NTSB Identification: FTW87LA169.
The docket is stored on NTSB microfiche number 34401.
Accident occurred Friday, July 10, 1987 in HOUSTON, TX
Probable Cause Approval Date: 10/25/1988
Aircraft: MAULE M-4-210C, registration: N40684
Injuries: 2 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.

THE INSTRUCTOR PLT (CFI) STATED THAT DRG THE PREFLT, HE & THE STUDENT DRAINED ABOUT 1 PINT OF WATER FROM THE LEFT WING TANK & A SMALL AMOUNT FROM THE LOWER ENG SUMP DRAIN. NO WATER WAS FOUND IN THE RGT TANK. THE LEFT TANK WAS SELECTED & A 12 TO 15 MIN ENG RUN-UP WAS MADE BEFORE TAKING OFF. DRG THE INITIAL CLIMB AFTER TAKEOFF, THE ENG LOST POWER. THE CFI TOOK CONTROL OF THE ACFT & MADE AN EMERG LNDG IN A PASTURE. WHILE LNDG, THE ACFT ENCTRD RAPIDLY RISING TERRAIN & THE GEAR COLLAPSED. A POST-ACDNT EXAM REVEALED THERE WAS WATER & RUST IN THE FUEL INJECTOR SERVO, DISTRIBUTOR,LINES/NOZZLES, FUEL PUMP, GASCOLATOR & CONNECTING LINES. AN ESTIMATED 1 PINT OF WATER WAS DRAINED FROM THE FUEL SYS AFTER THE ACDNT.

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND(CFI)

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

FLUID,FUEL..CONTAMINATION

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

FLUID,FUEL..WATER


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN



Contributing Factors

TERRAIN CONDITION..RISING

Index for Jul1987 | Index of months