# N9521R: 1959 Beech K35, registration cancelled 1977-05-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 23, 1977
- Status when cancelled: Valid registration
- Airframe: [Beech K35](https://openairdocs.org/model/beech-k35) (registry code 1151524)
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15) (OpenAirDocs)
- Serial number: D-6079
- Year built: 1959
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 17, 1974
- Mode S code: AD3EA0
- Owner when cancelled: [Grothe Egon E](https://openairdocs.org/faa-owner/GROTHE%20EGON%20E)
- Location: [Green Bay, WI](https://openairdocs.org/faa-place/WI/Green%20Bay)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9521R
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9521R
- Page: https://openairdocs.org/deregistered/N9521R-1977-05-23

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 Beech K35: https://openairdocs.org/model/beech-k35.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 CHI77FEP19](https://openairdocs.org/ntsb/CHI77FEP19), Feb 19, 1977: Beech K35 (N9521R), Clintonville, WI, 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 19770219008779A](https://openairdocs.org/incident/19770219008779A), Feb 19, 1977: Beech K35 (N9521R), Clintonville, WI, Substantial damage

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