# N996DM: 1958 Douglas DC-6B, registration cancelled 2013-07-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 11, 2013
- Exported to: Austria
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712)
- Engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026)
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4) (OpenAirDocs)
- Serial number: 45563
- Year built: 1958
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, transport
- Airworthiness date: April 5, 2005
- Certificate issued: August 29, 2011
- Last registry action: August 29, 2011
- Mode S code: ADE944
- Owner when cancelled: [Aircraft Guaranty Corp - Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20-%20TRUSTEE)
- Location: [Onalaska, TX](https://openairdocs.org/faa-place/TX/Onalaska)
- Owner type: Corporation
- Owner's area on the map: 30.8462° N, 95.1175° W: Placed by OpenAirDocs at the center of ZIP code 77360, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N996DM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=996DM
- Page: https://openairdocs.org/deregistered/N996DM-2013-07-11

From the FAA registry file of October 29, 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 Douglas DC-6B: https://openairdocs.org/model/douglas-dc-6b.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 2005FA0001436](https://openairdocs.org/sdr/2005FA0001436), Oct 15, 2005: EXHAUST VALVE. STICKING. ENGINE EXHAUST VALVE STICKING (5 TIMES) MOST LIKELY CAUSED BY OIL. THE MFG ADDITIVE IN CONTACT WITH LEAD ON THE VALVE STEM CAUSES EXCESSIVE PHOSPHOR BUILDUP AND

## Other aircraft with N996DM

- [Registered now](https://openairdocs.org/aircraft/N996DM): Zipline International P2 ZIP, S/N 18735P2384

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