Grumman Acft Eng Cor-Schweizer G-164 N6781K accident near Laurel, Delaware

Jul 2, 2016 · NTSB number ERA16LA242 · Final report

Probable cause

A total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle linkage.

NTSB analysis

The commercial pilot was completing the last pass of an aerial application flight between 20 and 60 ft above the ground when he heard a "loud bang" followed by a loss of engine power. He turned the airplane into the wind and set up for a forced landing in a corn field. The airplane landed on the corn and soft soil and nosed over, resulting in structural damage to the upper wing, vertical stabilizer, and rudder. Examination revealed that a bird struck the spray pump fan assembly, shattering the blades and sending blade fragments through the lower engine cowling. The blade fragments struck the engine throttle linkage, bending and rotating it to the idle/cutoff position, which resulted in the total loss of engine power.

Text from the NTSB. Open the NTSB docket for ERA16LA242 for the full record.

Event

Date
Jul 2, 2016
Type
Accident
Place
Laurel, Delaware
Highest injury
None
Weather
Visual (VMC)
Light
Day

Grumman Acft Eng Cor-Schweizer G-164

N-number
N6781K
Category
Airplane
Year built
1978
Damage
Substantial
Operating rule
Part 137 (agricultural)
Purpose of flight
Aerial application

Other records under this N-number

From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.