3 fatalities

Seaplane Collision with Mountain Slope North of San Luis Obispo (2128)

San Luis Obispo, United States of AmericaFlight

On August 7, 1967, a Grumman HU-16 (SA-16) Albatross (registration 2128) operated by United States Coast Guard - USCG was involved in an aviation accident near San Luis Obispo, United States of America in flight. 3 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A seaplane crashed into a mountain slope north of San Luis Obispo while searching for an overdue vessel in foggy conditions. Three crew members were killed, and five others were rescued.

Incident Overview

An aviation accident occurred when a seaplane collided with a mountain slope located north of San Luis Obispo. The aircraft was engaged in a search operation for an overdue vessel along the California coastline at the time of the incident.

Operational Conditions

The flight was conducted under marginal weather conditions, specifically limited visibility caused by fog. The crew was actively searching the coastal area when the collision took place. The restricted visibility likely contributed to the difficulty of navigating the terrain safely during the search mission.

Casualties and Rescue

The crash resulted in significant loss of life and required a rescue operation for the surviving personnel. Three members of the crew were killed in the accident. Five other individuals on board were successfully rescued following the impact.

Deceased Personnel

The investigation identified the three crew members who perished in the incident as:

  • LTJG Francis J. Charles
  • AD3 William E. Prowitt
  • AD3 John G. Medek