Alt Idiomas

30 siglas em inglês da área de Aviação

Se o seu sonho de carreira é a aviação, você já deve saber que o inglês é um instrumento útil e essencial para qualquer profissional da área. Reunimos, então, 30 siglas em inglês para você conhecer, estudar e, claro, usar! E, como na Alt Idiomas não trabalhamos com tradução, você encontrará a explicação 100% em inglês para absorver ainda mais vocabulário. 😉

Check it out!



  1. AACI – airports association council international 
  2. AAVCS – automatic aircraft vectoring control system 
  3. ABCU – alternate braking control unit 
  4. ACAS II – airborne collision avoidance system 
  5. BASE – cloud base, the lower surface of a cloud. 
  6. BFF – before first flight (Piloting) 
  7. BFDAS- basic flight data acquisition system 
  8. CAO – cargo aircraft only  
  9. CANSO – civil air navigation services organization 
  10. CALL – computer-assisted language learning 
  11. CFTT – controlled flight towards terrain 
  12. DDCU – dedicated display and control unit 
  13. EAC – expected approach clearance 
  14. FCC (1) – flight control center
  15. GLD – glider. Fixed-wing aerodyne designed to glide, ordinarily having no internal propulsion.
  16. HAATC – high altitude air traffic control
  17. ISA- international standard atmosphere.
    Atmosphere in which the sea level pressure is 1013.25 hectopascals, temperature is 15ºC, air density is 0.002378 slugs/ft3 or 1.225 kg/m3, acceleration due to gravity is 32.174 ft/s2 (9.809 m/s2), and the speed of sound is 761 mph, or 1116.4 ft/s (1225.35 km/h). It has a uniform lapse rate until the temperature drops to -56.5ºC, at 36,090 ft (11 km), after which the temperature is constant until tropopause. All aerodynamic calculations are based on the ISA.
  18. JTSO- joint technical standard order
  19. KSA- knowledge, skill(s) and attitude(s)
  20. LCN – load classification number. The number which defines the load-carrying capacity of the paved surface of an aerodrome.
  21. MANPAD – man portable air-defense system
  22.  NEF – noise exposure forecast. The total summation (on an energy basis) over a 24 hour period (weighted for the time of day) of effective perceived noise level (EPNL) minus the constant 88 dB. NEF is used to determine the relative noise impact of aircraft noise near an airport.
  23. OECD – organization for economic co-operation and development
  24. PAPI – precision approach path indicator
  25.  QNH – Altimeter subscale setting to obtain elevation when on the ground.
  26.  RCLL – runway centre line lights. Flush centerline lights spaced at 50-foot intervals beginning 75 feet from the landing threshold and extending to within 75 feet of the opposite end of the runway.
  27.  SADCC -southern african development coordination conference
  28. VFTO –  final takeoff speed
  29.  WMO – world meteorological organization
  30.  YCZ – yellow caution zone



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