# N21D — SMITH AEROSTAR 601P
> **1975** Fixed Wing Multi-Engine · Reciprocating · Owner: BITS REAL ESTATE LLC · FOSTER CITY, CA
## Aircraft
- **N-Number:** N21D
- **Serial Number:** 61P-0205-018
- **Manufacturer:** SMITH
- **Model:** AEROSTAR 601P
- **Year manufactured:** 1975
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Reciprocating (02 engines)
- **Seats:** 006
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A1B774`
## Owner
- **Name:** BITS REAL ESTATE LLC
- **Type of registrant:** LLC
- **Location:** FOSTER CITY, CA 944041308, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2024-05-01
- **Last action:** 2024-05-01
- **Expiration:** 2031-05-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21D)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a1b774)
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