# N91728: Ryan NAVION, registration cancelled 1975-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 1975
- Status when cancelled: Valid registration
- Airframe: [Ryan NAVION](https://openairdocs.org/model/ryan-navion) (registry code 6150160)
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782) (OpenAirDocs)
- Serial number: NAV4186
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 18, 1973
- Mode S code: ACB36B
- Owner when cancelled: [Wilder Tudor DBA Wilder Grain Co](https://openairdocs.org/faa-owner/WILDER%20TUDOR%20DBA%20WILDER%20GRAIN%20CO)
- Location: [Cedar Rapids, IA](https://openairdocs.org/faa-place/IA/Cedar%20Rapids)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N91728
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91728
- Page: https://openairdocs.org/deregistered/N91728-1975-05-05

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 Ryan NAVION: https://openairdocs.org/model/ryan-navion.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 MKC75FCD17](https://openairdocs.org/ntsb/MKC75FCD17), Sep 8, 1974: Ryan Navion (N91728), Monticello, IA, 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 19740908030449A](https://openairdocs.org/incident/19740908030449A), Sep 8, 1974: Navion NAVION* (N91728), Monticello, IA, Substantial damage. Inlet pump fitting leaking in thread area. Fitting aprd cross thread hvy amt thread lube apld.

## Other aircraft with N91728

- [Cancelled 2017-10-20](https://openairdocs.org/deregistered/N91728-2017-10-20): Piper PA-22-160, S/N 22-6137. Registration expired, pending cancellation. Owner: [Zabinski Ted W](https://openairdocs.org/faa-owner/ZABINSKI%20TED%20W), [Altamont, NY](https://openairdocs.org/faa-place/NY/Altamont)

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