# N631SD — EUROCOPTER AS 350 B2
> **2001** Rotorcraft · Turbo-Shaft · Owner: COUNTY OF OAKLAND · PONTIAC, MI
## Aircraft
- **N-Number:** N631SD
- **Serial Number:** 3389
- **Manufacturer:** EUROCOPTER
- **Model:** AS 350 B2
- **Year manufactured:** 2001
- **Type:** Rotorcraft
- **Engine type:** Turbo-Shaft (01 engines)
- **Seats:** 006
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A84307`
## Owner
- **Name:** COUNTY OF OAKLAND
- **Type of registrant:** Government
- **Location:** PONTIAC, MI 48341, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2001-10-19
- **Last action:** 2023-05-26
- **Expiration:** 2028-07-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=631SD)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a84307)
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