# N37AK: 2003 Von Koschier Angelo HELICYCLE

- Status: Valid registration
- Airframe: [Von Koschier Angelo HELICYCLE](https://openairdocs.org/model/von-koschier-angelo-helicycle) (registry code 05615V8, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 006
- Year built: 2003
- Type: Rotorcraft
- Engine type: Reciprocating
- Kit: Eagle R & D Co LLC HELICYCLE
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 1, 2011
- Certificate issued: August 4, 2003
- Expires: April 30, 2028
- Mode S code: A4317C
- Registered owner: [Von Koschier Angelo](https://openairdocs.org/faa-owner/VON%20KOSCHIER%20ANGELO)
- Location: [Lynnfield, MA](https://openairdocs.org/faa-place/MA/Lynnfield)
- Owner type: Individual
- Owner's area on the map: 42.5345° N, 71.0386° W: Placed by OpenAirDocs at the center of ZIP code 01940, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37AK
- Page: https://openairdocs.org/aircraft/N37AK

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 (Von Koschier Angelo HELICYCLE)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N37AK.

## 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.

- [Incident 20231130021269I](https://openairdocs.org/incident/20231130021269I), Nov 30, 2023: Von Koschier Angelo HELICYCLE (N37AK), North Andover, MA, Substantial damage. While performing maintenance blade tracking hover check, aircraft drifted to the right causing the rotor blade to strike hangar door. Aircraft skid collapsed…

## 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.

## Related

- Other Von Koschier Angelo HELICYCLE aircraft: https://openairdocs.org/model/von-koschier-angelo-helicycle/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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