Air Tractor AT-401 N4530N

Summary

On 21 June 1990 at about 23:30 local time, a Air Tractor AT-401 registered N4530N, operated by William M. Walters, was involved in an accident near Jerome, Idaho, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

21 June 1990 at 23:30

Classification

Accident

Location

Jerome, Idaho, United States

Coordinates

42.7305, -114.4301

Aircraft

Air Tractor AT-401

Registration

N4530N

Category

Airplane

Engines

1

Operator

William M. Walters

Operating rule

Part 137: Agricultural

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

SEA90LA105

Nobody was injured.

THE PILOT DID NOT MAINTAIN A PROPER ALTITUDE WHILE MANEUVERING TO REVERSE DIRECTION.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

DURING AN AERIAL APPLICATION FLIGHT, THE PILOT HAD COMPLETED ONE PASS OVER THE FIELD AND A TURN TO REVERSE DIRECTION WAS MADE WITH PARTIAL FLAPS EXTENDED. THE PILOT RETRACTED THE FLAPS AT A LOW ALTITUDE AND THE AIRPLANE SETTLED. AS IT SETTLED, THE AIRPLANE COLLIDED INTO A DRAINAGE EMBANKMENT. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE AT THE TIME OF THE ACCIDENT.

Quoted verbatim from the NTSB record.