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 (0) Engine (10) Prop (0) Misc (0)
Confirmed (10)
Your configuration matches every non-null target field in the parsed clause.
Airworthiness Directives; Allison 250 Series Turbine Engines
Effective: Sep 26, 1996
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-B15G; Rolls-Royce Corporation / 250-B17F; Rolls-Royce Corporation / 250-B17F/1; Rolls-Royce Corporation / 250-B17F/2; Rolls-Royce Corporation / 250-C20 (and 5 more)
ALLISON Model 250-C20S Engines
Effective: Feb 22, 1994
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20S".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-C20S
ALLISON GAS TURBINE DIVISION, GENERAL MOTORS CORPORATION (ALLISON) Model 250-B17, -C20, -C20R, and -C30 Series Engines
Effective: Mar 1, 1989
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-B17; Rolls-Royce Corporation / 250-B17B; Rolls-Royce Corporation / 250-B17C; Rolls-Royce Corporation / 250-B17D; Rolls-Royce Corporation / 250-B17E (and 5 more)
ALLISON GAS TURBINE OPERATIONS/DETROIT DIESEL ALLISON (ALLISON) Model 250-C20, -C20B, -C20C (T63- A720), -C20F, -B17, -B17B, -B17C, and -B17D Engines
Effective: Feb 28, 1984
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-B17; Rolls-Royce Corporation / 250-B17B; Rolls-Royce Corporation / 250-B17C; Rolls-Royce Corporation / 250-B17D; Rolls-Royce Corporation / 250-C20 (and 3 more)
DETROIT DIESEL ALLISON Models 250-C20 and -C20B Engines
Effective: Jul 1, 1982
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-C20; Rolls-Royce Corporation / 250-C20B
DETROIT DIESEL ALLISON Model 250-B17, 250-B17B, 250-B17C, 250-C20, 250-C20B, and 250-C20C (MIL. T63-A-720) Engines
Effective: Jun 3, 1981
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-B17; Rolls-Royce Corporation / 250-B17B; Rolls-Royce Corporation / 250-B17C; Rolls-Royce Corporation / 250-C20; Rolls-Royce Corporation / 250-C20B (and 1 more)
DETROIT DIESEL ALLISON Model 250-C18/250-C18A/250-C18B/250-C18C/250-C20, and 250-C20B Engines
Effective: Oct 24, 1979
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-C18; Rolls-Royce Corporation / 250-C18A; Rolls-Royce Corporation / 250-C18B; Rolls-Royce Corporation / 250-C18C; Rolls-Royce Corporation / 250-C20 (and 1 more)
DETROIT DIESEL ALLISON Model 250-C20, C20B, C20C, B17, B17B Engines
Effective: Jul 18, 1977
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-B17; Rolls-Royce Corporation / 250-B17B; Rolls-Royce Corporation / 250-C20; Rolls-Royce Corporation / 250-C20B; Rolls-Royce Corporation / 250-C20C (T63-A-720)
DETROIT DIESEL ALLISON Model 250-C20 Engines
Effective: Jul 10, 1974
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-C20
DETROIT DIESEL ALLISON Model 250-C20 Engine
Effective: Sep 14, 1973
Match reasoning:
Make + model match "Rolls-Royce Corporation" / "250-C20".
Clause text
Per source metadata: Rolls-Royce Corporation / 250-C20
Get notified when a new AD applies
Free during beta. We'll email you the moment a new Airworthiness Directive is published that matches
Rolls-Royce Corporation 250-C20. 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.