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October 7, 2024 · Grumman Acft Eng Cor-Schweizer G-164A · N8957H
Parsonsburg, MD
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 7, 2024
Injury Outcomes
1 injury (1 serious injury)
Location
Parsonsburg, MD
Aircraft
Grumman Acft Eng Cor-Schweizer G-164A
Tail Number
N8957H
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
ERA25LA004
While conducting agricultural aerial seed application, the airplane’s engine began to produce white smoke and lost power. The pilot chose a field to land in and the engine subsequently lost power completely. While attempting to clear a tree line, the pilot exceeded the airplane’s critical angle of attack, resulting in an aerodynamic stall. The airplane impacted the field at the edge of the trees and sustained substantial damage to the fuselage, wings, and right horizontal stabilizer. Postaccident examination of the airplane’s vintage radial engine revealed that there was oil inside the intake system and that the supercharger was seized and could not be rotated. The reason for the seizure of the supercharger was not determined.
NTSB Probable Cause
Aircraft-Aircraft power plant-Engine (reciprocating)-Recip eng supercharger-Failure
Full Narrative
While conducting agricultural aerial seed application, the airplane’s engine began to produce white smoke and lost power. The pilot chose a field to land in and the engine subsequently lost power completely. While attempting to clear a tree line, the pilot exceeded the airplane’s critical angle of attack, resulting in an aerodynamic stall. The airplane impacted the field at the edge of the trees and sustained substantial damage to the fuselage, wings, and right horizontal stabilizer. Postaccident examination of the airplane’s vintage radial engine revealed that there was oil inside the intake system and that the supercharger was seized and could not be rotated. The reason for the seizure of the supercharger was not determined.
Flight
Event TypeAccident
Event Time09:00 EDT
Nearest AirportSalisbury-Ocean City Wicomico (3nm NE)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftGrumman Acft Eng Cor-Schweizer G-164A
Tail NumberN8957H
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsPratt & Whitney · R1340-AN1 · Reciprocating · 600
Seats1
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 29 · Second Class · Serious
Conditions
ConditionsVMC
LightDaylight
Wind300° @ 8 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point63 F
Altimeter29.84 inHg
Observation Time12:54
Weather SourceWFAC