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 2007-02-16

Airworthiness Directives; Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes

Federal Register document E7-2640

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.