- Author
- U.S. Department of Transportation
- Title
- Airworthiness Directives; Cessna T310, 320, 340, 401, 402, 41, 414 and 421 Series Airplanes.
- Coporate
- Department of Transportation, Washington, DC
- Journal
- Federal Register, Vol. 40, No. 51, 11861-11862, Friday, March 14, 1975
- Keywords
- airworthiness | exhaust systems