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Safety Recommendation Details

Safety Recommendation A-95-079
Details
Synopsis: ON 12/14/94, ABOUT 1146:23 PACIFIC STANDARD TIME (PST), A PHOENIX AIR GROUP, INC. (PHOENIX AIR) LEARJET 35A, REGISTRATION N521PA, CRASHED IN FRESNO, CALIFORNIA. OPERATING UNDER THE CALL SIGN DART 21, THE FLIGHTCREW HAD DECLARED AN EMERGENCY INBOUND TO FRESNO AIR TERMINAL DUE TO ENGINE FIRE INDICATIONS. THEY FLEW THE AIRPLANE TOWARD A RIGHT BASE FOR THEIR REQUESTED RUNWAY, BUT THE AIRPLANE CONTINUED PAST THE AIRPORT. THE FLIGHTCREW WAS HEARD ON FRESNO TOWER FREQUENCY ATTEMPTING TO DIAGNOSE THE EMERGENCY CONDITIONS & CONTROL THE AIRPLINE UNTIL IT CRASHED, WITH LANDING GEAR DOWN, ON AN AVENUE IN FRESNO. BOTH PILOTS WERE FATALLY INJURED. TWENTY-ONE PERSONS ON THE GROUND WERE INJURED, & 12 APARTMENT UNITS IN 2 BUILDINGS WERE DESTROYED OR SUBSTANTIALLY DAMAGED BY IMPACT & FIRE.
Recommendation: THE NTSB RECOMMENDS THAT THE FAA: PUBLISH AN FAA SPECIAL AIRWORTHINESS INFO BULLETIN THAT DESCRIBES THE CIRCUMSTANCES OF THIS ACCIDENT, INCLUDING THE CONSEQUENCES OF IMPROPER INSTALLATION OF THE SPECIAL MISSION WIRING, WHERE ELECTRICAL POWER WIRES WERE UNPROTECTED BY CURRENT LIMITERS. IN ADDITION, EMPHASIZE THAT ALL MAJOR AIRCRAFT REPAIRS & ALTERATIONS REQUIRING FAA FORM 337 MUST BE PERFORMED IN STRICT ACCORDANCE WITH THE TECHNICAL DATA CONTAINED IN THE FAA FORM 337, & THAT IT IS UNACCEPTABLE TO USE SIMILAR WORK DONE ON ANOTHER AIRCRAFT AS A TECHNICAL GUIDE IN LIEU OF THE INFO ON THE FAA FORM 337.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: FRESNO, CA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA95MA007
Accident Reports: Crash during Emergency Landing Phoenix Air Learjet 35A, N521PA
Report #: AAR-95-04
Accident Date: 12/14/1994
Issue Date: 10/17/1995
Date Closed: 12/3/1996
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 12/3/1996
Response: A-95-79 ASKED THE FAA TO PUBLISH A SPECIAL AIRWORTHINESS INFO BULLETIN THAT DESCRIBES THE CIRCUMSTANCES OF THE AVIATION ACCIDENT THAT OCCURRED ON 12/14/94, IN FRESNO, CALIFORNIA, INCLUDING THE CONSEQUENCES OF IMPROPER INSTALLATION OF THE SPECIAL MISSION WIRING, WHERE ELECTRICAL POWER WIRES WERE UNPROTECTED BY CURRENT LIMITERS. IN ADDITION, THE RECOMMENDATION ASKED THE FAA TO EMPHASIZE THAT ALL MAJOR AIRCRAFT REPAIRS & ALTERATION REQUIRING FAA FORM 337 MUST BE PERFORMED IN STRICT ACCORDANCE WITH THE TECHNICAL DATA CONTAINED IN FAA FORM 337, & THAT IT IS UNACCEPTABLE TO USE SIMILAR WORK DONE ON ANOTHER AIRCRAFT AS A TECHNICAL GUIDE IN LIEU OF THE INFO ON FAA FORM 337. THE FAA HAS PUBLISHED AN ARTICLE IN THE JULY 1996 ADVISORY CIRCULAR 43-16, "GENERAL AVIATION AIRWORTHINESS ALERTS," THAT EMPHASIZE THE IMPORTANCE OF PROPER REPAIRS & ALTERATIONS & ADHERENCE TO FAA-APPROVED DATA. BECAUSE THIS ARTICLE SATISFIES THE INTENT OF A-95-079 THIS RECOMMENDATION IS CLASSIFIED "CLOSED--ACCEPTABLE ACTION."

From: FAA
To: NTSB
Date: 9/16/1996
Response: THAT THE FAA PUBLISH AN FAA SPECIAL AIRWORTHINESS INFO BULLETIN THAT DESCRIBES THE CIRCUMSTANCES OF THIS ACCIDENT, INCLUDING THE CONSEQUENCES OF IMPROPER INSTALLATION OF THE SPECIAL MISSION WIRING, WHERE ELECTRICAL POWER WIRES WERE UNPROTECTED BY CURRENT LIMITERS, IN ADDITION, EMPHASIZE THAT ALL MAJOR AIRCRAFT REPAIRS & ALTERATIONS REQUIRING FAA FORM 337 MUST BE PERFORMED IN STRICT ACCORDANCE WITH THE TECHNICAL DATA CONTAINED IN THE FAA FORM 337, & THAT IT IS UNACCEPTABLE TO USE SIMILAR WORK DONE ON ANOTHER AIRCRAFT AS A TECHNICAL GUIDE IN LIEU OF THE INFO ON THE FAA FORM 337.

From: NTSB
To: FAA
Date: 5/6/1996
Response: THE BOARD NOTES THAT THE FAA WILL PUBLISH AN ARTICLE IN ADVISORY CIRCULAR (AC) 43-16, "GENERAL AVIATION AIRWORTHINESS ALERTS." THE ARTICLE WILL DISCUSS THE CIRCUMSTANCES OF THE ACCIDENT, THE CONSEQUENCES OF IMPROPER INSTALLATION OF THE SPECIAL MISSION WIRING WHERE ELECTRICAL POWER WIRES WERE UNPROTECTED BY CURRENT LIMITERS, & THE IMPORTANCE OF PERFORMING ALL REPAIRS & ALTERATIONS IN STRICT ACCORDANCE WITH FAA-APPROVED DATA. THE FAA HAD ANTICIPATED THAT THE ARTICLE WOULD BE PUBLISHED IN THE FEBRUARY 1996 EDITION OF AC 43-16; HOWEVER, THE BOARD HAS RECEIVED A COPY OF THE FEBRUARY 1996 AC 43-16, & IT CONTAINS NO MENTION OF EITHER THE REFERENCED ACCIDENT OR RECOMMENDATION. UNTIL THE ARTICLE IS PUBLISHED, A-95-79 IS CLASSIFIED "OPEN--ACCEPTABLE RESPONSE."

From: FAA
To: NTSB
Date: 12/15/1995
Response: THE FAA AGREES WITH THE INTENT OF THIS RECOMMENDATION & WILL PUBLISH AN ARTICLE IN ADVISORY CIRCULAR (AC) 43-16, GENERAL AVIATION AIRWORTHINESS ALERTS. THE ALERT WILL DISCUSS THE CIRCUMSTANCES OF THE ACCIDENT, THE CONSEQUENCES OF IMPROPER INSTALLATION OF THE SPECIAL MISSION WIRING WHERE ELECTRICAL POWER WIRES WERE UNPROTECTED BY CURRENT LIMITERS, & THE IMPORTANCE OF PERFORMING ALL REPAIRS & ALTERATIONS IN STRICT ACCORDANCE WITH FAA-APPROVED DATA. IT IS ANTICIPATED THAT THE ARTICLE WILL PUBLISHED DATA. IT IS ANTICIPATED THAT THE ARTICLE WILL BE PUBLISHED IN THE FEBRUARY 1996 EDITION OF AC 43-16. I WILL PROVIDE THE BOARD WITH A COPY OF THE ARTICLE AS SOON AS IT IS ISSUED.