# N500MK: 1946 Beech D18S, registration cancelled 2017-03-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 24, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Beech D18S](https://openairdocs.org/model/beech-d18s) (registry code 1151004)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765) (OpenAirDocs)
- Serial number: A-216
- Year built: 1946
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Special flight permit
- Airworthiness date: August 30, 2002
- Certificate issued: April 16, 2001
- Last registry action: January 20, 2009
- Mode S code: A63B0D
- Owner when cancelled: [Aerial Surveys Inc](https://openairdocs.org/faa-owner/AERIAL%20SURVEYS%20INC)
- Location: [Condord, MA](https://openairdocs.org/faa-place/MA/Condord)
- Owner type: Corporation
- Owner's area on the map: 42.4629° N, 71.3645° W: Placed by OpenAirDocs at the center of ZIP code 01742, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N500MK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=500MK
- Page: https://openairdocs.org/deregistered/N500MK-2017-03-24

From the FAA registry file of November 7, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Beech D18S: https://openairdocs.org/model/beech-d18s.md

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2007FA0000410](https://openairdocs.org/sdr/2007FA0000410), Jan 10, 2007: TUBE. BROKEN. THIS IS THE THIRD NEW MFG INNER TUBE THAT HAS SPLIT ALONG CIRCUMFERENTIAL WELDED SEAMS.

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