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Safety Recommendation Details

Safety Recommendation A-72-217
Details
Synopsis: ON AUGUST 24, 1972, THE NATIONAL TRANSPORTATION SAFETY BOARD COMPLETED A PUBLIC HEARING ON THE DELTA AIR LINES, INC., DC-9-14, N3305L, ACCIDENT WHICH OCCURRED AT FORT WORTH, TEXAS, ON MAY 30, 1972.
Recommendation: PENDING THE DEVELOPMENT OF THE STANDARDS REFERRED TO IN RECOMMENDATION 4, ABOVE, INSTRUCT CONTROLLERS TO INCREASE SEPARATION TIMES OF CONTROLLED AIRCRAFT TO AT LEAST 3 MINUTES WHENEVER THE METEOROLOGICAL CONDITIONS DEFINED UNDER RECOMMENDATION 2, ABOVE, EXIST.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Unacceptable Action
Mode: Aviation
Location: Fort Worth, TX, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: 79669
Accident Reports: Delta Air Lines, Inc., McDonnell Douglas DC-9-14, N3305L
Report #: AAR-73-03
Accident Date: 5/30/1972
Issue Date: 12/20/1972
Date Closed: 11/27/1974
Addressee(s) and Addressee Status: FAA (Closed - Unacceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 10/31/1974
Response: Closed--Unacceptable Action.

From: FAA
To: NTSB
Date: 2/9/1973
Response: THE PROCEDURE OF PROVIDING 3-MILE RADAR SEPARATION OF AIRCRAFT FOLLOWING OTHER HEAVY JETS USED FOR MORE THAN 20 YEARS HAS RESULTED IN NO KNOWN WAKE TURBULENCE ACCIDENTS. THE FAA KNOWS OF NO WAKE TURBULENCE ACCIDENTS WHEN THE PILOT WAS ADHERING TO RECOMMEND WAKE TURBULENCE PROCEDURES.