Casualties unknown

1990-04-04: Grumman G-164B (N8011K) — Esparto, CA

Esparto, CA, US

On April 4, 1990, a Grumman G-164B (registration N8011K) was involved in an aviation accident near Esparto, CA. Investigators recorded the probable cause as: THE PILOT MISJUDGED THE AIRPLANE'S CLEARANCE WITH THE TRANSMISSION WIRES. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

During aerial spraying, an aircraft struck a transmission wire, rupturing the fuel tank and causing an in-flight fire before plummeting to the ground.

Accident Overview

The accident occurred while the pilot was performing aerial spraying operations. Prior to departing on the accident flight, the pilot briefed the flaggers on the planned flight path. The path was set to begin at the center of a tomato crop field and proceed in an east-to-west direction.

Flight Details

During the first load of spray, the pilot flew beneath the north-south transmission wires that crossed the field. For the second load, the pilot initiated a swath run from a west-to-east direction. As the aircraft approached the transmission wires, the pilot began a climb in an attempt to clear them.

Wire Strike and Fire

Despite the climb, the right wing of the aircraft made contact with a transmission wire. The impact ruptured the fuel tank, resulting in an in-flight fire. Following the fire, the airplane plummeted to the ground.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22934. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.