Definition
AUTOMATIC ALTITUDE REPORTING
That function of a transponder which responds to Mode C interrogations by transmitting the aircraft's altitude in 100‐foot increments.
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).
Where This Term Is Used
- 14 CFR § 91.411 — § 91.411 Altimeter system and altitude reporting equipment tests and inspections.
- 14 CFR § 91.215 — § 91.215 ATC transponder and altitude reporting equipment and use.
- 14 CFR § 91.217 — § 91.217 Data correspondence between automatically reported pressure altitude data and the pilot’s altitude reference.
- 14 CFR § 91.131 — § 91.131 Operations in Class B airspace.
4 sections reference this term in their FAR Decoded content.