Casualties unknown

Pilot Strikes Ground While Avoiding Birds During Test Flight (N520SM)

Jacksonville, FL, US

On May 8, 1997, a Piper PA-23-250 (registration N520SM) was involved in an aviation accident near Jacksonville, FL. Investigators recorded the probable cause as: The pilot's failure to maintain terrain clearance while on a low pass, leading to propeller damage. A factor was birds in the area. 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 low approach over a grass strip, a pilot struck the ground while attempting to avoid a flock of egrets, resulting in propeller damage and an emergency landing in the runway overrun area.

Accident Details

The pilot was conducting a test flight to verify the operation of his landing gear. As part of the flight, he attempted a low approach over a grass strip located between the runway and the maintenance building at the airport. While flying over the grass strip, a flock of egrets suddenly took off and flew up ahead of the airplane. In an attempt to avoid the birds, the pilot struck the ground.

After the impact, the airplane became airborne briefly before the pilot performed an emergency landing due to propeller damage. The landing occurred in the runway overrun area on the east side of the airport property.

Investigation Findings

The investigation relied on the pilot's account of the events. The pilot reported that the low approach was intended to check landing gear operation, and the encounter with the egrets prompted an evasive maneuver that led to ground contact. The resulting propeller damage necessitated the emergency landing. No other factors or causes were identified in the source.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X07851. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.