- Models
- DC-6, DC-6A, DC-6B
- Registered aircraft
- 17 matched by model
- Product
- Aircraft · Large airplane
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 | 19 KB | d92e7dce…2165f2b | FAA DRS (API key needed) |
On this page
The airworthiness directive
50-16-01 DOUGLAS: Applies to All Model DC-6 Airplanes Below Serial Number 43149.
Compliance required as soon as possible but in any event not later than January 1, 1951.
1. Conduct electrical and mechanical functional check of propeller reverse mechanism, throttle system.
2. (a) Rework fish mouth in the 2345735 throttle latch assembly to assure a more positive lock.
(b) Rotate the 2333338 arm-throttle reverse 20 degrees clockwise on the shaft of the 4333339 lock assembly or replace with new 2333338 "F" change parts.
(Douglas General Service Letters DC-6 No. 19, dated November 18, 1949, and DC-6 No. 23, dated January 20, 1950, cover the above two items.)
Affected TCDS · 3
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 17
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1953 | 1 |
|---|---|
| 1954 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 1 |
6 with no year recorded