Sources
Primary terminology sources used across the aviation glossary.
- ICAO Doc 9432
- FAA Pilot/Controller Glossary
Protermify Aviation
A crawl-friendly aviation English glossary for real aviation communication
Study phraseology, aircraft systems, airport operations and emergency terminology sourced from ICAO Doc 9432 and the FAA Pilot/Controller Glossary.
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What this aviation site covers
Aviation English Glossary
Browse aviation terminology by category and by individual term pages. Each page is linked into a clear internal navigation structure for pilots, air traffic controllers and cabin crew.
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protermify.comAviation categories
Categories
Basic ATC
150 terms
View categoryAircraft Systems
107 terms
View categoryAdvanced ATC
94 terms
View categoryCabin
93 terms
View categoryEmergencies
89 terms
View categoryFlight Phase
85 terms
View categoryNavigation
85 terms
View categoryMEL and CDL MEL and CDL
84 terms
View categoryLong Haul
80 terms
View categoryCabin Safety
76 terms
View categoryGround Ops
72 terms
View categoryMeteorology
71 terms
View categoryFueling Deicing
63 terms
View categoryFlight Planning
52 terms
View categoryPhonetic Alphabet
36 terms
View categoryFeatured aviation terms
Term Index
Terms are grouped alphabetically for fast crawling and easy manual navigation.
Advanced ATC
ขั้นตอนทัศนวิสัยต่ำ
Aerodrome ground-movement and approach rules activated whenever reported runway visual range falls below published minima.
View termAdvanced ATC
การเข้าทางไอแอลเอสหมวด II
Precision approach using ILS equipment with decision height not lower than 100 ft and RVR not less than 300 m.
View termAdvanced ATC
การเข้าทางไอแอลเอสหมวด IIIA
ILS precision approach with decision height below 100 ft and RVR not less than 200 m; autopilot or HUD guidance required.
View termAdvanced ATC
การเข้าทางไอแอลเอสหมวด IIIB
ILS precision autoland with no decision height or below 50 ft and RVR as low as 75 m, requiring fail-operational capability.
View termAdvanced ATC
เฮดอัพดิสเพลย์
Transparent cockpit display showing critical flight data within the pilot’s forward field of view, reducing the need to look down at instruments.
View termAdvanced ATC
ระยะมองเห็นรันเวย์เจ็ดสิบห้าเมตร
Reported horizontal distance a pilot can see runway markings or lights, measured at 75 metres for CAT IIIB minima.
View termAdvanced ATC
ระบบลงจอดอัตโนมัติ
Integrated avionics that guides aircraft from glide-slope capture through flare and rollout without pilot control inputs.
View termAdvanced ATC
โหมดออโต้แลนด์ fail-passive
Autoland configuration where a single failure causes autopilot disengage but leaves aircraft in trim, allowing manual landing continuation.
View termAdvanced ATC
โหมดออโต้แลนด์ fail-operational
Autoland logic able to complete flare, touchdown and rollout after any single-component failure below alert height.
View termAdvanced ATC
สถานะระบบลงจอด
Cockpit annunciation indicating availability and health of localizer, glide-slope and autoland monitoring channels.
View termAdvanced ATC
การป้องกัน alpha-floor
Autothrust safeguard that commands maximum thrust if angle-of-attack approaches stall, preventing loss of lift.
View termAdvanced ATC
การป้องกัน beta-target
Flight-laws function holding safe sideslip target during engine-out or crosswind approach to maintain directional control.
View termWhy this site exists
Editorial methodology
The site is published as a lightweight static reference for generative engine optimization, traditional SEO and fast bot crawling. There is no client-side rendering and no JavaScript dependency for core content.
Definitions and phraseology references are sourced from ICAO Doc 9432 and the FAA Pilot/Controller Glossary, then organized into crawlable HTML pages for aviation professionals, students and exam candidates.
MethodologyProtermify ecosystem
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Protermify Aviation is part of the broader Protermify professional English ecosystem. For the multi-industry learning platform, visit Protermify. For mobile study, use the official Termify iOS app by Emre BIRINCI.