# N441MD — CESSNA 441
> **1979** Fixed Wing Multi-Engine · Turbo-Prop · Owner: KEYSTONE AERIAL SURVEYS INC · PHILADELPHIA, PA
## Aircraft
- **N-Number:** N441MD
- **Serial Number:** 441-0103
- **Manufacturer:** CESSNA
- **Model:** 441
- **Year manufactured:** 1979
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Turbo-Prop (02 engines)
- **Seats:** 010
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A54F6B`
## Owner
- **Name:** KEYSTONE AERIAL SURVEYS INC
- **Type of registrant:** Corporation
- **Location:** PHILADELPHIA, PA 191140559, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2019-09-14
- **Last action:** 2023-09-02
- **Expiration:** 2029-09-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=441MD)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a54f6b)
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