No fatalities

GRUMMAN/SCHWEIZER G-164D accident at Richvale, CA, 8 Jun 2024

Richvale, CA, United States

On June 8, 2024, a GRUMMAN/SCHWEIZER G-164D operated by AVAG INC was involved in an aviation accident near Richvale, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s decision to take off with a tailwind and their failure to maintain clearance from terrain. This summary draws on records from NTSB; 1 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot’s decision to take off with a tailwind and their failure to maintain clearance from terrain.

— NTSB Determination

Contributing factors

PilotAltitude — Not attained/maintained

Frequently asked questions

What happened in the 8 Jun 2024 GRUMMAN/SCHWEIZER G-164D accident near Richvale, CA?

The pilot’s decision to take off with a tailwind and their failure to maintain clearance from terrain.

Were there any fatalities in the 8 Jun 2024 GRUMMAN/SCHWEIZER G-164D accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 8 Jun 2024 involved a GRUMMAN/SCHWEIZER G-164D, operated by AVAG INC, at Richvale, CA.

What was the probable cause of the accident?

The pilot’s decision to take off with a tailwind and their failure to maintain clearance from terrain.