Accident Viking Air DHC-6 Twin Otter 400 N153QS, Saturday 20 May 2023
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Date:Saturday 20 May 2023
Time:c. 14
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different    
Viking Air DHC-6 Twin Otter 400
Owner/operator:Seafly LLC
Registration: N153QS
MSN: 869
Year of manufacture:2012
Total airframe hrs:1641 hours
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Destroyed, written off
Location:54 km W off Half Moon Bay Airport, CA (HAF) -   Pacific Ocean
Phase: En route
Departure airport:Santa Rosa-Sonoma County Airport, CA (STS/KSTS)
Destination airport:Honolulu-Daniel K. Inouye International Airport, HI (HNL/PHNL)
Investigating agency: NTSB
Confidence Rating: Information is only available from news, social media or unofficial sources
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.



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