# N3990B: Boeing E75, registration cancelled 1970-06-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 23, 1970
- Status when cancelled: Valid registration
- Airframe: [Boeing E75](https://openairdocs.org/model/boeing-e75) (registry code 1380120)
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743) (OpenAirDocs)
- Serial number: 75-5223
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 17, 1965
- Mode S code: A4A692
- Owner when cancelled: [Irwin Frank A](https://openairdocs.org/faa-owner/IRWIN%20FRANK%20A)
- Location: [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3990B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3990B
- Page: https://openairdocs.org/deregistered/N3990B-1970-06-23

From the FAA registry file of November 5, 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 Boeing E75: https://openairdocs.org/model/boeing-e75.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 FTW69F0155](https://openairdocs.org/ntsb/FTW69F0155), Aug 27, 1968: Boeing E75 (N3990B), Mumford, TX, substantial damage, 1 fatal

## Other aircraft with N3990B

- [Cancelled 2011-03-15](https://openairdocs.org/deregistered/N3990B-2011-03-15): Lambert Ultralights STARFLIGHT DBL 1000, S/N 5006. Assigned, pending cancellation

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