Casualties unknown

2005-07-19: Grumman G-164A (N6702Q) — Jerome, ID

Jerome, ID, US

On July 19, 2005, a Grumman G-164A (registration N6702Q) was involved in an aviation accident near Jerome, ID. Investigators recorded the probable cause as: Failure to maintain clearance from terrain during takeoff and initial climb. A high density altitude was a factor. 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

A pilot reported a high sink rate after takeoff; despite increasing power and jettisoning the load, the airplane struck terrain in a level attitude about 1.5 miles north of the airport. The departure had a slight quartering tailwind; density altitude was estimated at 5,584 feet.

Accident Overview

The pilot of an agricultural airplane reported that shortly after takeoff, during the initial climb, the aircraft developed a high sink rate. In response, the pilot increased engine power and jettisoned the load, but the airplane continued to descend and eventually impacted terrain in a level flight attitude. The accident site was approximately 1.5 miles north of the departure airport.

Flight Conditions

The pilot stated that he departed the runway with a slight quartering tailwind. The field elevation at the departure airport was 4,048 feet above mean sea level, and the estimated density altitude was about 5,584 feet. The operator reported that the airplane was loaded with approximately 2,000 pounds of dry fertilizer and about 55 gallons of Jet A fuel.

Mechanical Status

The operator indicated that there were no mechanical malfunctions or failures with the airplane prior to the accident.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20050720X01066. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.