ASN Aircraft accident Northrop YC-125A Raider N3756Q Tulsa International Airport, OK (TUL)
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Status:Accident investigation report completed and information captured
Date:Wednesday 29 June 1988
Type:Silhouette image of generic rydr model; specific model in this crash may look slightly different
Northrop YC-125A Raider
Operator:Darryl G. Greenamyer
Registration: N3756Q
MSN: 2518
First flight:
Engines: 3 Wright R-1820-202A
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Aircraft damage: Damaged beyond repair
Location:Tulsa International Airport, OK (TUL) (   United States of America)
Phase: Initial climb (ICL)
Departure airport:Tulsa International Airport, OK (TUL/KTUL), United States of America
Destination airport:Dayton-Wright Patterson AFB, OH (FFO/KFFO), United States of America
The pilot did not hold a type rating or written authorization to act as pilot in command. The co-pilot did not hold a type rating or written authorization to act as second in command and his medical had expired. The aircraft did not have an airworthiness certificate or had a special flight permit been issued. The left propeller went into reverse during the initial climb due to corrosion and deterioration of the wiring that controlled the propeller. The aircraft crashed out of control after colliding with power lines during take off. It struck the ground and went through a fence then down a slope and over an embankment. The aircraft then bounced across a street while turning around and colliding with a power line pole tail first. The aircraft travelled about 537 ft from initial ground contact. All three engines were still producing power when the aircraft came to rest.

Probable Cause:

No probable cause was issued.

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year
Accident number: FTW88DPJ07
Download report: Summary report

Flightcrew un(der)qualified
Loss of control



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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Tulsa International Airport, OK to Dayton-Wright Patterson AFB, OH as the crow flies is 1104 km (690 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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