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.

We'll look up your aircraft's make, model, serial, and engine from the FAA registry automatically.

Advanced search — enter details manually
Reset

Evaluated 15 candidate ADs: 15 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:
Confirmed (15) Your configuration matches every non-null target field in the parsed clause.

AD 90-15-01

Confirmed

Airworthiness Directives; ROGERSON HILLER CORPORATION (HILLER, FAIRCHILD HILLER) Model UH-12E, UH-12E-L, UH-12L, and UH-12L4 Series Helicopters

Effective: Mar 7, 1991

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L4; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 83-25-02

Confirmed

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-12L".
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)

AD 82-16-07

Confirmed

Airworthiness Directives; HILLER AVIATION Model UH-12E, UH-12L, OH-23F and G Series Helicopters

Effective: Oct 15, 1982

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L4; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 82-13-04 R1

Confirmed

Airworthiness Directives; HILLER AVIATION Model UH-12E and UH-12L Series Helicopters

Effective: Sep 13, 1982

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L4; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 82-15-02

Confirmed

Airworthiness Directives; HILLER AVIATION Model UH-12D, UH- 12E, UH-12E4, UH-12E-L, UH-12L and UH-12L4 Series Helicopters

Effective: Jul 16, 1982

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: 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; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 81-18-02

Confirmed

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-12L".
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)

AD 81-17-03

Confirmed

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-12L".
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)

AD 81-04-01

Confirmed

Airworthiness Directives; HILLER AIRCRAFT Models UH-12D, UH-12E, OH-23G, UH-12L Helicopters

Effective: Feb 9, 1981

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12D; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E

AD 77-24-03

Confirmed

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-12L".
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)

AD 75-10-01

Confirmed

Airworthiness Directives; Hiller Models UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

Effective: May 8, 1975

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: 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; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 72-13-08

Confirmed

Airworthiness Directives: Fairchild Hiller Models UH-12L, UH-12L4 and UH-12E-L Helicopters

Effective: Oct 19, 1972

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12L4; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 71-25-08

Confirmed

Airworthiness Directives; Fairchild Hiller Model UH-12 Helicopters

Effective: Dec 14, 1971

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
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)

AD 69-13-07

Confirmed

Airworthiness Directives; Fairchild Hiller Models UH-12D, UH-12E, UH-12E-L, UH-12L and UH-12L4 Helicopters

Effective: Apr 30, 1970

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: 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; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 69-08-08

Confirmed

Airworthiness Directives; Fairchild-Hiller Models UH-12D, UH-12E, UH-12E-L, UH-12L and UH-12L4 Helicopters

Effective: Apr 23, 1969

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: 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; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

AD 66-22-04

Confirmed

Airworthiness Directives; Hiller Models UH-12D, UH-12E, UH-12E-L, UH-12L, and UH-12L4 Helicopters

Effective: Sep 2, 1966

Match reasoning:
  • Make + model match "Hiller Aviation | Siam Hiller Holdings, Inc." / "UH-12L".
Clause text
Per source metadata: 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; Hiller Aviation | Siam Hiller Holdings, Inc. / UH-12E-L

Get notified when a new AD applies

Free during beta. We'll email you the moment a new Airworthiness Directive is published that matches Hiller Aviation | Siam Hiller Holdings, Inc. UH-12L. One email per AD. No spam, no third-party sharing.

Beta status: collecting waitlist while we wire up email delivery. You'll get one email when alerts go live — we'll honor first-100 signups with a permanent free tier.