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N411KSBell 206B · 1973

StandardAllison 250 SER 400HPOlympia, WA

Claim this aircraft

N411KS is a 1973 Bell 206B. It is a rotorcraft with 5 seats, powered by a Allison 250 SER 400HP rated at 400 horsepower. The registration is active, with the registrant based in Olympia, WA. Its standard airworthiness certificate was issued in Aug 1973. It has been registered to its current owner since Apr 2024.

53 years old
1 of 868 Bell 206B
No NTSB events on record

More like this:Bell 206B Aircraft in Washington Standard

2024

FAA record · Apr 2024 · Registration

Registered to current owner

Registered to Northwest Helicopters LLC. Registrant based in Olympia, WA.

1973

FAA record · Aug 1973 · Airworthiness

Airworthiness certificate issued — Standard

Manufacturer: Bell. Model 206B. Serial 1128.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N411KS's record changes.

More from Northwest Helicopters

FAA record

and 42 more registered to the same entity in WA.

Aircraft

ManufacturerBell

Model206B

Year1973

CategoryStandard

TypeRotorcraft

Serial1128

EngineAllison 250 SER 400HP

Horsepower400

Seats5

BasedOlympia, WA

RegistrantNorthwest Helicopters LLC

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

2024 — present

Northwest Helicopters LLC · Olympia, WA

Aug 1973

Airworthiness certificate issued

Owner locations generalized to city/state for privacy. Ownership lineage grows as TailWiki tracks daily FAA updates.

View earlier registration history

TailWiki has tracked this tail since Aug 2026. The FAA registry is a snapshot, not a history — earlier owners aren't in the public record. TailWiki reconstructs ownership changes by watching daily FAA updates going forward, so this section fills in the longer TailWiki runs.

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