Accident Shorts 360-200 N376MQ, Sunday 12 March 1995
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Date:Sunday 12 March 1995
Time:13:05
Type:Silhouette image of generic SH36 model; specific model in this crash may look slightly different    
Shorts 360-200
Owner/operator:American Eagle, opb Executive Airlines
Registration: N376MQ
MSN: SH.3685
Total airframe hrs:16273 hours
Engine model:P&W PT6A65AR
Fatalities:Fatalities: 0 / Occupants: 26
Other fatalities:0
Aircraft damage: Substantial, repaired
Category:Accident
Location:San Juan-Luis Muñoz Marín International Airport (SJU) -   Puerto Rico
Phase: Taxi
Nature:Passenger - Scheduled
Departure airport:Saint Thomas-Cyril E. King Airport (STT/TIST)
Destination airport:San Juan-Luis Muñoz Marín International Airport (SJU/TJSJ)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A Lockheed L-1011, N724DA, operating Delta Air Lines flight DL189, experienced an on-ground collision during pushback at the San Juan-Luis Munoz Marin International Airport, Puerto Rico, with a Shorts 360, N376MQ. The Shorts operated American Eagle flight 5539.
Visual meteorological conditions prevailed. The Delta Airlines airplane sustained minor damage and the American Eagle airplane sustained substantial damage. There were no injuries.
American Eagle flight 539 had requested and received permission to taxi from runway 10 to the ramp at 13:00:12. At 13:00:40, Delta Airlines flight 189 requested pushback clearance from ground control, and was approved at 13:00:43.
The lead left wingman for Delta flight 189 stated they had just commenced pushback from gate 33 when he observed an American Eagle flight taxiing behind flight 189. He signaled the tug operator to stop the pushback. The American Eagle flight taxied past flight 189, stopped, started taxiing again, and stopped abruptly. The tug operator commenced pushback procedures without receiving instructions from the dispatching agent. The wingman signaled the tug operator to stop, however; the right wing tip of Delta flight 189 collided with the rudder of American Eagle flight 5539 before the pushback was stopped.

Delta Airlines SOP states, the dispatching ramp agent is responsible for directing the movement of aircraft. It also states the dispatching ramp agent is responsible for observing obstruction clearance and executing the appropriate ramp signals to the tug operator. It further states the tug operator is responsible for following the signals of the dispatching ramp agent.

PROBABLE CAUSE: "The failure of the tug operator to follow correct pushback procedures by commencing pushback without clearance, resulting in an on-ground collision with another airplane."

Accident investigation:
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Investigating agency: NTSB
Report number: MIA95LA086B
Status: Investigation completed
Duration: 3 months
Download report: Final report

Sources:

NTSB

Location

Revision history:

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