NTSB Identification: DEN83FTE02
14 CFR Part 91: General Aviation
Accident occurred Tuesday, October 26, 1982 in 21NM NNW MACK,C, CO
Probable Cause Approval Date: 10/26/1983
Aircraft: CESSNA 172G, registration: N5803R
Injuries: 1 Fatal,1 Minor.

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.

WHILE ON A FLT FROM EVANSTON, WY TO GLENWOOD, CO, THE PLT ENCOUNTERED "CLOUD TO GROUND" CONDITINS & DIVERTED TOWARD GRAND JUNCTION, CO. HE STATED THAT DUE TO A NAV PROBLEM, HE RADIOED GRAND JUNCTION TOWER TO VERIFY HIS POSITION. GRAND JUNCTION HAD NO RADAR & WAS HAVING DIFFICULTY TRYING TO GET A FIX ON THE ACFT. THEREFORE, THEY CONTACTED DENVER CENTER (DEN CTR). DEN CTR ESTABLISHED RADAR CONTACT AT 1849 MDT. THE TOWER INFORMED THE PLT OF HIS POSITION APRX 40 MI NORTHWEST & PROVIDED A FREQ TO CONTACT DEN CTR. HOWEVER, A SHORT TIME LATER, THE PLT REPORTED HE WAS UNABLE TO CONTACT DEN CTR. SHORTLY AFTER THAT, HE STATED HE WAS LOSING GROUND CONTACT. FOR THE NEXT 35 MIN, TOWER & CTR MADE EVERY POSSIBLE EFFORT TO HELP ORIENT THE PILOT & VECTOR HIM TO GRAND JUNCTION. THE PLT WAS UNABLE TO MAINTAIN A HEADING OR AN ASSIGNED ALTITUDE. SUBSEQUENTLY, THE PLANE CRASHED IN MOUNTAINOUS TERRAIN. DURING AN INVESTIGATION, THE NAV RECEIVER WAS FOUND ON 117.4 MHZ, THE GRAND JUNCTION VOR FREQ WAS 112.4 MHZ.

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

VFR FLIGHT INTO IMC..INADVERTENT..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CLOUDS



Contributing Factors

NAVIGATION RECEIVER..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

BECAME LOST/DISORIENTED..INADVERTENT..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DUSK


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND




Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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