Regulatory publication source observations

Explore historical FAA publications.

Explore exact source observations across the pinned 12,951-publication collection. Unclassified wording and source gaps remain unknown.

Find publication source observations

Exact labels preserve the printed source wording, case and punctuation. Model lists use a strict supported grammar; other wording remains unclassified. Header and reference matches are historical source observations. This search does not compare installed equipment or resolve model identity.

Published 2000-04-20

Airworthiness Directives; Various Transport Category Airplanes Equipped with Mode “C” Transponder(s) with Single Gillham Code Altitude Input

Federal Register document 00-9247

Exact recorded source observation · Current requirements and aircraft applicability are evaluated separately.

Explore retained publication text and evidence · Search the separate FAA directive metadata catalog

Coverage and limits

These are dated publication metadata, recorded clauses and literal source observations. Word, model-label, header and reference matches do not establish current legal effect, manufacturer/model identity, aircraft applicability, installed configuration or compliance.

The collection uses 33 explicit annual source snapshots. Source captures and operative-text qualifications have separate states. Missing information remains unknown.