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 6 candidate ADs: 6 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 (6) Airframe (0) Engine (0) Prop (6) Misc (0)
Confirmed (6)
Your configuration matches every non-null target field in the parsed clause.
DOWTY ROTOL, LTD Models (c)R130/4-20-4/12E, (c)R186/4-30-4/16, (c)R187/4-30-4/18,
(c)R193/4-30-4/50, (c)R184/4-30-4/50, (c)R259/4-40-4.5/17, (c)R148/4-20-4/21E, (c)R175/4-30-4/13E, (c)R179/4- 20-4/33, (c)R257/4-30-4/60, (c)R245/4-40-4.5/13, and (c)R209/4-40-4.5/2 Propellers
Effective: Jul 22, 1972
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R.209/4-40-4.5; Dowty Propellers / (c) R.245/4-40-4.5; Dowty Propellers / (c) R.259/4-40-4.5; Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R148/4-20-4/ (and 5 more)
DOWTY ROTOL applies to all propellers with blade root sizes Nos. 20 and 30
Effective: Mar 29, 1972
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R.284/3-20-3/; Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R141/4-20-4/; Dowty Propellers / (c) R147/4-20-4/; Dowty Propellers / (c) R148/4-20-4/ (and 5 more)
DOWTY ROTOL Models (c) R.130/4-20 - 4/12E, (c) R.148/4-20 - 4/21E, (c) R.186/4-30 - 4/16, and (c) R.175/4-30 - 4/13E Propellers
Effective: Dec 11, 1969
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R148/4-20-4/; Dowty Propellers / (c) R175/4-30-4/; Dowty Propellers / (c) R186/4-30-4/
DOWTY ROTOL Models (c) R.130/4-20-4/12E and (c) R.148/4-20-4/21E Propellers
Effective: Oct 6, 1969
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R148/4-20-4/
DOWTY-ROTOL PROPELLERS Models (c) R.186/4-30-4/16, (c) R.175/4-30-4/13E, (c) R.130/4-20-4/12E, and (c) R.148/4-20-4/21E Propellers
Effective: Apr 1, 1968
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R148/4-20-4/; Dowty Propellers / (c) R175/4-30-4/; Dowty Propellers / (c) R186/4-30-4/
DOWTY ROTOL Models (c) R175/4-30-4/13E, (c) R193/4-30-4/50, (c) R186/4-30-4/16, (c) R184/4-30-4/50, (c) R148/4-20-4/21E, (c) R130/4-20-4/12E, and R179/4-20-4/33 Propellers
Effective: Sep 13, 1966
Match reasoning:
Make + model match "Dowty Propellers" / "(c) R130/4-20-4/".
Clause text
Per source metadata: Dowty Propellers / (c) R130/4-20-4/; Dowty Propellers / (c) R148/4-20-4/; Dowty Propellers / (c) R175/4-30-4/; Dowty Propellers / (c) R179/4-20-4/; Dowty Propellers / (c) R184/4-30-4/ (and 2 more)
Get notified when a new AD applies
Free during beta. We'll email you the moment a new Airworthiness Directive is published that matches
Dowty Propellers (c) R130/4-20-4/. 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.