Definition
TRANSPONDER
The airborne radar beacon receiver/transmitter portion of the Air Traffic Control Radar Beacon System (ATCRBS) which automatically receives radio signals from interrogators on the ground, and selectively replies with a specific reply pulse or pulse group only to those interrogations being received on the mode to which it is set to respond.
- See: ICAO term TRANSPONDER
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).
Where This Term Is Used
- 14 CFR § 91.413 — § 91.413 ATC transponder tests and inspections.
- 14 CFR § 91.215 — § 91.215 ATC transponder and altitude reporting equipment and use.
- 14 CFR § 91.411 — § 91.411 Altimeter system and altitude reporting equipment tests and inspections.
- 14 CFR § 91.217 — § 91.217 Data correspondence between automatically reported pressure altitude data and the pilot’s altitude reference.
- 14 CFR § 91.227 — § 91.227 Automatic Dependent Surveillance-Broadcast (ADS-B) Out equipment performance requirements.
- 14 CFR § 91.131 — § 91.131 Operations in Class B airspace.
- 14 CFR § 91.135 — § 91.135 Operations in Class A airspace.
7 sections reference this term in their FAR Decoded content.