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Glossary
Pilot Gear terms, explained
Short, plain definitions of the words you'll see on product pages and spec sheets. Each one links to a guide when there's more to know.
A
- ADS-B In
- Equipment that receives traffic and weather broadcasts. Read the guide →
- ADS-B Out
- Installed equipment that broadcasts an aircraft's position. Read the guide →
- AHRS
- Attitude and heading reference system. Read the guide →
- ANR
- Active noise reduction, electronic cancellation of low-frequency noise. Read the guide →
E
- E6B
- A flight computer for time, speed, distance, fuel and wind calculations. Read the guide →
- EFB
- Electronic flight bag: a tablet with charts and planning apps. Read the guide →
F
- FIS-B
- Flight Information Service-Broadcast, free US weather data on 978 MHz. Read the guide →
G
- GA dual plug
- The two-plug headset connector used in most US light aircraft. Read the guide →
L
- LEMO
- A 6-pin headset connector that also supplies power for ANR. Read the guide →
N
- NRR
- Noise reduction rating, a measure of passive noise attenuation. Read the guide →
U
- U-174
- A single-plug headset connector used in helicopters. Read the guide →
