PIPER PA 18A
Girdwood, AK — December 21, 2015
Event Information
| Date | December 21, 2015 |
| Event Type | ACC |
| NTSB Number | GAA16CA102 |
| Event ID | 20160119X55159 |
| Location | Girdwood, AK |
| Country | USA |
| Coordinates | 60.94000, -149.14999 |
| Airport | GIRDWOOD |
| Highest Injury | NONE |
Aircraft
| Make | PIPER |
| Model | PA 18A |
| Category | AIR |
| FAR Part | 091 |
| Aircraft Damage | SUBS |
Conditions
| Light Condition | DAYL |
| Weather | VMC |
Injuries
| Fatal | 0 |
| Serious | 0 |
| Minor | 0 |
| None | 2 |
| Total Injured | 0 |
Event Location
Probable Cause
Fuel contamination resulting in the loss of engine power, a forced landing on a highway, and subsequent right wing impact with highway signage.
Full Narrative
According to the pilot, the airplane departed the runway and climbed to 3000 feet above ground level. She reported that while maneuvering, the airplane lost engine power. After several attempts to restart the engine, the pilot made a forced landing on a highway bridge. She reported that during the landing roll, the airplane's right wing struck a sign that was affixed to the bridge.
According to the pilot, at the time of the accident, there were twenty gallons of fuel on board the airplane. She reported that the airframe and power plant mechanic removed approximately two cups of water from the fuel tanks after the accident in preparation for the airplane's recovery. The airplane sustained substantial damage to the right wing spar and aileron.
About This NTSB Record
This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.