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21-759: JMO may refer to: Jomsom Airport , in Nepal Jupiter Magnetospheric Orbiter Yugoslav Muslim Organization (Bosnian: Jugoslovenska Muslimanska Organizacija ) Journal des marches et opérations, a French expression for a war diary Junior Mathematical Olympiad, a math competition organized by the United Kingdom Mathematics Trust See also [ edit ] United States of America Junior Mathematical Olympiad (USAJMO), an American high school mathematics competition Topics referred to by

42-467: A 50-foot (15 meters) obstacle within 1,500 feet (450 meters) of commencing takeoff or in landing, to stop within 1,500 feet (450 meters) after passing over a 50-foot (15 meters) obstacle. Also called STOL. STOL (Short Take Off and Landing). STOL performance of an aircraft is the ability of aircraft to take off and clear a 50-foot obstruction in a distance of 1,500 feet from beginning the takeoff run. It must also be able to stop within 1,500 feet after crossing

63-443: A 50-foot obstacle on landing. An aircraft that, at some weight within its approved operating weight, is capable of operating from a STOL runway in compliance with the applicable STOL characteristics and airworthiness, operations, noise, and pollution standards" and ""aircraft" means any machine capable of deriving support in the atmosphere A STOL aircraft is an aircraft with a certified performance capability to execute approaches along

84-467: A 50-ft (15-m) obstacle at the end of that distance and upon landing can clear the same obstacle and then land within 1,000 ft. The STOL mode of flight is one during which an airplane taking off or landing is operated at climb-out and approach speeds lower than the conventionally accepted margins of airspeed above the power-off stalling speed of the airplane. Additionally, some aircraft manufacturers market their products as STOL without providing evidence that

105-470: A glideslope of 6 degrees or steeper and to execute missed approaches at a climb gradient sufficient to clear a 15:1 missed approach surface at sea level... A STOL runway is one which is specifically designated and marked for STOL aircraft operations, and designed and maintained to specified standards. Heavier-than-air craft that cannot take off and land vertically, but can operate within areas substantially more confined than those normally required by aircraft of

126-571: Is a popular pilgrimage for Nepalis and Indian pilgrims. Jomsom Airport is located adjacent to the Kali Gandaki River at the northern end of the Kali Gandaki Gorge . The airport resides at an elevation of 8,976 feet (2,736 m) above mean sea level . It has one asphalt paved runway designated 06/24 which measures 2,424 by 66 feet (739 m × 20 m). There is a downslope of 1.75% up to about 418 feet (127 m) from

147-674: Is critical, because many small, isolated communities rely on STOL aircraft as their only transportation link to the outside world for passengers or cargo; examples include many communities in the Canadian north and Alaska . Most STOL aircraft can land either on- or off-airport. Typical off-airport landing areas include snow or ice (using skis), fields or gravel riverbanks (often using special fat, low-pressure tundra tires ), and water (using floats ): these areas are often extremely short and obstructed by tall trees or hills. Wheel skis and amphibious floats combine wheels with skis or floats, allowing

168-614: Is different from Wikidata All article disambiguation pages All disambiguation pages Jomsom Airport Jomsom Airport ( Nepali : जोमसोम विमानस्थल , IATA : JMO , ICAO : VNJS ) is a domestic airport located in Jomsom serving Mustang District , a district in Gandaki Province in Nepal . It serves as the gateway to Mustang District that includes Jomsom , Kagbeni , Tangbe , and Lo Manthang , and Muktinath temple, which

189-654: Is located on the north side of the Himalayas while Pokhara is on the south side. The STOL aircraft servicing this route are unable to fly at the altitudes required to fly over the Himalayas. The heat from the sun in the Mustang District causes air to rise and draws strong southerly winds through the Kali Gandaki River gorge, resulting in strong winds at Jomsom airport after early morning. Cloud cover, changing visibility, and high winds, often mean flights are delayed or

210-471: Is minimized by strong brakes , low landing speed, thrust reversers or spoilers (less common). Overall STOL performance is set by the length of runway needed to land or take off, whichever is longer. Of equal importance to short ground run is the ability to clear obstacles, such as hills, on both take off and landing. For takeoff, large power/weight ratios and low drag result in a high rate of climb required to clear obstacles. For landing, high drag allows

231-484: The Peterson 260SE . Autogyros also have STOL capability, needing a short ground roll to get airborne, but capable of a near-zero ground roll when landing. Runway length requirement is a function of the square of the minimum flying speed ( stall speed ), and most design effort is spent on reducing this number. For takeoff , large power/weight ratios and low drag help the plane to accelerate for flight. The landing run

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252-619: The United States that were used for scheduled passenger airline operations but are now no longer in existence. Cruise -efficient short takeoff and landing (CESTOL), is an aircraft with both very short runway requirements and high cruise speeds (greater than Mach 0.8). Many different definitions of STOL have been used by different authorities and nations at various times and for a myriad of regulatory and military purposes. Some accepted definitions of STOL include: short takeoff and landing: ( DOD / NATO ) The ability of an aircraft to clear

273-592: The aeroplane to descend steeply to the runway without building excess speed resulting in a longer ground run. Drag is increased by use of flaps (devices on the wings) and by a forward slip (causing the aeroplane to fly somewhat sideways through the air to increase drag). Normally, a STOL aircraft will have a large wing for its weight. These wings often use aerodynamic devices like flaps, slots , slats , and vortex generators . Typically, designing an aircraft for excellent STOL performance reduces maximum speed, but does not reduce payload lifting ability. The payload

294-640: The airport and turn in the Mustang area in order to land into the strong southerly winds. STOL Many fixed-wing STOL aircraft are bush planes , though some, like the de Havilland Canada Dash-7 , are designed for use on prepared airstrips; likewise, many STOL aircraft are taildraggers , though there are exceptions like the PAC P-750 XSTOL , the Quest Kodiak , the de Havilland Canada DHC-6 Twin Otter and

315-416: The airport closed. There are very high mountains between Pokhara and Jomsom, including Dhaulagiri (8,167 m or 26,795 ft) and Tukuche (6,920 m or 22,703 ft) on the west and Nilgiri Central (6,940 m or 22,769 ft) and Annapurna (8,091 m or 26,545 ft) on the east, of the Kali Gandaki River gorge and other high terrain, that prevent planes flying over the mountains and are hazards for

336-467: The choice of landing on snow/water or a prepared runway. A number of aircraft modification companies offer STOL kits for improving short-field performance. A STOLport is an airport designed with STOL operations in mind, normally having a short single runway. STOLports are not common but can be found, for example, at London City Airport in London , United Kingdom . There were also several STOLports in

357-414: The early morning when wind speeds are low. Airlines operate a shuttle service between Jomsom and Pokhara and planes are turned around as rapidly as possible at each airport in order to complete as many flights as possible before wind speeds at Jomsom become too high or visibility forces the suspension of flights. Although the flying distance is short and the flight time is just 20 minutes, Jomsom Airport

378-469: The planes flying through the gorge. The high terrain to the east and west of the gorge is hazardous to planes on final approach to the airport from the south, or when an approach from the north is aborted and a go-around is attempted. With Jomsom Airport located at the head of the gorge, the high terrain surrounding the airport is a hazard whenever a go-around is required and when, as is frequently necessary after mid-morning, planes from Pokhara must overfly

399-462: The same size. Derived from short takeoff and landing aircraft. short takeoff and landing aircraft (STOL), heavier-than-air craft, capable of rising from and descending to the ground with only a short length of runway, but incapable of doing so vertically. The precise definition of an STOL aircraft has not been universally agreed upon. However, it has been tentatively defined as an aircraft that upon taking off needs only 1,000 ft (305 m) of runway to clear

420-450: The same term [REDACTED] This disambiguation page lists articles associated with the title JMO . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=JMO&oldid=1224078735 " Category : Disambiguation pages Hidden categories: Articles containing Bosnian-language text Short description

441-439: The threshold of runway 06. There is a terminal building for passengers. There are daily flights between Pokhara Airport (domestic) and Jomsom between 0600 and 1215 local time in good weather. The airport is available throughout the year but visibility is not adequate for visual flight rules flight about 15% of the time. As high wind speeds often prevent airport operation after midday, airlines schedule flights to Jomsom for

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