Turbine helicopter

N407KS

2008 Bell 407 GX Turbine Helicopters

Registered 1 NTSB/FAA record
Built
2008
Serial
53812
Class
Turbine helicopter
Engines
Rolls-Royce 250-C47B
Status
Current as of October 2026
Registered owner
King County Sheriffs Office (Government)
Based
Seattle, WA
2008 Bell 407 GX Turbine Helicopters
Representative photo of a Bell 407 GX Turbine Helicopters. Not a photo of N407KS.
Registration record

N407KS on the FAA register

Type
2008 Bell 407 GX Turbine Helicopters
Serial
53812
Engines
Rolls-Royce 250-C47B
Registered owner
King County Sheriffs Office
Seattle, WA
Certificate issued
2008-09-17
Airworthiness date
2008-01-17
Registration expires
2028-04-30
Airworthiness class
Standard · normal
Mode S (hex)
A4C794
Mode S (octal)
51143624
Seats (type)
8
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-04-30
    Registration expires (renewal due).
  • 2012-12-28
    Accident at Renton, WA; damage: substantial.
  • 2008-09-17
    Certificate of registration issued as N407KS.
  • 2008-01-17
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N407KS

N407KS is a 2008 Bell 407 GX Turbine Helicopters, serial number 53812. The FAA register lists King County Sheriffs Office as the registrant in Seattle, Washington. The current certificate of registration was issued on September 17, 2008 and expires on April 30, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Rolls-Royce 250-C47B engine and 8 seats. Its airworthiness certificate is standard category (normal), dated January 17, 2008.

N407KS has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2012-12-28 Accident · Renton, WA Damage: Substantial NTSB · WPR13TA081
Reported aircraft: Bell Helicopter Textron Canada 407
Probable cause: The pilot's failure to maintain helicopter control during takeoff from an unstable landing platform. Contributing to the accident was the operator's inadequate chocking procedures for the wheeled landing platform, which included chocking only two of the platforms four rear wheels and led to the platform's instability.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Bell aircraft for sale· Bell 407 GX Turbine Helicopters overview· Aircraft registered in Washington· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.