NTSB Identification: FTW84FA296.
The docket is stored on NTSB microfiche number 26488.
Accident occurred Saturday, June 30, 1984 in EL PASO, TX
Aircraft: CESSNA 421B, registration: N554
Injuries: 8 Uninjured.

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.

FIRST EVIDENCE OF LANDING GEAR TIRE MARKS WERE FOUND APRX 4,000 FT DOWN THE RWY, RIGHT OF CENTERLINE AND CONTINUED UNTIL THE ACFT ROLLED OFF THE RIGHT SIDE OF THE RWY. ALL 3 LANDING GEAR COLLAPSED IN THE SOFT DIRT AND GRAVEL. ACCORDING TO THE PLT, WHEN THE AUTO-PILOT WAS DISENGAGED ON FINAL APPROACH, 3 MILES OUT, THE ACFT YAWED RIGHT. POWER AND RUDDER WERE USED TO MAINTAIN CONTROL. AT TOUCHDOWN POWER WAS REDUCED AND SHORTLY THEREAFTER THE ACFT DRIFTED RIGHT DESPITE THE APPLICATION OF LEFT RUDDER AND BRAKE. EXAM OF THE WRECKAGE REVEALED NO MECHANICAL MALFUNCTIONS IN THE AUTO-PILOT, WHEEL BRAKES, FLIGHT CONTROLS, AND TRIM SYSTEMS. THE CAUSE OF THE DIRECTIONAL CONTROL LOSS WAS NOT DETERMINED.

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

REASON FOR OCCURRENCE UNDETERMINED





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