NTSB Identification: FTW82IA146
14 CFR Part 91: General Aviation
Incident occurred Saturday, March 20, 1982 in HOUSTON, TX
Probable Cause Approval Date: 03/20/1983
Aircraft: ROCKWELL NA-265-80, registration: N87Y
Injuries: 2 Uninjured.

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

DURING TAXI FOR TAKEOFF, NOSEWHEEL STEERING WAS LOST AND THE AIRCRAFT DEPARTED THE TAXIWAY AND WENT DOWN AN EMBANKMENT AND INTO A DRAINAGE DITCH CAUSING MINOR DAMAGE. DURING THE HYDRAULIC SYSTEM CHECK-OUT, THE HYDRAULIC PUMP MOTOR WAS FOUND BURNT OUT. THE HYDRAULIC PRESSURE CONTROL SWITCH WOULD NOT OPEN WHEN THE SYSTEM PRESSURE REACHED PRESCRIBED LIMITS. ADDITIONALLY, THE HYDRAULIC PUMP TIMING RELAY WAS FOUND TO BE INOPERATIVE REGARDLESS OF THE LENGTH OF TIME THAT D.C. POWER WAS APPLIED.

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

HYDRAULIC SYSTEM,PRESSURE REGULATOR..JAMMED

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

SAFETY SYSTEM(OTHER)..INOPERATIVE

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

HYDRAULIC SYSTEM,PUMP..OVERTEMPERATURE

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

HYDRAULIC SYSTEM,PUMP..FAILURE,TOTAL

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

FLUID,HYDRAULIC..NO PRESSURE

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

LANDING GEAR,STEERING SYSTEM..DISABLED

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

LANDING GEAR,NORMAL BRAKE SYSTEM..DISABLED

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

LANDING GEAR,EMERGENCY BRAKE SYSTEM..DISABLED





Contributing Factors

TERRAIN CONDITION..DOWNHILL


Contributing Factors

TERRAIN CONDITION..DITCH

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