NTSB Identification: ATL87LA063.
The docket is stored on NTSB microfiche number 32474.
Accident occurred Thursday, January 22, 1987 in WILKESBORO, NC
Probable Cause Approval Date: 03/21/1988
Aircraft: PIPER PA-23-250, registration: N2489R
Injuries: 4 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.

DURING A TAKEOFF ATTEMPT, THE RIGHT SEAT PILOT DID NOT GET AN AIRSPEED INDICATION. HOWEVER, THE LEFT AIRSPEED INDICATED 45 MPH WHEN THE PILOT ABORTED THE TAKEOFF. THE AIRCRAFT VEERED OFF THE RIGHT SIDE OF THE RUNWAY 1700 FEET FROM THE INITIAL TAKEOFF ROLL. RUNWAY 06 IS 4250 FEET LONG. THE PLANNED LIFTOFF SPEED SHOULD HAVE BEEN 80 MPH AT 5000 POUNDS GROSS WEIGHT WITH A TOTAL TAKEOFF DISTANCE OF 1200 FEET. THIS TAKEOFF DATA IS BASED UPON A LEVEL, DRY, PAVED SURFACE. FAA ADVISORY CIRCULAR 91-6A STATES THAT TAKEOFF SHOULD NOT BE ATTEMPTED WITH GREATER THAN 1/2 INCH OF WET SNOW ON THE RWY SURFACE. THE PLT REPORTED THAT THE RWY WAS COVERED WITH 4 INCHES SNOW

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

PLANNING/DECISION..INADEQUATE..PILOT IN COMMAND

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

AIRPORT SNOW REMOVAL..NOT ATTAINED..AIRPORT PERSONNEL

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

AIRSPEED..NOT OBTAINED..PILOT IN COMMAND

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