Skip Ribbon Commands
Skip to main content
Safety Recommendation Details

Safety Recommendation A-94-210
Details
Synopsis: ON JULY 2, 1994, ABOUT 1843 EASTERN DAYLIGHT TIME, AS DOUGLAS DC-9-31, N9554VJ, OPERATED BY USAIR, IN., AS FLIGHT 1016,CRASHED WHILE EXECUTING A MISSED APPROACH FOLLOWING AN INSTRUMENT LANDING SYSTEM APPROACH TO RUNWAY 18R AT CHARLOTTE/DOUGLAS INTERNATIONAL AIRPORT, CHARLOTTE, NORTH CAROLINA. THE CAPTAIN AND ONE FLIGHT ATTENDANT RECEIVED MINOR INJURIES; THE FIRST OFFICER, TWO FLIGHT ATTENDANTS, AND 18 PASSENGERS SUSTAINED SERIOUS INJURES; AND 37 PASSENGERS RECEIVED FATAL INJURIES. THE AIRPLANE WAS DESTROYED BY IMPACT FORCES AND A POSTCRASH FIRE. INSTRUMENT METEOROLOGICAL CONDITIONS PREVAILED, AND AN INSTRUMENT FLIGHT RULES FLIGHT PLAN HAD BEEN FILED. FLIGHT 1016 WAS BEING CONDUCTED UNDER THE PROVISIONS OF TITLE 14 CODE OF FEDERAL REGULATIONS (CFR) PART 121 AS A DOMESTIC, SCHEDULED PASSENGER SERVICE FLIGHT FROM COLUMBIA, SOUTH CAROLINA, TO CHARLOTTE.
Recommendation: THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: MODIFY TECHNICAL STANDARD ORDER C-117 TO ENSURE THAT WINDSHEAR WARNING SYSTEM UNDERGO TESTING WITH THE FLAPS IN TRANSITION BEFORE GRANTING CERTIFICATION.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: CHARLOTTE, NC, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA94MA065
Accident Reports: Flight into Terrain during Missed Approach USAir 1016, DC-9-31, N954VJ
Report #: AAR-95-03
Accident Date: 7/2/1994
Issue Date: 11/28/1994
Date Closed: 10/30/1996
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 10/30/1996
Response: A-94-210 ASKED THE FAA TO MODIFY TECHNICAL STANDARD ORDER (TSO) C-117 TO ENSURE THAT WINDSHEAR WARNING SYSTEM UNDERGO TESTING WITH THE FLAPS IN TRANSITION BEFORE GRANTING CERTIFICATION. ON 8/1/96, THE FAA ISSUED TSO C-117A, "AIRBORNE WINDSHEAR WARNING & ESCAPE GUIDANCE SYSTEM FOR TRANSPORT AIRPLANES." THE TSO REQUIRES AN APPLICANT TO DEMONSTRATE ACCEPTABLE SYSTEM RESPONSE TO WINDSHEAR DURING AIRCRAFT CONFIGURATION CHANGES, I.E., FLAPS IN TRANSITION, BEFORE CERTIFICATION WILL BE GRANTED. BECAUSE THIS ACTION SATISFIES THE INTENT OF THE RECOMMENDATION, THE BOARD CLASSIFIES A-94-210 "CLOSED--ACCEPTABLE ACTION."

From: FAA
To: NTSB
Date: 9/4/1996
Response: THE BOARD NOTES THAT THE FAA ISSUED TSO C-177A, AIRBORNE WINDSHEAR WARNING & ESCAPE GUIDANCE SYSTEMS FOR TRANSPORT AIRPLANES, ON 8/1/96. THE TSO REQUIRES AN APPLICANT TO DEMONSTRATE SYSTEM RESPONSE TO WINDSHEAR DURING AIRCRAFT CONFIGURATION CHANGES, I.E., FLAPS IN TRANSITION, IS ACCEPTABLE BEFORE CERTIFICATION WILL BE GRANTED.

From: NTSB
To: FAA
Date: 1/23/1996
Response: THE BOARD NOTES THAT THE FAA IS ADDRESSING COMMENTS RECEIVED FROM THE PUBLIC REGARDING REVISED TSO C-117A, "AIRBORNE WINDSHEAR WARNING & ESCAPE GUIDANCE SYSTEMS FOR TRANSPORT AIRPLANES," & ANTICIPATES ISSUANCE OF THE FINAL TSO BY MARCH 1996. AS NOTED IN ITS LETTER OF 8/29/95, THE BOARD BELIEVES THAT THE PROPOSED REVISION FULLY SATISFIES THE INTENT OF THE RECOMMENDATION & LOOKS FORWARD TO ISSUANCE OF THE FINAL TSO. UNTIL THEN, THE BOARD CLASSIFIES A-94-210 "OPEN--ACCEPTABLE RESPONSE."

From: FAA
To: NTSB
Date: 12/15/1995
Response: MODIFY TECHNICAL STANDARD ORDER C-117 TO ENSURE THAT WINDSHEAR WARNING SYSTEMS UNDERGO TESTING WITH THE FLAPS IN TRANSITION BEFORE GRANTING CERTIFICATION.

From: NTSB
To: FAA
Date: 8/29/1995
Response: THE BOARD NOTES THAT AN FAA HAS PUBLISHED TSO C-117A, PROPOSED REVISION TO TSO C-117. THIS REVISION REQUIRES THE APPLICANT TO SHOW THAT THE SYSTEM RESPONSE IS ACCEPTABLE DURING AIRPLANE CONFIGURATION CHANGES. THE BOARD BELIEVES THAT THE PROPOSED REVISION FULLY SATISFIES THE INTENT OF THE RECOMMENDATION. PENDING ISSUANCE OF THE FINAL TSO. THE BOARD CLASSIFIES A-94-210 OPEN--ACCEPTABLE RESPONSE.

From: FAA
To: NTSB
Date: 7/21/1995
Response: THE FAA PUBLISHED REVISED TECHNICAL STANDARD ORDER (TSO) C-117A, AIRBORNE WINDSHEAR WARNING AND ESCAPE GUIDANCE SYSTEMS FOR TRANSPORT AIRPLANES, FOR COMMENT. THIS REVISED TSO REQUIRES THE APPLICANT TO SHOW BY ANALYSIS OR OTHER SUITABLE MEANS THAT THE SYSTEM THRESHOLD IS ABOVE A POINT AT WHICH NUISANCE WARNINGS WOULD BE OBJECTIONABLE UNDER CONDITIONS OF SEVERE TURBULENCE OR AIRCRAFT CHANGE OF CONFIGURATION; I.E., FLAPS &/OR GEAR RETRACTION. IF ELECTRONIC TECHNIQUES ARE USED TO REDUCE NUISANCE WARNINGS BY TURBULENCE OR AIRCRAFT CONFIGURATION CHANGE, THE APPLICANT MUST SHOW THAT THE SYSTEM RESPONSE TO WINDSHEAR DETECTION IS ACCEPTABLE. I WILL PROVIDE THE BOARD WITH A COPY OF THE FINAL TSO AS SOON AS IT IS ISSUED.

From: NTSB
To: FAA
Date: 3/27/1995
Response: THE BOARD NOTES THAT THE FAA AGREES WITH THE RECOMMENDATION & IS REVISING TSO C-117 IN AN APPROPRIATE FASHION. THE BOARD WILL BE PROVIDED WITH A COPY OF THE REVISED TSO WHEN AVAILABLE. PENDING FAA REVISION TO THE TSO, THE BOARD CLASSIFIES A-94-210 "OPEN--ACCEPTABLE RESPONSE."

From: FAA
To: NTSB
Date: 2/13/1995
Response: THE FAA AGREES WITH THIS RECOMMENDATION. THE FAA IS REVISING TSO C-117, AIRBORNE WINDSHEAR WARNING & ESCAPE GUIDANCE SYSTEMS FOR TRANSPORT AIRPLANES, TO REQUIRE THE APPLICANT HOW BY ANALYSIS OR OTHER SUITABLE MEANS THAT THE SYSTEM THRESHOLD IS ABOVE A POINT AT WHICH NUISANCE WARNINGS WOULD BE OBJECTIONAL UNDER CONDITIONS OF SEVERE TURBULENCE OR AIRCRAFT CHANGE OF CONFIGURATION; I.E., FLAPS &/OR GEAR RETRACTION. IF ELECTRONIC TECHNIQUES ARE USED TO REDUCE NUISANCE WARNING BY TURBULENCE OR AIRCRAFT CONFIGURATION CHANGE, THE APPLICANT MUST SHOW THAT THE SYSTEM RESPONSE TO WINDSHEAR DETECTION IS ACCEPTABLE. IT IS ANTICIPATED THAT THIS TSO WILL BE PUBLISHED IN MARCH 1995 FOR PUBLIC COMMENT. I WILL PROVIDE THE BOARD WITH A COPY OF THE TSO AS SOON AS IT IS PUBLISHED.