Casualties unknown

Power Loss During Pull-Up Leads to Forced Landing of Cessna Ag Truck (N78734)

Twin Falls, ID, US

On July 20, 1992, a Cessna A188B (registration N78734) operated by David S. Simpson was involved in an aviation accident near Twin Falls, ID. Investigators recorded the probable cause as: THE PILOT'S FAILURE TO REFUEL RESULTING IN FUEL EXHAUSTION AND THE UNSUITABLE TERRAIN ENCOUNTERED DURING THE FORCED LANDING. 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 2026-06-10Data APIEditorial standards

The pilot of a Cessna Ag Truck reported a power loss during a pull-up and attempted a forced landing. After recovery, only four gallons of fuel were drained from the aircraft. The engine operated normally when tested.

Incident Overview

A pilot operating a Cessna Ag Truck for agricultural applications experienced a sudden loss of engine power while performing a pull-up maneuver. The pilot subsequently attempted a forced landing.

Pilot Statement

According to the pilot, the aircraft departed with 50 gallons of fuel and had been conducting agricultural operations for approximately one and a half hours prior to the incident. The power loss occurred during a pull-up, prompting the forced landing attempt.

Post-Accident Examination

Following the recovery of the aircraft, a total of roughly four gallons of fuel were drained from the fuel system. The engine was subsequently run and exhibited no apparent mechanical discrepancies.

No Injuries or Damage Details

The source does not specify any injuries, damage to the aircraft, or other details regarding the circumstances of the landing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X15259. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.