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Safety Recommendation Details

Safety Recommendation A-75-084
Details
Synopsis: ON MARCH 31, 1975, WESTERN AIR LINES, INC., FLIGHT 470 (A B-737) RAN OFF THE END OF RUNWAY 25 AFTER A BACK COURSE ILS APPROACH TO NATRONA COUNTY INTERNATIONAL AIRPORT, CASPER, WYOMING. THE NATIONAL TRANSPORTATION SAFETY BOARD'S INVESTIGATION OF THIS ACCIDENT REVEALED INADEQUACIES IN THE IMPLEMENTATION OF THE FEDERAL AVIATION REGULATIONS WHICH PERTAIN TO CREWMEMBER EMERGENCY TRAINING. SPECIFICALLY, THE SAFETY BOARD BELIEVES THAT THE PROVISIONS OF 14 CFR 121.417 (C), REGARDING CREWMEMBER EMERGENCY DRILLS IN THE OPERATION AND USE OF EXITS AND EVACUATION SLIDES, ARE NOT BEING ACCOMPLISHED ADEQUATELY BY SOME AIRLINES.
Recommendation: REQUIRE AIR CARRIERS TO COMPLY WITH THE PROVISIONS OF 14 CFR 121.417(C) (4) BY THE USE OF ACCURATE AND REALISTIC EQUIPMENT AND PROCEDURES WHICH ACCURATELY SIMULATE EMERGENCY CONDITIONS, INCLUDING THE FORCES INVOLVED IN OPENING EXITS IN THE EMERGENCY MODE; AND REQUIRE THAT DURING EACH FLIGHT ATTENDANT'S INITIAL AND RECURRENT TRAINING HE OPERATE EMERGENCY EXITS WHICH DUPLICATE THE FORCES ENCOUNTERED AND ACTIONS NECESSARY WHEN SUCH EXITS ARE OPENED IN THE EMERGENCY MODE.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Casper, WY, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DEN75AD050
Accident Reports: Western Air Lines, Inc., Boeing 737- 200, N4527W
Report #: AAR-75-15
Accident Date: 3/31/1975
Issue Date: 12/2/1976
Date Closed: 11/22/1983
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s): Evacuation, Training and Education

Safety Recommendation History
From: NTSB
To: FAA
Date: 11/22/1983
Response: Closed--acceptable action

From: FAA
To: NTSB
Date: 5/2/1978
Response: FAA LETTER: ORDER 8430.6A, AIR CARRIER OPERATIONS INSPECTOR'S HANDBOOK CHANGE 103 WAS ISSUED MARCH 1, 1976. THIS CHANGE CONTAINS AIR CARRIER OPERATIONS BULLETIN NO. 76-1. THIS PROVIDES THE INTERPRETATION OF FAR 121.417 AND SPECIFIES IN DETAIL THE REQUIREMENTS WHICH SHOULD BE INCORPORATED INTO AIR CARRIER EMERGENCY TRAINING PROGRAMS.

From: FAA
To: NTSB
Date: 2/2/1976
Response: FAA LTR: AIR CARRIER OPERATIONS BULLETIN 73-1 DATED 5/7/73 WILL BE REVISED TO REQUIRE: (1) REALISTIC TRAINING OF THE FORCE INVLOVED IN OPENING EXITS IN THE EMERGENCY MODE, (2) TRAINING PROCEDURES TO ACCURATELY SIMULATE EMERGENCY CONDITIONS, AND (3) RECURRENT TRAINING IN EMERGENCY EVACUATION WITH SLIDE PACK ATTACHED AND UNDER ADVERSE CIRCUMSTANCES.