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Safety Recommendation Details

Safety Recommendation A-90-130
Details
Synopsis: ON 9/8/89 N283AU, A BOEING 727-200 OPERATED AS USAIR FLIGHT 105 WAS A REGULARLY SCHEDULED REVENUE PASSENGER FLIGHT CONDUCTED UNDER 14 CODE OF FEDERAL REGULATIONS PART 121 FROM PITTSBURGH, PENNSYLVANIA (PIT), TO WICHITA, KANSAS, WITH AN EN ROUTE STOP IN KANSAS CITY, MISSOURI (MCI). FIFTY-EIGHT PASSENGERS, TWO FLIGHT CREWMEMBERS AND FOUR FLIGHT ATTENDANTS WERE ONBOARD. A FEDERAL AVIATION ADMINISTRATION INSPECTOR WHO WAS PERFORMING AN EN ROUTE INSPECTION OCCUPIED THE COCKPIT OBSERVER'S SEAT. THE FLIGHT FROM PITTSBURGH TO THE KANSAS CITY AREA WAS UNEVENTFUL. THE CAPTAIN WAS THE PILOT FLYING AND THE FIRST OFFICER WAS PERFORMING THE COMMUNICATIONS WITH AIR TRAFFIC CONTROL. USAIR 105 WAS CLEARED TO EXECUTE THE LOCALIZER BACK COURSE APPROACH TO RUNWAY 27 AT 2129:41. AT 2134:34, THE LOCAL CONTROLLER TOLD USAIR 105 "I" CAN'T TELL FOR SURE BUT IT APPEARS WE HAVE LOST THE LIGHTING ON THE SOUTH SIDE OF THE AIRPORT." THE FLIGHTCREW LATER DESCRIBED SEEING A BRIGHT FLASH ABOUT THIS TIME. SUBSEQUENT INSPECTION REVEALED THAT THE AIRPLANE STRUCK AND SEVERED FOUR ELECTRONIC TRANSMISSION CABLES, LOCATED ABOUT 75 FEET ABOVE THE GROUND, APPROXIMATELY 7,000 FEET EAST OF THE RUNWAY 27 THRESHOLD. THE FLIGHTCREW EXECUTED A MISSED APPROACH AND LANDED UNEVENTFULLY IN SALINA, KANSAS.
Recommendation: THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: PROVIDE SITE ADAPTATION GUIDANCE TO ENCOURAGE MODIFICATION OF MINIMUM SAFE ALTITUDE WARNING PARAMETERS, AS APPROPRIATE, TO MINIMIZE THE EXTENT OF INHIBIT AREAS.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: KANSAS CITY, MO, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA89IA071
Accident Reports: USAIR Flight 105 Boeing 737-200, N283AU
Report #: AAR-90-04
Accident Date: 9/8/1989
Issue Date: 9/28/1990
Date Closed: 1/28/1994
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 1/28/1994
Response: THE BOARD NOTE THAT THE FAA HAS ISSUED A CHANGE TO ORDER 7210.3K, "FACILITY OPERATION AND ADMINISTRATION," THAT PROVIDE SITE ADAPTATION GUIDANCE TO MINIMIZE THE EXTENT OF MINIMUM SAFE ALTITUDE WARNING INHIBIT AREAS. BASED ON THIS INFORMATION, THE BOARD CLASSIFIES RECOMMENDATION A-90-130 "CLOSED--ACCEPTABLE ACTION."

From: FAA
To: NTSB
Date: 10/6/1993
Response: THE FAA ISSUED A CHANGE TO ORDER 7210. 3K, FACILITY OPERATION AND ADMINISTRATION, TO PROVIDE SITE ADAPTATION GUIDANCE TO MINIMIZE THE EXTENT TO MINIMUM SAFE ALTITUDE WARNING INHIBIT AREAS. I BELIEVE THAT THIS CHANGE ADDRESSES THIS RECOMMENDATION, AND I CONSIDER THE FAA'S ACTION TO BE COMPLETED.

From: NTSB
To: FAA
Date: 7/11/1991
Response: Safety Recommendation A-90-130 states that the FAA should provide site adaptation guidance to encourage modification of Minimum Safe Altitude Warning parameters, as appropriate, to minimize the extent of inhibit areas. The Safety Board notes that the FAA is evaluating the possibility of modifying the minimum safe altitude inhibit parameters at selected facilities. Pending further information, Safety Recommendation A-90-130 is classified as "Open--Acceptable Response."

From: FAA
To: NTSB
Date: 12/18/1990
Response: THE FAA IS EVALUATING THE POSSIBILITY OF MODIFYING THE MINIMUM SAFE ALTITUDE INHIBIT PARAMETER AT SELECTED FACILITIES. I WILL APPRISE THE BOARD OF THE FAA'S COURSE OF ACTION AS SOON AS THE EVALUATION IS COMPLETED.