Turbine helicopter

N631SD

2001 Eurocopter AS 350B-2 Turbine Helicopters

Registered 1 NTSB/FAA record
Built
2001
Serial
3389
Class
Turbine helicopter
Engines
Turbomeca ARRIEL 1SER
Status
Current as of October 2026
Registered owner
County of Oakland (Government)
Based
Pontiac, MI
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2001 Eurocopter AS 350B-2 Turbine Helicopters
Representative photo of a Eurocopter AS 350B-2 Turbine Helicopters. Not a photo of N631SD.
Registration record

N631SD on the FAA register

Type
2001 Eurocopter AS 350B-2 Turbine Helicopters (FAA: Eurocopter AS 350 B2)
Serial
3389
Engines
Turbomeca ARRIEL 1SER
Registered owner
County of Oakland
Pontiac, MI
Certificate issued
2001-10-19
Airworthiness date
2001-06-01
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
A84307
Mode S (octal)
52041407
Seats (type)
6
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2004-08-17
    Accident at New Hudson, MI; damage: substantial.
  • 2001-10-19
    Certificate of registration issued as N631SD.
  • 2001-06-01
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N631SD

N631SD is a 2001 Eurocopter AS 350B-2 Turbine Helicopters (FAA model AS 350 B2), serial number 3389. The FAA register lists County of Oakland as the registrant in Pontiac, Michigan. The current certificate of registration was issued on October 19, 2001 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Turbomeca ARRIEL 1SER engine and 6 seats. Its airworthiness certificate is standard category (normal), dated June 1, 2001.

N631SD has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2004-08-17 Accident · New Hudson, MI Damage: Substantial NTSB · CHI04CA233
Reported aircraft: Eurocopter AS 350 B2
Probable cause: The autorotation performed by the dual student and the delayed remedial action by the certified flight instructor.

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

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Other turbine helicopters on the register

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Browse: Eurocopter aircraft for sale· Aircraft registered in Michigan· 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.