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Safety Recommendation Details

Safety Recommendation A-90-155
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: REQUIRE ANNUAL AIRPORT CERTIFICATION INSPECTIONS TO INCLUDE EXAMINATIONS OF AIRFIELD TERRAIN TO ENSURE, WHERE PRACTICABLE, THAT SURFACE OBSTRUCTIONS, INCLUDING AGRICULTURAL CROPS, DO NOT INTERFERE WITH RESCUE AND FIRE FIGHTING ACTIVITIES.
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: 3/15/1993
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 3/15/1993
Response: THE BOARD NOTES THE ADOPTION OF THE FAA'S CENTRAL REGION GUIDELINES FOR AGRICULTURAL LEASES ON AIRPORTS AS THE AGENCY-WIDE POLICY ON THIS ISSUE. THESE GUIDELINES RESTRICT THE GROWTH OF AGRICULTURAL CROPS TO AREAS OUTSIDE THE RUNWAY OBJECT-FREE AREA. BASED ON THIS ACTION & THOSE PREVIOUSLY TAKEN, THE BOARD CLASSIFIES RECOMMENDATION A-90-155 "CLOSED--ACCEPTABLE ACTION."

From: FAA
To: NTSB
Date: 1/4/1993
Response: THE FAA AGREES THE INTENT OF THIS SAFETY RECOMMENDATION AND HAS ADOPTED THE CENTRAL REGION'S GUIDELINES FOR AGRICULTURAL LEASES ON AIRPORTS AS THE AGENCY'S POLICY ON THIS ISSUE. A COPY OF THESE GUIDELINES IS AVAILABLE FOR THE BOARD'S INFORMATION. THESE GUIDELINES RESTRICT THE GROWTH OF AGRICULTURAL CROPS TO AREAS OUTSIDE THE RUNWAY OBJECT-FREE AREA. THIS RESTRICTION WAS BASED ON A REVIEW OF THE SAFETY BOARD'S DOCKETS OF COMMERCIAL AIRCRAFT ACCIDENTS/INCIDENTS THAT OCCURRED DURING APPROACH, LANDING, OR TAKEOFF OVER A 10-YEAR PERIOD. THE REVIEW INDICATED THT OVER 90 PERCENT OF THE AIRCRAFT INVOLVED CAME TO REST WITHIN THE RUNWAY SAFETY AREA. THE RUNWAY SAFETY AREA IS ENCOMPASSED WITHIN THE OBJECT-FREE AREA.

From: NTSB
To: FAA
Date: 7/15/1991
Response:

From: FAA
To: NTSB
Date: 3/8/1991
Response: (SUMMARIZED) INSPECTORS WILL ENCOURAGE AIRPORT MANAGEMENT AND AIRCRAFT RESCUE AND FIREFIGHTING PERSONNEL TO THINK OF THE OPERATIONAL REQUIREMENTS THAT VARIOUS FIELD CONDITIONS AND CHARACTERISTICS OF THEIR AIRPORT IMPLY, AND, IN MANY CASES, IMPOSE. SINCE SECTION 139.319 (J)(2)(I) REQUIRES TRAINING IN AIRPORT FAMILIARIZATION, THIS ASPECT TO AIRCRAFT RESCUE AND FIREFIGHTING CAN BE ADDRESSED IN THE PRESENT CURRICULUM AND EMPHASIZED DURING AIRCRAFT RESCUE AND FIRE FIGHTING DRILLS AND PRACTICES.

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.