# N37558: Douglas DC-6B, registration cancelled 1968-06-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 1, 1968
- Status when cancelled: Valid registration
- 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: 43300
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 12, 1952
- Mode S code: A44986
- Owner when cancelled: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37558
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37558
- Page: https://openairdocs.org/deregistered/N37558-1968-06-01

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

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB UNK64X1622](https://openairdocs.org/ntsb/UNK64X1622), May 4, 1964: Douglas DC-6B (N37558), Rochester, NY, substantial damage

## Other aircraft with N37558

- [Cancelled 1980-10-17](https://openairdocs.org/deregistered/N37558-1980-10-17): Williams VARI-VIGGEN, S/N 142. Owner: [Williams Herman R](https://openairdocs.org/faa-owner/WILLIAMS%20HERMAN%20R), [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.