- Effective
- January 7, 1980
- Models
- S-50A, S-55A, S-60A
- Data sheet
- TCDSA15CE
- Registered aircraft
- 208 matched by model
- Product
- Aircraft · Balloon
- Amendment
- 39-3648
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 |
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| FAA DRS HTML | 20 KB | 83f6f6aa…b175355 | FAA DRS (API key needed) |
On this page
The airworthiness directive
80-01-03 RAVEN INDUSTRIES, INC.: Amendment 39-3648. Applies to model S-50A, serial no. S50A-275, model S-55A, serial nos. S-55A-330 to S-55A-624, and model S-60A, serial nos. S-60A-102 to S-60A-138 hot air balloons certificated in all categories which have installed the parachute top vent.
Compliance required before further flight unless already accomplished.
To allow proper release of the parachute top, accomplish the following or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Rocky Mountain Region:
Remove all but the middle 1 inch of the length of the "Velcro" tape "hooks" on each of the 24 4-inch long tapes found on the envelope by use of a razorblade or sharp knife.
Raven Service Bulletin No. 111 dated December 19, 1979, covers this same subject.
This amendment becomes effective January 7, 1980
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 208
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1972 | 3 |
|---|---|
| 1973 | 2 |
| 1974 | 4 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 4 |
| 1978 | 5 |
| 1979 | 4 |
| 1980 | 5 |
| 1981 | 7 |
| 1982 | 8 |
| 1983 | 7 |
| 1984 | 8 |
| 1985 | 5 |
| 1986 | 11 |
| 1987 | 9 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 4 |
| 1994 | 5 |
| 1995 | 7 |
| 1996 | 7 |
| 1997 | 4 |
| 1998 | 6 |
| 1999 | 3 |
| 2000 | 5 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 1 |
| 2007 | 1 |
58 with no year recorded