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NTSB Report
January 30, 1989 · Swearingen SA-227-AC · N169SW
Salt Lake City, UT
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 30, 1989
Injury Outcomes
No injuries (16 uninjured)
Location
Salt Lake City, UT
Aircraft
Swearingen SA-227-AC
Tail Number
N169SW
Operator
Skywest Airlines
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN89FA070
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.
NTSB Probable Cause
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time15:25 MST
Nearest AirportSalt Lake City Intl (0nm N)
Runway16
Runway Length12003 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSwearingen SA-227-AC
Tail NumberN169SW
Aircraft CategoryAir
DamageSubstantial
OperatorSkywest Airlines
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsGarrett · TPE 331-11UA · Turboprop · 1000 | Garrett · TPE331 11UA · Turboprop · 1000
Seats20
People & Injuries
Injury SummaryNo injuries (16 uninjured)
Fatal0
Serious0
Minor0
Uninjured16
Total16
Crew 1Age 49 · First Class
Crew 2Age 31 · First Class
Conditions
ConditionsIMC
LightDaylight
Wind180° @ 6 kt
Visibility2 sm
CeilingOvercast 2400 ft
Temperature / Dew Point34 C / 21 C
Altimeter30.00 inHg
Observation Time21:50
Weather SourceWFAC