# N781LL: Bell 206L, registration cancelled 2004-10-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 21, 2004
- Exported to: Canada
- Status when cancelled: Triennial form not returned
- Airframe: [Bell 206L](https://openairdocs.org/model/bell-206l) (registry code 1181522)
- Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020)
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Serial number: 45079
- Type of aircraft: Rotorcraft
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: October 28, 1987
- Certificate issued: May 25, 1977
- Last registry action: March 18, 2003
- Mode S code: AA9542
- Owners when cancelled: [State Of Illinois](https://openairdocs.org/faa-owner/STATE%20OF%20ILLINOIS), [Department Of Transportation](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20TRANSPORTATION), [Division Of Aeronautics](https://openairdocs.org/faa-owner/DIVISION%20OF%20AERONAUTICS)
- Location: [Springfield, IL](https://openairdocs.org/faa-place/IL/Springfield)
- Owner type: Government
- Owner's area on the map: 39.8555° N, 89.6501° W: Placed by OpenAirDocs at the center of ZIP code 62707, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N781LL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=781LL
- Page: https://openairdocs.org/deregistered/N781LL-2004-10-21

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 Bell 206L: https://openairdocs.org/model/bell-206l.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 96ZZZX1802](https://openairdocs.org/sdr/96ZZZX1802), Feb 14, 1996: ENGINE. MAKING METAL. HEAVY METAL CONTAMINATION ON UPPER AND LOWER CHIP PLUGS. METAL FOUND IN NICAD EXTERNAL OIL FILTER ALSO. ALL CONTAMINATION WAS FERROUS METAL.
- [SDR 95ZZZX6198](https://openairdocs.org/sdr/95ZZZX6198), Oct 5, 1995: COMBUSTION CASE. CRACKED. INVESTIGATION FOR LOSS OF POWER AND HIGH T.O.T., FOUND COMBUSTION CASE CRACKED.

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