# N66JH: 1999 Hess John L SPEZIO II, registration cancelled 2012-10-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 3, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hess John L SPEZIO II](https://openairdocs.org/model/hess-john-l-spezio-ii) (registry code 05604S0)
- Engine: [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series) (registry code 41509)
- Data sheets: [TCDS 1E12](https://openairdocs.org/tcds/1E12) (OpenAirDocs)
- Serial number: 001
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 19, 1999
- Certificate issued: July 2, 2008
- Last registry action: July 2, 2008
- Mode S code: A8B2B0
- Owners when cancelled: [Hannagan Michael F](https://openairdocs.org/faa-owner/HANNAGAN%20MICHAEL%20F), [Hannagan Ann L](https://openairdocs.org/faa-owner/HANNAGAN%20ANN%20L)
- Location: [Endicott, NY](https://openairdocs.org/faa-place/NY/Endicott)
- Owner type: Co-owned
- Owner's area on the map: 42.1333° N, 76.0846° W: Placed by OpenAirDocs at the center of ZIP code 13760, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N66JH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66JH
- Page: https://openairdocs.org/deregistered/N66JH-2012-10-03

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 Hess John L SPEZIO II: https://openairdocs.org/model/hess-john-l-spezio-ii.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 ERA09LA098](https://openairdocs.org/ntsb/ERA09LA098), Dec 18, 2008: Hess John L Spezio II (N66JH), Newville, PA, substantial damage. Probable cause: A loss of engine power due to carburetor ice as a result of the pilot's delayed use of carburetor heat.

## 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 20081218856109A](https://openairdocs.org/incident/20081218856109A), Dec 18, 2008: Hess SPEZIOII (N66JH), Upper Mifflin, PA, Substantial damage. The subject aircraft was on a VFR flight from (czg) endicott, NY, to (N94) carlisle, PA. During cruise at 1000 feet AGL, 20 miles west of (N94) the engine…

## Other aircraft with N66JH

- [Registered now](https://openairdocs.org/aircraft/N66JH): Alexander Gilbert W VANS RV-6A, S/N 20701, built 2017
- [Cancelled 1994-08-19](https://openairdocs.org/deregistered/N66JH-1994-08-19): Bell 206B, S/N 2831. N-number assigned, not yet registered

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