- Effective
- February 4, 1983
- Superseded by
- AD2008-03-01
- Models
- DHC-6-1, DHC-6-100, DHC-6-200, DHC-6-300
- Data sheet
- TCDSA9EA
- Registered aircraft
- 88 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-4553
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 August 7, 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 | ce401570…55790ea | FAA DRS (API key needed) |
On this page
The airworthiness directive
83-02-02 DEHAVILLAND: Amendment 39-4553. Applies to DHC-6 Models 1, 100, 200, and 300 (all serial numbers) airplanes certificated in any category.
COMPLIANCE: Required on or before May 1, 1983, unless already accomplished.
To prevent catastrophic failure of the wing, wing carry through, and attaching structure, accomplish the following:
a) Modify and replace the structural components listed in DeHavilland Structural Components Service Life Limits Manual PSM 1-6-11, Revision 2, approved by DOT Canada August 29, 1978 in accordance with the respective schedules listed therein.
b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
c) An equivalent method of compliance with this AD may be used when approved by the Manager, New York Aircraft Certification Office, Federal Aviation Administration, ANE- I70, 181 South Franklin Avenue, Room 202, Valley Stream, New York 11581.
This amendment becomes effective on February 4, 1983.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 88
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1966 | 1 |
|---|---|
| 1967 | 5 |
| 1968 | 7 |
| 1969 | 11 |
| 1970 | 2 |
| 1971 | 1 |
| 1973 | 3 |
| 1974 | 6 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 6 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 5 |
| 1981 | 3 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 2 |
25 with no year recorded