NTSB Identification: DEN88LA156.
The docket is stored on NTSB microfiche number 36204.
Accident occurred Thursday, July 14, 1988 in GALLUP, NM
Probable Cause Approval Date: 06/07/1989
Aircraft: CESSNA 152, registration: N48055
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

PRIOR TO TAKEOFF FROM THE 6469 FT MSL AIRPORT, THE PILOT LEANED THE MIXTURE AT 2000 RPM. DENSITY ALTITUDE WAS APRX 9100 FT MSL. THE 10-DEG FLAP TAKEOFF AND CLIMBOUT TO 300 FT AGL WAS SAID TO BE NORMAL INITIALLY; THEN THE AIRCRAFT BEGAN LOSING ALTITUDE ALTHOUGH THE ENGINE RPM REMAINED AT ABOUT 2000 RPM. THE PILOT SAID HE RAISED THE FLAPS AND LOWERED THE NOSE TO REACQUIRE VY, BUT THE AIRCRAFT CONTINUED LOSING ALTITUDE. THE PILOT DECIDED TO MAKE A PRECAUTIONARY LANDING IN OPEN PASTURE APRX 3 MILES WEST OF THE AIRPORT. THE PILOT REDUCED POWER AND DEPLOYED FULL FLAPS. THE AIRCRAFT TOUCHED DOWN AND, DURING ROLLOUT, HIT A SMALL GULLY AND FLIPPED OVER. THE PILOT SAID HEAVY RAIN FELL 45 MIN AFTER THE ACCIDENT. ACCORDING TO GALLUP FSS, A THUNDERSTORM MOVED S OF THE ARPT AT 1349 WITH RAINSHOWERS OF UNKNOWN INTENSITY IN ALL QUADRANTS. ACFT HANBOOK STATES THAT THE MIXTURE SHOULD BE LEANED AT FULL POWER.

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

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND

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

MIXTURE..IMPROPER USE OF..PILOT IN COMMAND

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

WEATHER CONDITION..DOWNDRAFT



Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

TERRAIN CONDITION..DITCH


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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