Casualties unknown

Engine Power Loss During Swath Turning Maneuver Results in Forced Landing and Post-Crash Fire (N9973G)

Idabel, OK, US

On June 24, 1992, a Cessna 188A (registration N9973G) operated by Parsons, Shawn P. was involved in an aviation accident near Idabel, OK. Investigators recorded the probable cause as: POWER LOSS FOR UNDETERMINED REASONS. A FACTOR WAS LACK OF UNSUITABLE TERRAIN FOR 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

During a swath turning maneuver, an engine power loss occurred. The pilot performed a forced landing, impacting trees and terrain. A post-crash fire destroyed the airplane. Engine examination revealed no anomalies. Witnesses reported a load of 1,100 pounds of chemical and fuel, temperature of 95°F, and density altitude of 2,800 feet.

Accident Narrative

The accident occurred during a swath turning maneuver, a common operation in aerial application. While executing the turn, the engine experienced a loss of power. The pilot attempted a forced landing, during which the airplane struck trees and terrain. Following the impact, a post-crash fire engulfed and destroyed the aircraft.

Engine Examination

Investigators conducted a detailed examination of the engine to determine the cause of the power loss. The inspection did not reveal any mechanical anomalies or preexisting conditions that could explain the loss of power. No evidence of malfunction or failure was found.

Witness Information

Witnesses reported that the pilot had departed with approximately 1,100 pounds of combined chemical and fuel on board. At the time of the accident, the ambient temperature was 95 degrees Fahrenheit, and the density altitude was estimated at 2,800 feet. No other factors, such as weather phenomena or ATC involvement, were mentioned in the reports.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X14849. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.