# N521SA: Cessna 172H, registration cancelled 1977-07-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 7, 1977
- Status when cancelled: Valid registration
- Airframe: [Cessna 172H](https://openairdocs.org/model/cessna-172h) (registry code 2072424)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12) (OpenAirDocs)
- Serial number: 17254900
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 2, 1976
- Mode S code: A68E36
- Owner when cancelled: [Pfeiler Phil L](https://openairdocs.org/faa-owner/PFEILER%20PHIL%20L)
- Location: [Kanab, UT](https://openairdocs.org/faa-place/UT/Kanab)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N521SA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521SA
- Page: https://openairdocs.org/deregistered/N521SA-1977-07-07

From the FAA registry file of November 3, 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 172H: https://openairdocs.org/model/cessna-172h.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 DEN77DTM01](https://openairdocs.org/ntsb/DEN77DTM01), Oct 4, 1976: Cessna 172H (N521SA), Parowan, UT, 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 19761004031719A](https://openairdocs.org/incident/19761004031719A), Oct 4, 1976: Cessna 172H (N521SA), Parowan, UT, Substantial damage. 35FT p-line NE end rwy 22.evasive maneuver to avoid coyote and p-line. Landed long. Flaps full down.

## Other aircraft with N521SA

- [Cancelled 2021-05-08](https://openairdocs.org/deregistered/N521SA-2021-05-08): Air Elite STORM RALLY LSA, S/N R3-0US-0004, built 2011. Registration expired, pending cancellation. Owner: [Olson Harry](https://openairdocs.org/faa-owner/OLSON%20HARRY), [Franksville, WI](https://openairdocs.org/faa-place/WI/Franksville)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
