# N1637D: Cessna 170B, registration cancelled 1974-07-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 25, 1974
- Status when cancelled: Valid registration
- Airframe: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306)
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799) (OpenAirDocs)
- Serial number: 20279
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 22, 1960
- Mode S code: A10024
- Owner when cancelled: [Harris Lloyd / Robert Jansen](https://openairdocs.org/faa-owner/HARRIS%20LLOYD%20%2F%20ROBERT%20JANSEN)
- Location: [Rockford, IL](https://openairdocs.org/faa-place/IL/Rockford)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N1637D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1637D
- Page: https://openairdocs.org/deregistered/N1637D-1974-07-25

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 Cessna 170B: https://openairdocs.org/model/cessna-170b.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 CHI69D0504](https://openairdocs.org/ntsb/CHI69D0504), Feb 12, 1969: Cessna 170B (N1637D), Sterling, IL, substantial damage

## Other aircraft with N1637D

- [Registered now](https://openairdocs.org/aircraft/N1637D): Piper L-18C, S/N 18-1637, built 1952

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