AD Lookup by Aircraft Configuration
Enter your tail number below. We'll pull your aircraft's make, model, serial, and engine from the FAA registry and find applicable ADs.
Need to search without a tail number? Use Advanced search .
WARNING: Airworthiness Directive applicability may depend on your specific aircraft configuration,
including installed engines, propellers, and appliances. Results shown here may be incomplete if your full
configuration is not specified. Always consult official FAA sources and your A&P mechanic or IA for
definitive compliance determinations.
Parser coverage is imperfect. "Possible" results require manual verification of the applicability section.
Evaluated 10 candidate ADs: 10 confirmed, 0 possible, 0 excluded.
Engine model not supplied — engine-constrained ADs surface as "possible". Propeller model not supplied — prop-constrained ADs surface as "possible".
Filter by category:
All (10) Airframe (10) Engine (0) Prop (0) Misc (0)
Confirmed (10)
Your configuration matches every non-null target field in the parsed clause.
Airworthiness Directives; Hiller Aircraft Corporation Model UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters
Effective: Nov 12, 1997
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E
Airworthiness Directives; Hiller Aircraft Corporation Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H-23A, H-23B, H-23C, H-23D, H-23F, HTE-1, HTE-2, and OH-23G Helicopters
Effective: Jun 27, 1997
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 1 more)
Airworthiness Directives; HILLER AVIATION Models UH-12D, UH-12E, UH12E 4 Place, OH-23G and H-23F, Series Helicopters
Effective: Dec 29, 1983
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 4 more)
Airworthiness Directives; HILLER AVIATION Model UH-12 Series Helicopters
Effective: Sep 10, 1981
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 4 more)
Airworthiness Directives; HILLER AIRCRAFT Model UH-12 Series Helicopters
Effective: Aug 24, 1981
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 4 more)
Airworthiness Directives; Hiller Models UH-12C, UH-12D, UH-12E, UH-12L, UH-12E-L, and UH-12L4 Helicopters
Effective: Jan 6, 1978
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L4; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E (and 1 more)
Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters
Effective: Oct 30, 1973
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 2 more)
Airworthiness Directives; Fairchild Hiller Model UH-12 Helicopters
Effective: Dec 14, 1971
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 4 more)
Airworthiness Directives; Hiller Model UH-12, -12A, -12B, -12C, -12D, -12E Series Helicopters
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 1 more)
Airworthiness Directives; Hiller Models UH-12, UH-12A, UH-12B, UH-12C, and UH-12D Series Helicopters
Match reasoning:
Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12C".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12A; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12B; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12C; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D (and 1 more)
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