and the Royal Artillery in 1912–13. These methods usually depended on the pilot being tasked to observe the fire against a specific target and report the fall of shot relative to

3850-476: The pilots lost their way and only one was able to complete his task. On 22 August 1914, the first British aircraft was lost to German fire. The crew – pilot Second Lieutenant Vincent Waterfall and observer Lt. Charles George Gordon Bayly, of 5 Squadron – flying an Avro 504 over Belgium, were killed by infantry fire. Also on 22 August 1914, Captain L E O Charlton (observer) and his pilot, Lieutenant Vivian Hugh Nicholas Wadham, made

3920-498: The roundel was applied to the fuselage sides as well as the wings. To minimise the likelihood of "friendly" attack, the rudders of RFC aircraft were painted to match the French, with the blue, white and red stripes – going from the forward (rudder hingeline) to aft (trailing edge) – of the French tricolour . Later in the war, a "night roundel" was adopted for night flying aircraft (especially Handley Page O/400 heavy bombers), which omitted

3990-435: The target, the battery adjusted their aim, fired and the process was repeated until the target was effectively engaged. One early communication method was for the flier to write a note and drop it to the ground where it could be recovered but various visual signalling methods were also used. This meant the pilots had to observe the battery to see when it fired and see if it had laid out a visual signal using white marker panels on

4060-477: The use of wireless communication at Aubers Ridge on 9 May 1915. Aerial photography was attempted during 1914, but again only became effective the next year. By 1918, photographic images could be taken from 15,000 feet and were interpreted by over 3,000 personnel. Parachutes were not available to pilots of heavier-than-air craft in the RFC – nor were they used by the RAF during the First World War – although

4130-417: The war by the RFC included: On its inception in 1912 the Royal Flying Corps consisted of a Military and a Naval Wing, with the Military Wing consisting of three squadrons each commanded by a major. The Naval Wing, with fewer pilots and aircraft than the Military Wing, did not organise itself into squadrons until 1914; it separated from the RFC that same year. By November 1914 the Royal Flying Corps, even taking

4200-583: The war. At the start of the war, numbers 2, 3, 4 and 5 Squadrons were equipped with aeroplanes. No. 1 Squadron had been equipped with balloons but all these were transferred to the Naval Wing in 1913; thereafter No. 1 Squadron reorganised itself as an 'aircraft park' for the British Expeditionary Force. The RFC's first casualties were before the Corps even arrived in France: Lt Robert R. Skene and Air Mechanic Ray Barlow were killed on 12 August 1914 when their (probably overloaded) plane crashed at Netheravon on

4270-534: The way to rendezvous with the rest of the RFC near Dover . Skene had been the first Englishman to perform a loop in an aeroplane. On 13 August 1914, 2, 3, and 4 squadrons, comprising 60 machines, departed from Dover for the British Expeditionary Force in France and 5 Squadron joined them a few days later. The aircraft took a route across the English Channel from Dover to Boulogne , then followed

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4340-531: The wings (and sometimes the fuselage sides and/or rudder). However, there was a danger of the large red St George's Cross being mistaken for the German Eisernes Kreuz (iron cross) marking, and so of RFC aircraft being fired upon by friendly ground forces. By late 1915, therefore, the RFC had adopted a modified version of the French cockade (or roundel ) marking, with the colours reversed (the blue circle outermost). In contrast to usual French practice,

4410-518: Was Per ardua ad astra ("Through adversity to the stars"). This remains the motto of the Royal Air Force (RAF) and other Commonwealth air forces. The RFC's first fatal crash was on 5 July 1912 near Stonehenge on Salisbury Plain ; Captain Eustace B. Loraine and his observer, Staff Sergeant R.H.V. Wilson, flying from Larkhill Aerodrome , were killed. An order was issued after the crash stating "Flying will continue this evening as usual", thus beginning

4480-466: Was able to implement his ideas resulting in a rotary engine which, while outwardly similar to the Clerget 9B, featured aluminium cyliners and redesigned cylinder heads. Cylinders were fitted with shrunk in liners allowing for sealing with conventional piston rings rather than the fragile obturator rings used on the Clerget engines. Stroke was increased to 6.7 inches (17 cm) which allowed power to be increased to 150 horsepower (110 kW). The engine retained

4550-515: Was developed as the BR.2 , a heavier, more powerful engine, which powered, among other types of aircraft, the Camel's eventual replacement, the Sopwith Snipe . The BR.1 was regarded by many RNAS officers as the best available power-plant for the Sopwith Camel. In addition, the Admiralty were able to purchase the BR.1 for £643 per engine, considerably less than the £907 paid for each Clerget 9B. Although

4620-604: Was not available to RFC aircrew. There were undoubtedly some very skilled artillery observers in the RFC, but there were many who were not and there was a tendency for ' optimism bias ' – reporting rounds as being on target when they were not. The procedures were also time-consuming. The ground stations were generally attached to heavy artillery units, such as Royal Garrison Artillery Siege Batteries, and were manned by RFC wireless operators, such as Henry Tabor. These wireless operators had to fend for themselves as their squadrons were situated some distance away and they were not posted to

4690-399: Was often carried out under heavy artillery fire in makeshift dug-outs. The artillery batteries were important targets and antennas were a lot less robust than the guns, hence prone to damage requiring immediate repair. As well as taking down and interpreting the numerous signals coming in from the aircraft, the operator had to communicate back to the aircraft by means of cloth strips laid out on

4760-670: Was significant as the First Army's manoeuvre allowed French forces to make an effective counter-attack at the Battle of the Marne . Sir John French 's (the British Expeditionary Force commander) first official dispatch on 7 September included the following: "I wish particularly to bring to your Lordships' notice the admirable work done by the Royal Flying Corps under Sir David Henderson. Their skill, energy, and perseverance has been beyond all praise. They have furnished me with most complete and accurate information, which has been of incalculable value in

4830-508: Was the Zone Call procedure in 1915. By this time maps were 'squared' and a target location could be reported from the air using alphanumeric characters transmitted in Morse code. Batteries were allocated a Zone, typically a quarter of a mapsheet, and it was the duty of the RFC signallers on the ground beside the battery command post to pick out calls for fire in their battery's Zone. Once ranging started

4900-727: Was to guard the fuel stores and assist any aircraft which had occasion to land. Accommodation for airmen and pilots was often in tents, especially on the Western Front. Officers would be billeted to local country houses , or commandeered châteaux when posted abroad, if suitable accommodation had not been built on the Station. Landing Grounds were categorised according to their lighting and day or night capabilities: Stations that were heavily used or militarily important grew by compulsorily purchasing extra land, changing designations as necessary. Aerodromes would often grow into sprawling sites, due to

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