# N7938X: 1961 Cessna 172B, registration cancelled 2018-04-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 6, 2018
- Status when cancelled: Revoked, canceled
- Airframe: [Cessna 172B](https://openairdocs.org/model/cessna-172b) (registry code 2072406)
- Engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS E-253](https://openairdocs.org/tcds/E-253) (OpenAirDocs)
- Serial number: 17248438
- Year built: 1961
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: April 15, 1968
- Last registry action: January 14, 1977
- Mode S code: AAC6B0
- Owner when cancelled: [Johnson Douglas C](https://openairdocs.org/faa-owner/JOHNSON%20DOUGLAS%20C)
- Location: [San Lorenzo, CA](https://openairdocs.org/faa-place/CA/San%20Lorenzo)
- Owner type: Individual
- Owner's area on the map: 37.6780° N, 122.1334° W: Placed by OpenAirDocs at the center of ZIP code 94580, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7938X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7938X
- Page: https://openairdocs.org/deregistered/N7938X-2018-04-06

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 Cessna 172B: https://openairdocs.org/model/cessna-172b.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 OAK69A0016](https://openairdocs.org/ntsb/OAK69A0016), Sep 5, 1968: Cessna 172B (N7938X), Niles, CA, destroyed, 4 fatal

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