# N4399: 2005 Jannakos Gregory P ZODIAC 601 HDS, registration cancelled 2014-08-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 12, 2014
- Status when cancelled: Valid registration
- Airframe: [Jannakos Gregory P ZODIAC 601 HDS](https://openairdocs.org/model/jannakos-gregory-p-zodiac-601-hds) (registry code 056187I)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 6-4211
- Year built: 2005
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 24, 2005
- Certificate issued: February 16, 2005
- Last registry action: July 23, 2013
- Mode S code: A54820
- Owner when cancelled: [Jannakos Gregory P](https://openairdocs.org/faa-owner/JANNAKOS%20GREGORY%20P)
- Location: [Grayson, GA](https://openairdocs.org/faa-place/GA/Grayson)
- Owner type: Individual
- Owner's area on the map: 33.8887° N, 83.9637° W: Placed by OpenAirDocs at the center of ZIP code 30017, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4399
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4399
- Page: https://openairdocs.org/deregistered/N4399-2014-08-12

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 Jannakos Gregory P ZODIAC 601 HDS: https://openairdocs.org/model/jannakos-gregory-p-zodiac-601-hds.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 ERA14CA353](https://openairdocs.org/ntsb/ERA14CA353), Jul 23, 2014: Jannakos Gregory P Zodiac 601 HDS (N4399), Lawrenceville, GA, substantial damage. Probable cause: The pilot's inadequate flare, which resulted in a hard landing.

## 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 20140723014899A](https://openairdocs.org/incident/20140723014899A), Jul 23, 2014: Jannakos Gregory P ZODIAC 601 HDS (N4399), Lawrenceville, GA, Substantial damage. The pilot reported that at approximately 1300 hrs he was attempting a 2nd touch-and-go at Gwinnett county airport (lzu) runway 25. The weather was clear with…

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