NTSB Identification: FTW85LA134.
The docket is stored on NTSB microfiche number 29127.
Accident occurred Sunday, March 03, 1985 in HOUSTON, TX
Aircraft: CESSNA 177, registration: N29460
Injuries: 2 Serious.

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

AFTER THE FOURTH TOUCH-AND-GO LANDING ON RWY 17R POWER WAS APPLIED AND A NORMAL CLIMB INIIATED. AT ABOUT 400 FT AGL POWER WAS REDUCED; THE ENGINE DEVELOPED HEAVY VIBRATIONS AND APRX 50% POWER LOSS. THE CFI TOOK CONTROL FROM THE PRIVATE PLT RECEIVING DUAL INSTRUCTION AND INITIALLY TURNED RIGHT FOLLOWED BY A LEFT DOWNWIND TURN. AT 45-60 DEGREES ANGLE-OF-BANK THE ACFT TURNED APRX 190 DEGREES IN AN EFFORT TO LAND ON RWY 35L. ACCORDING TO THE CFI THE ACFT STALLED AND CONTACTED THE GROUND LEFT WING FIRST. EXAMINATION OF THE ENGINE REVEALED THAT CONTINUITY IN THE MIXTURE CONTROL SYSTEM DID NOT EXIST. NO ATTACKING HARDWARE THAT WOULD CONNECT THE MIXTURE LINKAGE TO THE CARBURETOR WAS INSTALLED BY THE OPERATOR 13.8 FLT HOURS AD 35 DAYS PRIOR TO THE ACCIDENT. WIND AT THE TIME OF THE FORCED LANDING WAS FORM 180 DEGREES AT 18 GUSTING TO 28 KTS. AFTER RE-RIGGING THE MIXTURE CONTROL LINKAGE AND REPAIRING IMPACT ENGINE DAMAGE THE ENGINE WAS SUCCESSFULLY TEST-RUN.

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

MIXTURE CONTROL,LINKAGE..SEPARATION

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

MAINTENANCE,INSTALLATION..IMPROPER..COMPANY MAINTENANCE PERSONNEL

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

EMERGENCY PROCEDURE..IMPROPER..PILOT IN COMMAND(CFI)



Contributing Factors

WEATHER CONDITION..TAILWIND

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