FEDERAL AVIATION AGENCY
Washington, D. C. 20553
In Reply
Refer to: FS-102
August 28, 1964
Mr. Leon H. Tanguay
Director, Bureau of Safety
Civil Aeronautics Board
Washington, D. C. 20428
Dear Mr. Tanguay:
This is to acknowledge your letter of August 21, 1964, reference B-80-96, regarding the status of the actions concerning flight recorder improvements.
Your recommendations that the Airworthiness Directive include reference to all modifications as an acceptable means of compliance for the Fairchild Model 5424 recorder as well as the UDC Model F-542, inasmuch as the designs are comparable, is being considered and we will advise you further on this matter.
Sincerely yours,
/s/ James F. Randolph
For
George S. Moore
Director
Flight Standards Service
