Incident Overview
Date: Saturday 20 May 2023
Aircraft Type: Viking Air DHC-6 Twin Otter 400
Owner/operator: Seafly LLC
Registration Number: N153QS
Location: 54 km W off Half Moon Bay Airport, CA (HAF) –
ÿ Pacific Ocean
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 2 / Occupants: 2
Component Affected: DHC-6 Twin Otter 400 aircraftDHC-6 Twin Otter 400 aircraft
Category: Accident
A DHC-6 Twin Otter 400, N153QS, crashed into the Pacific Ocean approximately 54 km west of the Half Moon Bay Airport, California. The aircraft had departed Santa Rosa-Sonoma County Airport, California (STS) at 15:21 UTC (08:21 local time) on a flight to Honolulu International Airport, Hawaii (HNL). ADS-B data indicates a turn-around and subsequent heading towards Half Moon Bay Airport.A DHC-6 Twin Otter 400, N153QS, crashed into the Pacific Ocean approximately 54 km west of the Half Moon Bay Airport, California. The aircraft had departed Santa Rosa-Sonoma County Airport, California (STS) at 15:21 UTC (08:21 local time) on a flight to Honolulu International Airport, Hawaii (HNL). ADS-B data indicates a turn-around and subsequent heading towards Half Moon Bay Airport.
Description
A DHC-6 Twin Otter 400, N153QS, crashed into the Pacific Ocean about 54 km west of the Half Moon Bay Airport (HAF), California. The aircraft had departed Santa Rosa-Sonoma County Airport, California (STS) at 15:21 UTC (08:21 local time) on a flight to Honolulu International Airport, Hawaii (HNL). ADS-B data suggests that the aircraft at some point turned back, heading for HAF, until it crashed at 14:15 local time.
Source of Information
https://www.sfchronicle.com/california/article/half-moon-bay-plane-crash-18110645.php, https://www.twinotterworldnews.com/latest-newshttps://www.sfchronicle.com/california/article/half-moon-bay-plane-crash-18110645.php, https://www.twinotterworldnews.com/latest-newsPrimary Cause
Possible navigation error or system malfunction leading to a deviation from the planned route.Possible navigation error or system malfunction leading to a deviation from the planned route.Share on:
