Evans VP-2 N84772

Summary

On 18 September 1987 at about 21:15 local time, a Evans VP-2 registered N84772, operated by Harold Wirth, was involved in an accident near Cedar Valley, Utah, United States. One person was on board and one was seriously injured. The aircraft was destroyed. No probable cause statement is available for this record.

Date

18 September 1987 at 21:15

Classification

Accident

Location

Cedar Valley, Utah, United States

Coordinates

40.5405, -110.7294

Aircraft

Evans VP-2

Registration

N84772

Category

Airplane

Engines

1

Operator

Harold Wirth

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

DEN87DTM01

1 person was seriously injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

THE ACFT WAS FLOWN BY TWO DIFFERENT PLTS WHO COMPLAINED OF STIFF AILERONS. THE AILERON SYSTEM WAS EXAMINED BUT NO DEFICIENCIES WERE NOTED. A THIRD PLT THEN TOOK OFF AND BEGAN A LT TURN AT ABOUT 75 TO 100 FT AGL. WHEN HE ATTEMPTED TO RETURN TO WINGS LEVEL HE WAS UNABLE TO ROLL TO THE RT. THE LT BANK THEN INCREASED AND THE ACFT COLLIDED WITH THE GROUND IN A LT WING LOW, NOSE LOW ATTITUDE AND CARTWHEELED. EXAMINATION OF THE INBOARD AILERON PULLEY BLOCK ON THE LT WING REVEALED THAT ADHESIVE USED TO AFFIX THE BLOCK TO THE SUPPORTING STRUCTURE HAD SEEPED DOWN TO THE OUTSIDE OF THE PULLEY AND FORMED A BOND BETWEEN THE PULLEY AND THE STRUCTURE. THE PULLEY ALSO HAD A GROOVE WORN IN THE PULLEY CHANNEL CONSISTENT WITH LACK OF PULLEY ROTATION.

Quoted verbatim from the NTSB record.