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Safety Recommendation Details

Safety Recommendation A-90-152
Details
Synopsis: ON JULY 19, 1989, A MCDONNELL DOUGLAS DC-10-10, OPERATED BY UNITED AIRLINES AS FLIGHT 232, EN ROUTE FROM DENVER, COLORADO, TO CHICAGO, ILLINOIS, WITH 296 PERSONS ON BOARD, EXPERIENCED AN IN-FLIGHT EMERGENCY FOLLOWING THE FRAGMENTATION AND SEPARATION OF THE NO. 2 ENGINE FAN DISK. THE AIRPLANE CRASHED DURING AN ATTEMPTED EMERGENCY LANDING TO RUNWAY 4/22 AT SIOUX GATEWAY AIRPORT (SUX) SIOUX CITY, IOWA. DURING THE ACCIDENT, THE AIRPLANE SEPARATED INTO FOUR SECTIONS AND PORTIONS BURNED. OF THE 296 PERSONS ON BOARD, 110 PASSENGERS AND 1 FLIGHT ATTENDANT WERE FATALLY INJURED: 35 OF THESE PERSONS, SOME WITH TRAUMATIC BLUNT FORCE INJURIES, DIED OF ASPHYXIA SECONDARY TO SMOKE INHALATION, AND 76 DIED OF BLUNT FORCE TRAUMA. OF THE REMAINING 185 PERSONS, 47 SUSTAINED SERIOUS INJURIES, 125 SUSTAINED MINOR INJURIES, AND 13 WERE NOT INJURED.
Recommendation: THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: AMEND 14 CFR 139 TO REQUIRE AIRPORT OPERATORS TO PERFORM MAXIMUM CAPACITY DISCHARGE TESTS OF ALL EMERGENCY RESPONSE FIRE FIGHTING AND WATER SUPPLY VEHICLES BEFORE THE VEHICLES ARE ACCEPTED FOR SERVICE AND ON A REGULARY SCHEDULED BASIS THEREAFTER.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: SIOUX CITY, IA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA89MA063
Accident Reports: United Airlines Flight 232 McDonnell Douglas DC-10-10‚Äč
Report #: AAR-90-06
Accident Date: 7/19/1989
Issue Date: 10/19/1990
Date Closed: 7/15/1991
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 7/15/1991
Response:

From: FAA
To: NTSB
Date: 3/8/1991
Response: THE AIRCRAFT RESCUE AND FIREFIGHTING VEHICLES REQUIRED BY 14 CFR PART 139 HAVE BEEN REQUIRED TO DEMONSTRATE THE ABILITY TO MEET THE PERFORMANCE CRITERIA OF AN FAA-APPROVED SPECIFI CATION UPON DELIVERY. ONCE THESE VEHICLE HAVE BEEN ACCEPTED AND PUT INTO SERVICE, CHECKS OF THE DISCHARGE SYSTEM ARE ALSO REQUIRED BY SECTION 139.319, PARAGRAPH (I) (2). THE RECENTLY APPROVED AC 150/5220-10A INCLUDES REVISED AIRCRAFT RESCUE AND FIREFIGHTING VEHICLE GUIDE SPECIFICATIONS AND STRENGTHENS A BROAD SPECTRUM OF ACCEPTANCE TEST REQUIRE MENTS.

From: FAA
To: NTSB
Date: 1/9/1991
Response: THE FAA IS IN THE PROCESS OF REVIEWING THESE RECS. I WILL APPRISE THE BOARD OF THE FAA'S COURSE OF ACTION WHEN COMPLETED.