# N7YE: 2005 Hester Walker WH4 HARPOON

- Status: Valid registration
- Airframe: [Hester Walker WH4 HARPOON](https://openairdocs.org/model/hester-walker-wh4-harpoon) (registry code 05620M2, 4 seats)
- Engine: [Walter 601D](https://openairdocs.org/engine/walter-601d) (registry code 64005)
- Serial number: 0004
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 10, 2005
- Certificate issued: September 8, 2016
- Expires: September 30, 2029
- Mode S code: A95207
- Registered owner: [Modular Solutions Inc](https://openairdocs.org/faa-owner/MODULAR%20SOLUTIONS%20INC)
- Location: [Kinston, NC](https://openairdocs.org/faa-place/NC/Kinston)
- Owner type: Corporation
- Owner's area on the map: 35.2274° N, 77.6359° W: Placed by OpenAirDocs at the center of ZIP code 28504, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7YE
- Page: https://openairdocs.org/aircraft/N7YE

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Hester Walker WH4 HARPOON)

None in force.

### Matched by engine (Walter 601D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N7YE.

## NTSB investigations on N7YE not matched to an aircraft (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 LAX88DUD01](https://openairdocs.org/ntsb/LAX88DUD01), Jul 23, 1988: Ferris VARI-EZE (N7YE), Hawthorne, CA, substantial damage

## FAA accident and incident reports

None matched to N7YE.

## Reports on N7YE not matched to an aircraft (1)

They name N7YE, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19880723034919A](https://openairdocs.org/incident/19880723034919A), Jul 23, 1988: Amtrru VARIEZE (N7YE), Hawthorne, CA, Substantial damage. Struck an approach light on final. Dragged a wing on runway and flipped inverted. Basic skill level possible factor

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N7YE

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7YE before.

- [Cancelled 2009-07-13](https://openairdocs.org/deregistered/N7YE-2009-07-13): Eaa Aviation Foundation VANS RV-6A, S/N 3315, built 2000. Triennial form not returned. Owner: [Experimental Aircraft Association Inc](https://openairdocs.org/faa-owner/EXPERIMENTAL%20AIRCRAFT%20ASSOCIATION%20INC), [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)

## Related

- Other Hester Walker WH4 HARPOON aircraft: https://openairdocs.org/model/hester-walker-wh4-harpoon/aircraft.md
- The Walter 601D engine: https://openairdocs.org/engine/walter-601d.md

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