Final
1 fatal
May 1, 2025
N52156 crash at Grass Valley, CA
Cessna 177RG — Loss of engine power (total) at KGOO (Grass Valley, CA)
DateMay 1, 2025
Tail numberN52156
AircraftCessna 177RG · C77R
LocationKGOO — Grass Valley, CA
Phase of flightApproach
OperationPart 91 Personal
Injuries1 fatal
NTSB caseWPR25FA146
Probable cause
An improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy.
View the full NTSB report (PDF) →
Get email alerts
Follow any of these and NTSB Alerts emails you when a matching report publishes — including when this case is updated.