# N99570: 1985 Cessna 172P, registration cancelled 2003-12-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 2, 2003
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (registry code 2072436)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 17276470
- Year built: 1985
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: August 14, 1985
- Certificate issued: August 19, 1997
- Last registry action: August 19, 2003
- Mode S code: ADE89C
- Owner when cancelled: [Hamilton Enterprises Corporation](https://openairdocs.org/faa-owner/HAMILTON%20ENTERPRISES%20CORPORATION)
- Location: [Austin, TX](https://openairdocs.org/faa-place/TX/Austin)
- Owner type: Corporation
- Owner's area on the map: 30.2964° N, 97.8080° W: Placed by OpenAirDocs at the center of ZIP code 78746, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N99570
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99570
- Page: https://openairdocs.org/deregistered/N99570-2003-12-02

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 172P: https://openairdocs.org/model/cessna-172p.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 FTW98LA212](https://openairdocs.org/ntsb/FTW98LA212), May 10, 1998: Cessna 172P (N99570), Georgetown, TX, substantial damage. Probable cause: inadequate supervision by the flight instructor (CFI), by failing to ensure that the student obtained and/or maintained sufficient airspeed, which led to an inadvertent stall and collision with the…

## 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 19980510008629A](https://openairdocs.org/incident/19980510008629A), May 10, 1998: Cessna 172P (N99570), Georgetown, TX, Substantial damage. Student held extreme nose high altitude on takeoff, stalling and landing hard instructor took controls too late. (-23) instructor & student practicing soft…

---
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.