# N736UN: Cessna R172K, registration cancelled 1989-05-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 1, 1989
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Cessna R172K](https://openairdocs.org/model/cessna-r172k) (registry code 2072431)
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17) (OpenAirDocs)
- Serial number: R1722800
- Type of aircraft: Fixed wing single engine
- Mode S code: A9E324
- The mark today: https://openairdocs.org/aircraft/N736UN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=736UN
- Page: https://openairdocs.org/deregistered/N736UN-1989-05-01

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 R172K: https://openairdocs.org/model/cessna-r172k.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 SEA80FA041](https://openairdocs.org/ntsb/SEA80FA041), Aug 11, 1980: Cessna R172K (N736UN), Renton, WA, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19800811036199A](https://openairdocs.org/incident/19800811036199A), Aug 11, 1980: Cessna R172K (N736UN), Renton, WA, Substantial damage. Testing new type of seaplane float attachment. Strut failed in high speed water turn. Rough water in area.

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