# N109MX: 1989 Agusta A109C, registration cancelled 2008-06-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 17, 2008
- Status when cancelled: Triennial form not returned
- Airframe: [Agusta A109C](https://openairdocs.org/model/agusta-a109c) (registry code 0260118)
- Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020)
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Serial number: 7604
- Year built: 1989
- Type of aircraft: Rotorcraft
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: September 23, 1998
- Certificate issued: April 26, 2002
- Last registry action: April 15, 2008
- Mode S code: A0274C
- Owner when cancelled: [Oak Brook Aviation Leasing LLC](https://openairdocs.org/faa-owner/OAK%20BROOK%20AVIATION%20LEASING%20LLC)
- Location: [Oak Brook, IL](https://openairdocs.org/faa-place/IL/Oak%20Brook)
- Owner type: Corporation
- Owner's area on the map: 41.8364° N, 87.9532° W: Placed by OpenAirDocs at the center of ZIP code 60523, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N109MX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=109MX
- Page: https://openairdocs.org/deregistered/N109MX-2008-06-17

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 Agusta A109C: https://openairdocs.org/model/agusta-a109c.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 CHI03FA060](https://openairdocs.org/ntsb/CHI03FA060), Jan 29, 2003: Agusta A109C (N109MX), West Chicago, IL, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain control of the helicopter while maneuvering, resulting in the excessive descent rate and impact with terrain. Factors to the accident included the dark night, low…

## 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 20030128002689A](https://openairdocs.org/incident/20030128002689A), Jan 28, 2003: Agusta A109C (N109MX), West Chicago, IL, Destroyed, 1 fatal. (-23) The helicopter departed dupage airfield after refueling and reported to the tower he wanted to check some instruments. After 4 to 5 minutes, the…

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