# N511AC: Douglas DC-6B, registration cancelled 1991-03-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 25, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712)
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4) (OpenAirDocs)
- Serial number: 45515
- Type of aircraft: Fixed wing multi engine
- Certificate issued: April 30, 1984
- Last registry action: January 31, 1991
- Mode S code: A66529
- Owner when cancelled: [Atkins Aviation Inc](https://openairdocs.org/faa-owner/ATKINS%20AVIATION%20INC)
- Location: [Mcallen, TX](https://openairdocs.org/faa-place/TX/Mcallen)
- Owner type: Corporation
- Owner's area on the map: 26.1608° N, 98.2451° W: Placed by OpenAirDocs at the center of ZIP code 78503, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N511AC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=511AC
- Page: https://openairdocs.org/deregistered/N511AC-1991-03-25

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

## Other aircraft with N511AC

- [Registered now](https://openairdocs.org/aircraft/N511AC): Airbus Helicopters EC225 LP, S/N 2681

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