Related by context. Frequent words. (Click for all words.) 54 VFR 47 ETOPS 47 TCAS 46 FAR Part 45 NOTAM 45 RVSM 44 localizer 43 EFIS 43 altimeters 42 TAWS 42 autopilots 41 FAA 41 collision avoidance systems 41 VTOL 41 STOVL 41 inertial navigation 41 FADEC 41 runway #L 40 National Airspace System 40 pilots 40 AWOS 40 radar altimeter 40 collision avoidance 40 GeckoNav 40 Instrument Landing 39 pressurisation 39 abort takeoff 39 midair collisions 39 autopilot 39 runway #R 39 RNP 39 reprogrammable 39 flight 39 seat Embraer ERJ 38 FS# [001] 38 emergency locator transmitter 38 aircraft 38 engine Piper Cherokee 38 Citation X 38 spaceplane 38 I2C interface 38 unpiloted 38 STCs 38 Airspace 38 Airworthiness 38 interplanetary spacecraft 38 Federal Aviation Administration 38 PSLV C# 37 Supplemental Type 37 VOR 37 Embraer Phenom 37 congested airspace 37 unpowered 37 UCAV 37 pilot 37 Agency EASA 37 takeoffs 37 UAV 37 UUV 37 autonomously 37 ailerons 37 transponder 37 JTACs 37 scramjet engine 37 cockpit 37 Onur Air 37 altimeter 37 parallel runways 37 Kathleen Bergen spokeswoman 36 airframe 36 Demonstrated ability 36 ion propulsion 36 airplane 36 NPRM 36 avionics suite 36 spatial disorientation 36 initialize 36 Flight Instructor 36 WAAS 36 airworthiness 36 runway incursions 36 airspace 36 drogue 35 controllers 35 resupply missions 35 deplaning passengers 35 waypoints 35 propulsion 35 AFSOC 35 recompile 35 CRJ#s 35 Lunar Module 35 EUROCONTROL 35 Atlas V 35 EASA 35 airtankers 35 SESAR 35 parallel taxiway 35 configured 35 OBD II 35 reprogram