Upala Airport | |||||||||||
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| Summary | |||||||||||
| Airport type | Public | ||||||||||
| Serves | Upala, Costa Rica | ||||||||||
| Elevation AMSL | 184 ft / 56 m | ||||||||||
| Coordinates | 10°53′30″N85°01′00″W / 10.89167°N 85.01667°W Coordinates: 10°53′30″N85°01′00″W / 10.89167°N 85.01667°W | ||||||||||
| Map | |||||||||||
  UPL Location in Costa Rica | |||||||||||
| Runways | |||||||||||
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Upala Airport( IATA : UPL, ICAO : MRUP) is an airport serving the town of Upala in Alajuela Province, Costa Rica. Upala is 10 kilometres (6 mi) south of the Nicaragua border.
An IATA airport code, also known as an IATA location identifier, IATA station code or simply a location identifier, is a three-letter code designating many airports around the world, defined by the International Air Transport Association (IATA). The characters prominently displayed on baggage tags attached at airport check-in desks are an example of a way these codes are used.
The ICAOairport code or location indicator is a four-letter code designating aerodromes around the world. These codes, as defined by the International Civil Aviation Organization and published in ICAO Document 7910: Location Indicators, are used by air traffic control and airline operations such as flight planning.
Upala is the capital city of the canton of Upala in the province of Alajuela in Costa Rica. It is also the name of the distrito (district) that includes the city. The district of Upala covers an area of 245.62 km2 (94.83 sq mi), and has a population of 13,518.
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The runway is just south of the town, across the small Zapote River. There are 300 metres (980 ft) of unpaved overrun on the southwest end of the runway.
Zapote River is a river of Costa Rica.
The Los Chiles non-directional beacon (Ident: CHI) is located 20.1 nautical miles (37 km) east-northeast of the airport. The Liberia VOR-DME (Ident: LIB) is located 36.1 nautical miles (67 km) west-southwest of the airport. [4] [5]
A non-directional (radio) beacon (NDB) is a radio transmitter at a known location, used as an aviation or marine navigational aid. As the name implies, the signal transmitted does not include inherent directional information, in contrast to other navigational aids such as low frequency radio range, VHF omnidirectional range (VOR) and TACAN. NDB signals follow the curvature of the Earth, so they can be received at much greater distances at lower altitudes, a major advantage over VOR. However, NDB signals are also affected more by atmospheric conditions, mountainous terrain, coastal refraction and electrical storms, particularly at long range.
