Eleven Walk Away After the Kenmore Air Otter Goes Down in the San Juans, and What a Survivable Floatplane Accident Actually Teaches Us

All eleven people aboard a Kenmore Air floatplane - ten passengers and the pilot - were accounted for after the aircraft went down in the San Juan Islands of Washington State. The airplane was a de Havilland Canada DHC-3 Otter operating over the waters of the Pacific Northwest. Everyone survived, and that outcome is the reason this accident is worth studying: it is a case study in floatplane survivability, not a tragedy.

What Happened in the San Juan Islands

A Kenmore Air DHC-3 Otter crashed in the San Juan Islands, and all eleven occupants - ten passengers plus the pilot - were accounted for, as first reported by Flying Magazine.

The seating math lines up cleanly with the reporting. A turbine Otter on floats carries a pilot and roughly ten passengers, so eleven souls indicates a full or nearly full revenue flight - a working airplane doing working-airplane things, not a training or ferry hop.

As of this writing, the cause has not been established. The National Transportation Safety Board (NTSB) will investigate and the Federal Aviation Administration (FAA) will be involved. Expect a preliminary report within a few weeks, a factual report much later, and a probable-cause finding after that. Anyone claiming to know the cause now is guessing.

About the Aircraft and the Operator

The de Havilland Canada DHC-3 Otter is a design that dates to the early 1950s: single engine, high wing, big and honest, built for exactly this kind of work. Originally a radial-piston airplane, most Otters flying commercially today - including those in the Pacific Northwest - have been converted to turbine power, with floats underneath and a cabin seating a pilot and about ten passengers.

Kenmore Air has been flying floatplanes out of the Seattle area since just after the Second World War - roughly 80 years. Its operation is built around water flying in Puget Sound and up through the San Juans: scheduled service, charter, and flightseeing.

Experience is a safety system, not a guarantee. An operation that has flown those exact waters, routes, and airplanes for generations builds up something that cannot be bought or rushed. When eleven people walk away, part of that survival was purchased years earlier in training standards, maintenance discipline, and hard lessons other crews paid for.

Why This Matters for Pilots: The First 60 Seconds

Here is the uncomfortable truth about float flying. Getting the airplane onto the water is often the survivable part. What happens in the sixty seconds after is what writes the ending.

Floats are buoyant - they want to float. If an airplane strikes hard, catches a float, or noses over and ends up inverted, that buoyant structure on the belly holds the cabin under the surface. Now the occupants are hanging in their straps, disoriented, in cold water, in a flooded cabin, and they have to get out.

That scenario is the entire reason underwater egress training exists.

How to Escape a Sunken or Inverted Floatplane

Egress training teaches three actions, done in order and by feel, because you will not be able to see:

Reference. Grab a fixed point first - usually the door frame or handle.
Release. Only after you have that reference in hand, release your restraint. Never let go of the belt before you have a handhold, or you lose all sense of up and down.
Out. Follow the reference to the exit and pull yourself through.

Then, and only then, inflate.

Never inflate a life vest inside the cabin. This is the single mistake that has killed people who otherwise would have lived. An inflated vest pins you to the ceiling of an upside-down cabin and turns an exit you could have made into one you can’t. Inflate only once you are clear of the structure and on your way to the surface.

The Cold Water Problem in the Salish Sea

The San Juans sit in cold, tidal, moving water, and even in summer the Salish Sea does not warm up the way people expect. Cold water pulls heat from a body many times faster than cold air.

Cold shock in the first minute triggers an involuntary gasp reflex - exactly the wrong response with your face near the surface. Then your hands stop working, and the fine motor skills you need to work a buckle or latch degrade fast. That is why egress must be trained to the point of reflex: so you run a program you don’t have to think about, at the exact moment thinking becomes hard.

“Accounted for” means someone got a headcount and matched people against a manifest - located on the water, on shore, or on a rescue boat. In that environment, on that water, that is a genuinely good outcome, and it did not come free.

What Every Pilot Should Take Away - Even If You Never Fly Floats

Most pilots don’t fly floats, but the lesson generalizes hard. If any leg of your flying touches water - even a familiar crossing - ask the honest questions:

Do you have a plan for the ditching, or just a hope?
Do you carry flotation, do you know how it works, and could you deploy it with cold, wet, panicked hands in the dark?
Have you briefed passengers on the door, the belt, and the exit - in that order? Not the airline speech. The real one: reference first, belt second, out third.

The accident record is consistent: survivors of water egress are almost never the ones who improvised. They are the ones who ran a procedure - and you cannot invent a procedure while you’re upside down and flooding. You have to bring it with you. This is why seaplane operators run crews through dunk-tank egress training; nearly every float pilot gets it wrong the first time they go inverted, which is exactly the point.

The Bigger Industry Picture

Floatplanes fill a specific niche in Alaska, the Pacific Northwest, the upper Midwest lakes, parts of the Northeast, and Florida. In many of those places the floatplane isn’t recreation - it’s transportation to the island, the lodge, the village, or the job. Kenmore’s San Juan service is exactly that: point to point, over water, where a runway is a luxury.

The FAA and NTSB have both pushed hard on this segment over the years - focused attention on seaplane egress, flotation requirements, and survivability equipment in commercial float operations. Much of that came out of accidents that ended far worse than this one. The reason this accident may end as a survival story is, in part, because the system already absorbed those lessons and turned them into requirements and training.

Three Things to Carry Into Your Next Flight

First: If any leg touches water, treat egress as a memory item, not a concept - Reference. Release. Out. Then inflate. Brief it out loud before you launch, and brief passengers if you carry them. Thirty seconds; the cheapest insurance in aviation.

Second: Look at your flotation honestly. When did you last handle your raft or vests? Do you know by feel where the toggle is? Gear you can’t operate in the worst sixty seconds of your life is decoration, not equipment.

Third - water or not: A survivable outcome starts with flying the airplane all the way to the surface under control, at the slowest safe speed, wings level, in the most survivable attitude you can manage. Energy is what hurts you. A controlled arrival at minimum energy is the difference between an accident you walk away from and one you don’t - and that option starts with a departure plan you’ve actually thought through.

What Happens Next

The NTSB investigation is just beginning. A preliminary report is likely within a few weeks, laying out the facts as known without assigning a cause. Factual and final reports will follow later. The purpose is not blame - it’s the next crew, and the one after that.

Key Takeaways

All 11 aboard - 10 passengers and the pilot - survived the Kenmore Air DHC-3 Otter crash in the San Juan Islands; the cause is not yet established.
In a floatplane accident, the first 60 seconds after the airplane stops determine survival - buoyant floats can hold an inverted cabin underwater.
The egress procedure is Reference, Release, Out - then inflate; never inflate a life vest inside the cabin.
Cold water in the Salish Sea triggers gasp reflex and rapid loss of hand function, so egress must be trained to reflex.
The NTSB will issue a preliminary report within a few weeks; a probable cause will come much later.