No fatalities

8 Aug 2011: AIR TRACTOR INC AT-602 (N5123L) — Ag-Air LLC — Willcox, AZ

Willcox, AZ, United States

On 8 Aug 2011, an AIR TRACTOR INC AT-602 (registration N5123L) operated by Ag-Air LLC was involved in an aviation accident near Willcox, AZ. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain clearance from a tower while maneuvering at low altitude. Contributing to the accident was the recent installation of the unmarked tower. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

On August 8, 2011, an Air Tractor AT-602 (N5123L) struck an unmarked tower near Willcox, Arizona, during an aerial application calibration pass, resulting in substantial damage and minor pilot injuries.

Accident Overview

On August 8, 2011, at approximately 0530 mountain standard time, an Air Tractor AT-602, registration N5123L, sustained substantial damage when it impacted a tower while maneuvering near Willcox, Arizona. The commercial pilot, the sole occupant of the airplane, received minor injuries. The operator, M and J Bailey, Inc., of Dalhart, Texas, was operating the airplane under 14 Code of Federal Regulations Part 137 for aerial application.

Meteorological and Flight Details

Visual meteorological conditions prevailed for the early morning flight, which had originated about 15 minutes before the accident. No flight plan had been filed. The pilot was conducting an aerial application flight.

Sequence of Events

The pilot reported that he was performing a calibration pass on his target field at an altitude of about 60 feet above ground level when the airplane struck an unmarked 80-foot-tall tower. Following the impact, the airplane's engine caught fire and lost power. During the subsequent forced landing, the airplane struck a fence, which damaged the left wing.

Additional Information

According to the pilot, the tower had recently been installed without his knowledge.

Contributing factors

Causes

PilotResponse/compensation

Other contributing factors

Availability of related info