# N402BN: 2015 Latitude Engineering HQ-40

- Status: Valid registration
- Airframe: [Latitude Engineering HQ-40](https://openairdocs.org/model/latitude-engineering-hq-40) (registry code 061011I)
- Engine: [Power 4 FL B29I](https://openairdocs.org/engine/power-4-fl-b29i) (registry code 61716)
- Serial number: 0006
- Year built: 2015
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, unmanned, research and development
- Airworthiness date: August 24, 2017
- Certificate issued: February 17, 2016
- Expires: February 28, 2029
- Mode S code: A4B435
- Registered owner: [Latitude Engineering LLC](https://openairdocs.org/faa-owner/LATITUDE%20ENGINEERING%20LLC)
- Location: [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson)
- Owner type: LLC
- Owner's area on the map: 32.2462° N, 110.9488° W: Placed by OpenAirDocs at the center of ZIP code 85719, 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=402BN
- Page: https://openairdocs.org/aircraft/N402BN

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 (Latitude Engineering HQ-40)

None in force.

### Matched by engine (Power 4 FL B29I)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N402BN.

## FAA accident and incident reports

None matched to N402BN.

## 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 Latitude Engineering HQ-40 aircraft: https://openairdocs.org/model/latitude-engineering-hq-40/aircraft.md
- The Power 4 FL B29I engine: https://openairdocs.org/engine/power-4-fl-b29i.md

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