# N4040B: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: January 16, 2019
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4040B
- Page: https://openairdocs.org/aircraft/N4040B

## Aircraft that carried N4040B

- [Cancelled 2019-01-16](https://openairdocs.org/deregistered/N4040B-2019-01-16): Balloon Works FIREFLY 7, S/N 7811, built 1978. Registration expired, pending cancellation. Owner: [Firth Leonard F](https://openairdocs.org/faa-owner/FIRTH%20LEONARD%20F), [Brookshire, TX](https://openairdocs.org/faa-place/TX/Brookshire)
- [Cancelled 1970-07-27](https://openairdocs.org/deregistered/N4040B-1970-07-27): Dehavilland DH104 DOVE 6A, S/N 04328. Owner: [Catalina-Vegas Airlines](https://openairdocs.org/faa-owner/CATALINA-VEGAS%20AIRLINES), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)

## NTSB investigations on N4040B (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 OAK69A0021](https://openairdocs.org/ntsb/OAK69A0021), Oct 8, 1968: Dehavilland DH-104 (N4040B), Las Vegas, NV, destroyed, 4 fatal

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