NTSB Identification: DEN90FA139.
The docket is stored on NTSB microfiche number 42651.
Accident occurred Thursday, June 21, 1990 in LAUREL, MT
Probable Cause Approval Date: 11/09/1992
Aircraft: PIPER PA-18, registration: N9926D
Injuries: 2 Fatal.

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 PILOT OF THE ACCIDENT AIRCRAFT WAS GIVING RIDES TO RELATIVES AND FRIENDS AND FLYING IN CLOSE PROXIMITY TO A COMPANION AIRCRAFT AT LOW ALTITUDE. THE ACCIDENT AIRCRAFT STRUCK TREES ALONG THE SIDE OF A CANYON, IMPACTED INTO THE CANYON WALL, AND WAS DESTROYED BY IMPACT AND FIRE.

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

THE PILOT'S FAILURE TO MAINTAIN PROPER CLEARANCE FROM OTHER OBJECTS WWHILE MANEUVERING.

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