# N91728: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: October 20, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91728
- Page: https://openairdocs.org/aircraft/N91728

## Aircraft that carried 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)
- [Cancelled 1975-05-05](https://openairdocs.org/deregistered/N91728-1975-05-05): Ryan NAVION, S/N NAV4186. Owner: [Wilder Tudor DBA Wilder Grain Co](https://openairdocs.org/faa-owner/WILDER%20TUDOR%20DBA%20WILDER%20GRAIN%20CO), [Cedar Rapids, IA](https://openairdocs.org/faa-place/IA/Cedar%20Rapids)

## NTSB investigations on N91728 (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 on N91728 (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.

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