- Effective
- June 5, 1969
- Published
- June 3, 1969
- Issued
- May 22, 1969
- Models
- PA-31, PA-31-300
- Data sheet
- TCDSA20SO
- Registered aircraft
- 29 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-772
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed November 21, 2025.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | 7c0510ab…df89526 | FAA DRS (API key needed) |
On this page
The airworthiness directive
69-11-05 PIPER: Amdt. 39-772. Applies to type PA-31 and PA-31-300 airplanes, Serial Numbers 31-2, 31-4; 31-6 thru 31-345; 31-347 thru 31-357; 31-359 thru 31-366; 31-368 thru 31- 373; 31-375 thru 31-378; 31-380 thru 31-384; 31-386 thru 31-406; 31-408 thru 31-422; 31-426 thru 31-428; 31-430; 31-431; 31-433; 31-434; 31-436; 31-437; 31-439; 31-444 and 31-445; certificated in all categories.
Compliance required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.
(a) To improve the stall characteristics by the installation of stall strips on the leading edge of the wing, comply with Piper Service Bulletin No. 294, dated May 16, 1969, or equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(b) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
This amendment is effective June 5, 1969.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 29
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 6 |
|---|---|
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1977 | 2 |
| 1978 | 5 |
7 with no year recorded