- Effective
- December 15, 1984
- Model
- SD3-60
- Registered aircraft
- 26 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-4950
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 May 30, 2024.
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 | ee6bc640…b5177de | FAA DRS (API key needed) |
On this page
The airworthiness directive
84-23-07 SHORT BROTHERS LTD.: Amendment 39-4950. Applies to Model SD3-60 airplanes as listed in Short Brothers Service Bulletin SD360-71-05, dated March 1984, certificated in all categories. Compliance is required as indicated unless previously accomplished. To prevent icing of the oil cooler air intake scoop, accomplish the following:
A. Within 60 days after the effective date of this airworthiness directive (AD), install the "D" type oil cooler air intake scoop on both intake cowls in accordance with Short Brothers Ltd. Service Bulletin SD360-71-05, dated March 1984.
B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.
This amendment becomes effective December 15, 1984.
Registered aircraft · 26
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1982 | 1 |
|---|---|
| 1983 | 2 |
| 1984 | 1 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 5 |
| 1989 | 4 |
8 with no year recorded