N411KS

1973 Bell 206B

Helicopter · serial 1128

Valid registration

Registered with the FAA until Apr 30, 2031.

Registered owner

Northwest Helicopters LLC

Owner type: LLC
Address: 1000 85th Ave Se, Olympia, WA 98501
Fleet: 48 aircraft registered to this owner

Aircraft

Make and model: Bell 206B
Year built: 1973
Serial number: 1128
Type: Helicopter · Land
Engines: 1 × Turboshaft · Allison 250 SER 400HP · 400 hp
Seats: 5
Weight class: Up to 12,499 lb
Certification: Type certificated · Standard airworthiness (issued Aug 20, 1973)
Mode S code: A4D8C9 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Apr 10, 2024 · last FAA action Apr 10, 2024

What a Bell 206 looks likePhoto of a Bell 206, not this aircraft: Mfield - Matthew Field, http://www.photography.mattfield.com, CC BY 2.5, via Wikimedia Commons

Check the official record

This page mirrors the FAA's public registry file dated Oct 30, 2026. The FAA's own N-number inquiry is the official record, with the full owner address and documents.

Where is it now?

The registry doesn't show where an aircraft is flying. Flight trackers do, by tail number or Mode S code A4D8C9: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

Something wrong?

Owners update their registration with the FAA Aircraft Registry; changes appear here the day after the FAA publishes them. Email admin@whoownsthisplane.com about how this site shows a record.