Regulatory publication source observations

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

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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 1999-11-19

Airworthiness Directives; AlliedSignal, Instrument Landing System Navigation Receivers, as Installed in, but Not Limited to, Airbus Model A300 Series Airplanes and Boeing Model 747-100, -100B, -100B SUD, - 200B, -200F, -200C, -300, 747SR, and 747SP Series Airplanes

Federal Register document 99-29739

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.