# N733SW: 1977 Cessna 172N, registration cancelled 2004-11-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 3, 2004
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434)
- 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: 17268521
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: January 28, 1977
- Certificate issued: September 4, 2001
- Last registry action: September 21, 2004
- Mode S code: A9D7D5
- Owner when cancelled: [Aeronautical Services Inc](https://openairdocs.org/faa-owner/AERONAUTICAL%20SERVICES%20INC)
- Location: [Friday Harbor, WA](https://openairdocs.org/faa-place/WA/Friday%20Harbor)
- Owner type: Corporation
- Owner's area on the map: 48.5538° N, 123.0859° W: Placed by OpenAirDocs at the center of ZIP code 98250, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N733SW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=733SW
- Page: https://openairdocs.org/deregistered/N733SW-2004-11-03

From the FAA registry file of October 28, 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

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 97ZZZX3333](https://openairdocs.org/sdr/97ZZZX3333), Dec 11, 1995: MAGNETO. TEETH SHEARED. TEETH ON DISTRIBUTOR GEAR WERE SHEARED CAUSING A SEVERE MAG DROP ON LEFT MAGNETO SIDE. CAUSE UNKNOWN. A MAGNETO LOCKING TOOL WAS NOT USED DURING INSTALLATIONS A

## 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 SEA02FA002](https://openairdocs.org/ntsb/SEA02FA002), Oct 3, 2001: Cessna 172N (N733SW), Decatur Island, WA, substantial damage, 3 fatal. Probable cause: The pilot's failure to maintain airspeed during a low altitude turn, resulting in a stall. The pilot exceeding the aircraft's maximum gross takeoff weight was a factor.

## 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 20011003027149A](https://openairdocs.org/incident/20011003027149A), Oct 3, 2001: Cessna 172N (N733SW), Dacaturisland, WA, No damage. (-23) Aircraft was departing to the north into rising terrain. Due to high winds the a/c was unable to climb. The a/c stalled and spun into tall dense timber.

## Other aircraft with N733SW

- [Cancelled 2026-03-16](https://openairdocs.org/deregistered/N733SW-2026-03-16): Beech F33A, S/N CE-1753, built 1993. Exported to Brazil. Owner: [Mob Aviation USA LLC(](https://openairdocs.org/faa-owner/MOB%20AVIATION%20USA%20LLC(), [Kissimmee, FL](https://openairdocs.org/faa-place/FL/Kissimmee)

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