# N21NB — LEARJET INC 45
> **2006** Fixed Wing Multi-Engine · Turbo-Fan · Owner: NORTHBOUND AIR LLC · FAYETTEVILLE, AR
## Aircraft
- **N-Number:** N21NB
- **Serial Number:** 2045
- **Manufacturer:** LEARJET INC
- **Model:** 45
- **Year manufactured:** 2006
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Turbo-Fan (02 engines)
- **Seats:** 012
- **Weight class:** CLASS 3
- **Mode S code (hex):** `A1B857`
## Owner
- **Name:** NORTHBOUND AIR LLC
- **Type of registrant:** LLC
- **Location:** FAYETTEVILLE, AR 727035189, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2024-01-23
- **Last action:** 2024-06-11
- **Expiration:** 2031-01-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21NB)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a1b857)
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