NTSB Identification: SEA95FA038.
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Accident occurred Wednesday, January 18, 1995 in MOOSE, WY
Probable Cause Approval Date: 12/04/1995
Aircraft: BEECH V35, registration: N5603S
Injuries: 3 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.

DURING DARK NIGHT CONDITIONS, THE FLIGHT WAS CLEARED FOR THE ILS APPROACH INTO THE JACKSON HOLE AIRPORT. RADAR DATA INDICATES THAT THE FLIGHT PASSED OVER THE INITIAL APPROACH FIX AND BEGAN TO TRACK OUTBOUND BEFORE TURNING RIGHT AND INTERCEPTING THE INBOUND COURSE. THE FLIGHT HAD PASSED OVER THE INITIAL APPROACH FIX INBOUND, WHICH IS 17.3 MILES FROM THE AIRPORT SHORTLY BEFORE RADAR CONTACT WAS LOST. THE WRECKAGE WAS LOCATED APPROXIMATELY 7 MILES NORTH OF THE AIRPORT AND JUST WEST OF THE LOCALIZER COURSE AT AN ELEVATION OF 6,700 FEET. THE AIRPLANE COLLIDED WITH LEVEL TERRAIN IN A LEFT WING LOW ATTITUDE AND CARTWHEELED APPROXIMATELY 150 FEET BEFORE COMING TO REST. NO EVIDENCE WAS FOUND TO INDICATE A MECHANICAL FAILURE OR MALFUNCTION.

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

THE PILOT'S FAILURE TO FLY THE PROPER GLIDEPATH. A FACTOR WAS THE DARK NIGHT LIGHT CONDITIONS.

Full narrative available

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