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Safety Recommendation Details

Safety Recommendation A-70-051
Details
Synopsis: THE PITTSTON COMPANY'S AERO COMMANDER 1121, N236JP, ON A FLIGHT FROM LAGUARDIA AIRPORT, NEW YORK, TO TRI-CITY AIRPORT, JOHNSON CITY, TENNESSEE, ON THE NIGHT OF OCTOBER 31, 1969, CRASHED AT APPROXIMATELY 2210 E.S.T. WHILE DESCENDING ON A RADAR VECTOR TO THE FINAL APPROACH COURSE AT TRI-CITY. THE CREW OF TWO AND THE ONE PASSENGER ABOARD THE AIRCRAFT WERE FATALLY INJURED.
Recommendation: THE ADMINISTRATOR, FEDERAL AVIATION ADMINISTRATION, TAKE NECESSARY ACTION TO ASSURE THAT ALL AVIONICS MODIFICATIONS TO AIRCRAFT, AND THEIR PROPER USE, BE DOCUMENTED AS AMENDMENTS TO THE MAINTENANCE AND FLIGHT MANUALS AND THAT THIS INFORMATION BE DISSEMINATED TO AIRCRAFT OWNERS AND PILOTS.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Rural Retreat, VA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: IAD70A0028
Accident Reports: The Pittston Company Aero Commander 1121, N236JP
Report #: AAR-70-22
Accident Date: 10/31/1969
Issue Date: 10/7/1970
Date Closed: 1/1/1975
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: FAA
To: NTSB
Date: 10/14/1970
Response: 10/14/70 THE FAA STATED THEIR APPROVED FLIGHT MANUAL DOES INSTRUCT THE CREW TO LEAVE THE AC GENERATOR SWITCHES ON IN THE EVENT OF FAILURE OF ONE OF THE TWO AC GENERATORS. ALSO, AMENDMENT 25-21, EFFECTIVE FEB. 5, 1970, REQUIRES A MAINTENANCE MANUAL INCLUDING A DESCRIPTION OF THE ELECTRICAL SYSTEM AMONG OTHER THINGS. THIS REQUIREMENT, FAR 25.1529, WILL APPLY IN THE CASE OF STC MODIFICATIONS AS WELL AS ORIGINAL TYPE CERTIFICATION. THE FAA BELIEVES THIS ACCOMPLISHES THE INTENT OF THE BOARD'S RECOMMENDATION.NOTE: THE BOARD'S RECOMMENDATION DATED 11/5/70, NOT. 521, REC. NO. CY70-56 ALSO DEALS WITH THIS SUBJECT.