# N5656: 2002 Popov Boris/Northern Sun AVENTURA II

- Status: Valid registration
- Airframe: [Popov Boris/Northern Sun AVENTURA II](https://openairdocs.org/model/popov-boris-northern-sun-aventura-ii) (registry code 05612Y3, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: AP2A0099
- Year built: 2002
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Arnet Pereyra Inc AVENTURA II
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 26, 2002
- Certificate issued: October 27, 2025
- Expires: October 31, 2032
- Mode S code: A73CA7
- Registered owner: [Sirius Seaplanes LLC](https://openairdocs.org/faa-owner/SIRIUS%20SEAPLANES%20LLC)
- Location: [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- Owner type: LLC
- Owner's area on the map: 48.2306° N, 114.4033° W: Placed by OpenAirDocs at the center of ZIP code 59901, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5656
- Page: https://openairdocs.org/aircraft/N5656

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 (Popov Boris/Northern Sun AVENTURA II)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5656.

## FAA accident and incident reports

None matched to N5656.

## 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 N5656

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5656 before.

- [Cancelled 1999-02-25](https://openairdocs.org/deregistered/N5656-1999-02-25): Weber CA-65, S/N 1928. Triennial form not returned. Owner: [Owens Armal K](https://openairdocs.org/faa-owner/OWENS%20ARMAL%20K), [Redding, CA](https://openairdocs.org/faa-place/CA/Redding)

## Related

- Other Popov Boris/Northern Sun AVENTURA II aircraft: https://openairdocs.org/model/popov-boris-northern-sun-aventura-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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