# N843M: 1929 Boeing 40-B-4, registration cancelled 1934-12-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 1, 1934
- Status when cancelled: Valid registration
- Airframe: [Boeing 40-B-4](https://openairdocs.org/model/boeing-40-b-4) (registry code 1380101)
- Serial number: 1169
- Year built: 1929
- Type of aircraft: Fixed wing single engine
- Mode S code: AB8C11
- Owner when cancelled: [Obbink Mildred F](https://openairdocs.org/faa-owner/OBBINK%20MILDRED%20F)
- Location: [Santa Monica, CA](https://openairdocs.org/faa-place/CA/Santa%20Monica)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N843M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=843M
- Page: https://openairdocs.org/deregistered/N843M-1934-12-01

From the FAA registry file of November 3, 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 40-B-4: https://openairdocs.org/model/boeing-40-b-4.md

## Other aircraft with N843M

- [Cancelled 2010-03-30](https://openairdocs.org/deregistered/N843M-2010-03-30): Bell UH-1B, S/N 63-8676, built 1963. Triennial form not returned. Owner: [Avag Inc](https://openairdocs.org/faa-owner/AVAG%20INC), [Richvale, CA](https://openairdocs.org/faa-place/CA/Richvale)

---
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.
