Casualties unknown

Overweight Aircraft with Unsecured Cargo Located After Overdue Report (N121BB)

Circle, AK, US

On February 7, 1997, a Piper PA-18 (registration N121BB) was involved in an aviation accident near Circle, AK. Investigators recorded the probable cause as: inadequate preflight by the pilot; and his subsequent loss of aircraft control, during the initial climb after takeoff. 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

An airplane departed a remote airstrip with an estimated gross weight of 1865 lbs, exceeding its maximum certificated weight of 1750 lbs. Cargo was unsecured. The aircraft was found nine days later near the departure runway in a steep nose-down attitude with cargo piled around the pilot.

Overview

An airplane on a flight from a remote airstrip failed to reach its intended destination and was reported overdue. The aircraft was discovered nine days later approximately 300 yards southeast of the departure runway, in a steep nose-down attitude.

Flight Details

Prior to departure, the pilot loaded the airplane with 10 five-gallon gasoline cans, bringing an additional 50 gallons of fuel. The aircraft already carried full fuel tanks containing 36 gallons. Additional cargo included 50 pounds of traps and snares and 35 pounds of survival equipment. None of the cargo items were secured in the rear of the airplane. The total gross weight of the airplane was estimated to be 1865 lbs, while its maximum certificated gross weight was 1750 lbs.

Discovery

The airplane was located nine days after being reported overdue, about 300 yards southeast of the departure runway. The aircraft was in a steep nose-down attitude. Upon location, all cargo items were found piled down and around the pilot.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X07367. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.