# N921ST: 1974 Aero Commander 690A, registration cancelled 2019-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2019
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Aero Commander 690A](https://openairdocs.org/model/aero-commander-690a) (registry code 0141722)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4) (OpenAirDocs)
- Serial number: 11200
- Year built: 1974
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: September 19, 1974
- Certificate issued: February 20, 2015
- Last registry action: November 16, 2017
- Mode S code: ACC383
- Owner when cancelled: [Rodney William Debaun Family Lp](https://openairdocs.org/faa-owner/RODNEY%20WILLIAM%20DEBAUN%20FAMILY%20LP)
- Location: [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian)
- Owner type: Partnership
- Owner's area on the map: 32.4682° N, 96.9907° W: Placed by OpenAirDocs at the center of ZIP code 76065, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N921ST
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=921ST
- Page: https://openairdocs.org/deregistered/N921ST-2019-01-22

From the FAA registry file of October 31, 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 Aero Commander 690A: https://openairdocs.org/model/aero-commander-690a.md

## Service difficulty reports (2)

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

- [SDR E27R730](https://openairdocs.org/sdr/E27R730), Jan 22, 2001: CHANNEL. FAILED. DURING PRESSURIZATION LEAK CHECKS, THE CABIN WAS FOUND TO HAVE TWO LARGE LEAKS IN THE LEFT AND RIGHT WING ROOT AREA. ON EXAMINATION OF THE SUSPECT AREAS IT WAS 
- [SDR E27R1730](https://openairdocs.org/sdr/E27R1730), Jan 12, 2001: CHANNEL. CRACKED. DURING PRESSURAZATION LEAK CHECKS, THE CABIN WAS FOUND TO HVE TWO LARGE LEAKS IN LT AND RT WING ROOT AREA. ON EXAM OF THE SUSPECT AREAS IT WAS FOUND THAT THE LT

---
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.