# N733CK: Cessna 172N, registration cancelled 2000-03-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 30, 2000
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12) (OpenAirDocs)
- Serial number: 17268189
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 16, 1984
- Last registry action: February 16, 2000
- Mode S code: A9D66C
- Owner when cancelled: [Estock Robert A](https://openairdocs.org/faa-owner/ESTOCK%20ROBERT%20A)
- Location: [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)
- Owner type: Individual
- Owner's area on the map: 39.6516° N, 105.0397° W: Placed by OpenAirDocs at the center of ZIP code 80236, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N733CK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=733CK
- Page: https://openairdocs.org/deregistered/N733CK-2000-03-30

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 172N: https://openairdocs.org/model/cessna-172n.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 DEN99LA135](https://openairdocs.org/ntsb/DEN99LA135), Aug 4, 1999: Cessna 172N (N733CK), Englewood, CO, substantial damage. Probable cause: The unforecasted sudden wind change, and the pilot's failure to maintain aircraft control. A factor was the down sloping terrain next to the runway.

## FAA accident and incident reports (2)

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 19990804047179A](https://openairdocs.org/incident/19990804047179A), Aug 4, 1999: Cessna 172N (N733CK), Denver, CO, Substantial damage. (.4)The student pilot was in the landing flare when the wind shifted from the left tailwind to a right tailwind. He said that the wing velocity suddenly…
- [Incident 19790920024049I](https://openairdocs.org/incident/19790920024049I), Sep 20, 1979: Cessna 172N (N733CK), Castle Rock, CO, Minor damage. Airplane hit something in flight, dent in right wing. Suspect possible "blue ice".

## Other aircraft with N733CK

- [Registered now](https://openairdocs.org/aircraft/N733CK): Boeing 737-436, S/N 25849, built 1992

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