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Safety Recommendation Details

Safety Recommendation A-72-073
Details
Synopsis: THIS STUDY EXAMINES THE CONDITION AND CIRCUMSTANCES WHICH DETERMINED THE OUTCOME OF THE DITCHING OF A DC-9 AIRCRAFT IN REGARD TO THE SURVIVAL AND NONSURVIVAL OF THE OCCUPANTS. IT WAS FOUND THAT THE PASSENGERS WERE PREPARED INADEQUATELY FOR THE DITCHING DUE TO A COMBINATION OF FACTORS INCLUDING INSUFFICIENT PREPARATION TIME, INADEQUATE BRIEFINGS, INSUFFICIENT TRAINING AND THE LACK OF PROPER CREW COORDINATION. IT WAS ESTIMATED THAT DECELERATIVE FORCES WERE INTHE ORDER OF 8 TO 12 G'S, CAUSING UNRESTRAINED OCCUPANTS TO BE THROWN FORWARD, INDUCING SEAT FAILURES AND SPINAL INJURIES. THE CAUSE OF SEATS, SEATBELT, AND GALLEY EQUIPMENT FAILURES WERE ANALYZED. IT WAS ESTIMATED THAT THE AIRCRAFT REMAINED AFLOAT FOR 5 TO 6 MINUTES. THE FACT THAT A LIFERAFT INFLATED INSIDE THE AIRCRAFT WAS ATTRIBUTED TO IMPINGEMENT OF THE RAFT PACKAGE BY THE GALLEY STRUCTURE, FORCING THE CREWMEMBERS OUT OF THE AIRCRAFT. LEADERSHIP OF THE CREW WHILE AWAITING RESCUE AND AN INFLATED EMERGENCY ESCAPE SLIDE MINIMIZED FURTHER LOSS OF LIFE. RECOMMENDATIONS WERE ADVANCED DEALING WITH INCREASED TRAINING FOR CREWMEMBERS, BETTER PASSENGER COMMUNICATION TECHNIQUES, INCREASED STRENGTH REQUIREMENTS FOR SEATS,SEATBELTS, AND GALLEY EQUIPMENT AND THE DEVELOPMENT OF SLIDE RAFT COMBINATIONS AND LIFEVEST DESIGN. TWENTY REFERENCES ARE INCLUDED.
Recommendation: ALL AIR CARRIERS MAKE A CRITICAL REVIEW OF THEIR CREW TRAINING PRACTICES AND MATERIALS WITH A VIEW TOWARD EXPANDING THEIR TRAINING IN THE AREAS OF CRASH SURVIVAL AND CREW LEADERSHIP AND ENSURING ADEQUATE RETENTION OF SUCH KNOWLEDGE.
Original recommendation transmittal letter: PDF
Overall Status: Closed--No Longer Applicable
Mode: Aviation
Location: St. Croix, Virgin Islands
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA70AZ007
Accident Reports: Overseas National Airways, Inc., Douglas DC-9. Operating as Antilliaanse Lucht- vaart Moatschappij Flight 980
Report #: AAS-72-02
Accident Date: 5/2/1970
Issue Date: 4/5/1972
Date Closed: 6/4/1975
Addressee(s) and Addressee Status: FAA (Closed--No Longer Applicable)
Keyword(s): Evacuation, Training and Education

Safety Recommendation History
From: FAA
To: NTSB
Date: 7/20/1972
Response: WE HAVE HAD NO RESPONSE FROM THE AIRLINES SINCE THE INITIAL ISSUANCEOF THE RECOMMENDATION ON 6/28/72. THERE ARE NO INDICATIONS THAT THE AIRLINES WILL RESPOND.