# N1851Z: 1981 Beech C23, registration cancelled 2003-11-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 14, 2003
- Status when cancelled: Triennial form not returned
- Airframe: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE) (OpenAirDocs)
- Serial number: M-2343
- Year built: 1981
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 2, 1981
- Certificate issued: September 20, 1991
- Last registry action: September 16, 2003
- Mode S code: A155D2
- Owners when cancelled: [University Of Illinois](https://openairdocs.org/faa-owner/UNIVERSITY%20OF%20ILLINOIS), [Board Of Trustees](https://openairdocs.org/faa-owner/BOARD%20OF%20TRUSTEES)
- Location: [Savoy, IL](https://openairdocs.org/faa-place/IL/Savoy)
- Owner type: Government
- Owner's area on the map: 40.0539° N, 88.2664° W: Placed by OpenAirDocs at the center of ZIP code 61874, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1851Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1851Z
- Page: https://openairdocs.org/deregistered/N1851Z-2003-11-14

From the FAA registry file of November 3, 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 Beech C23: https://openairdocs.org/model/beech-c23.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 97ZZZX4779](https://openairdocs.org/sdr/97ZZZX4779), Sep 24, 1997: LIFTER. BROKEN. TEAR DOWN REVEALED ALL LIFTER BODY HEADS BROKEN OFF AT CAM CONTACT POINT. BROKEN PIECES THEN LODGED BETWEEN CAM LOBES AND ENGINE CASE RESULTING IN THE ENGINE CA
- [SDR 95ZZZX1355](https://openairdocs.org/sdr/95ZZZX1355), Mar 7, 1995: VALVE. LOOSE CRIMP NUT. WHILE COMPLYING WITH LYCOMING SB 518A FOUND CRIMP NUT LOOSE AS SHOWN IN STEP 2 OF BULLETIN. SUBMITTER SUGGESTS CRIMP NUT LOOSE DUE TO POOR DESIGN.

## 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 CHI97LA299](https://openairdocs.org/ntsb/CHI97LA299), Sep 24, 1997: Beech C23 (N1851Z), Champaign, IL, substantial damage. Probable cause: an undetermined engine and/or oil system failure that resulted in an oil leak and subsequent loss of engine power. A related factor was: high vegetation (corn crop) in the emergency landing area.

## 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 19970924028939A](https://openairdocs.org/incident/19970924028939A), Sep 24, 1997: Beech C23 (N1851Z), Champaign-Urban, IL, Substantial damage. Lost power on final. Crash landed. (.4)the instructor pilot (CFI) said that they were 4 miles from the airport, and in radio contact with the control tower,…

## Other aircraft with N1851Z

- [Registered now](https://openairdocs.org/aircraft/N1851Z): Shield Ai V-BAT, S/N VB-100127

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