# N4388U: 1992 Gering Paul E/Quad City CHALLENGER II SPEC, registration cancelled 2013-06-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 4, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Gering Paul E/Quad City CHALLENGER II SPEC](https://openairdocs.org/model/gering-paul-e-quad-city-challenger-ii-spec) (registry code 056763B)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH20890CW0556
- Year built: 1992
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 1, 1992
- Certificate issued: March 10, 1999
- Last registry action: March 18, 2008
- Mode S code: A54459
- Owner when cancelled: [Gearheart Steven R](https://openairdocs.org/faa-owner/GEARHEART%20STEVEN%20R)
- Location: [Montpelier, IN](https://openairdocs.org/faa-place/IN/Montpelier)
- Owner type: Individual
- Owner's area on the map: 40.5522° N, 85.2865° W: Placed by OpenAirDocs at the center of ZIP code 47359, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4388U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4388U
- Page: https://openairdocs.org/deregistered/N4388U-2013-06-04

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 Gering Paul E/Quad City CHALLENGER II SPEC: https://openairdocs.org/model/gering-paul-e-quad-city-challenger-ii-spec.md

## Other aircraft with N4388U

- [Cancelled 1990-10-30](https://openairdocs.org/deregistered/N4388U-1990-10-30): Piper PA-28RT-201T, S/N 28R8531006. Exported to Netherlands
- [Cancelled 1964-04-10](https://openairdocs.org/deregistered/N4388U-1964-04-10): Cessna 150D, S/N 15060388. Exported to Pakistan. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

---
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.
