NTSB Identification: DEN89FA070A.
The docket is stored on NTSB microfiche number 38778.
Scheduled 14 CFR
Accident occurred Monday, January 30, 1989 in SALT LAKE CITY, UT
Probable Cause Approval Date: 05/22/1990
Aircraft: SWEARINGEN SA-227-AC, registration: N169SW
Injuries: 16 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE CAPTAIN STATED THAT HE WAS CLEARED BY ATC GROUND CONTROL TO PROCEED IN A TAXI LINE OF 10 AIRCRAFT THAT WERE WAITING FOR TAKEOFF. PROGRESS WAS SLOW AS THE AIRCRAFT MOVED AND THEN STOPPED AND MOVED AGAIN. AFTER ABOUT 20-30 MINUTES OF TAXIING, THE TWO SUBJECT AIRCRAFT CAME TO A STOP AGAIN. THE CAPTAIN SAID THAT WITHOUT REALIZING IT, HIS AIRCRAFT BEGAN TO CREEP UP ON THE PRECEDING AIRCRAFT UNTIL THE RIGHT ENGINE PROPELLER STRUCK THE TAIL OF THE PROCEDING AIRCRAFT CAUSING SUBSTANTIAL DAMAGE TO BOTH AIRCRAFT. THE CAPTAIN STATED THAT HE WAS AT THE CONTROLS AT THE TIME OF THE COLLISION AND COULD NOT RECALL WHAT WAS OCCUPYING HIS ATTENTION PRIOR TO THE COLLISION. POST ACCIDENT EXAMINATION FAILED TO REVEAL ANY MALFUNCTION OF THE BRAKE SYSTEM.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THE FAILURE OF THE CAPTAIN TO MAINTAIN A VISUAL LOOKOUT WHILE TAXIING HIS AIRCRAFT, INADVERTENTLY ALLOWING HIS AIRCRAFT TO CREEP INTO THE STATIONARY AIRCRAFT IN FRONT OF HIM.

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