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 2005-05-18

Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W Turboprop and Turboshaft Engines

Federal Register document 05-9660

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.