# N284ST: 2025 AMD Air 300L

- Status: Valid registration
- Airframe: [AMD Air 300L](https://openairdocs.org/model/amd-air-300l) (registry code 05641PB, 4 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 2207
- Year built: 2025
- Type: Rotorcraft
- Engine type: Reciprocating
- Kit: Vertical Aviation Technologies HUMMINGBIRD 300L
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 1, 2025
- Certificate issued: March 24, 2023
- Expires: March 31, 2030
- Mode S code: A2DE79
- Registered owner: [Amd Air LLC](https://openairdocs.org/faa-owner/AMD%20AIR%20LLC)
- Location: [Milan, MO](https://openairdocs.org/faa-place/MO/Milan)
- Owner type: LLC
- Owner's area on the map: 40.1761° N, 93.1123° W: Placed by OpenAirDocs at the center of ZIP code 63556, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=284ST
- Page: https://openairdocs.org/aircraft/N284ST

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 (AMD Air 300L)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## 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 CEN26LA191](https://openairdocs.org/ntsb/CEN26LA191), May 16, 2026: Vertical Hummingbird (N284ST), Lee's Summit, MO, substantial damage, investigation ongoing

## 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 20260516009169A](https://openairdocs.org/incident/20260516009169A), May 16, 2026: Amd Air LLC 300L (N284ST), Lee'S Summit, MO, Substantial damage. Shortly after takeoff, the helicopter's engine suddenly increased in speed. At the same time, the helicopter immediately yawed to the left, and lost power and…

## 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 N284ST

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N284ST before.

- [Cancelled 2008-02-13](https://openairdocs.org/deregistered/N284ST-2008-02-13): Cessna 172M, S/N 17266104, built 1976. Exported to South Africa. Owner: [Sharman Enterprises Inc](https://openairdocs.org/faa-owner/SHARMAN%20ENTERPRISES%20INC), [Vacaville, CA](https://openairdocs.org/faa-place/CA/Vacaville)

## Related

- Other AMD Air 300L aircraft: https://openairdocs.org/model/amd-air-300l/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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