# N998MK: 2012 Mark Klair MOSQUITO XET

- Status: Valid registration
- Airframe: [Mark Klair MOSQUITO XET](https://openairdocs.org/model/mark-klair-mosquito-xet) (registry code 056304R, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: MXE1112110B
- Year built: 2012
- Type: Rotorcraft
- Engine type: Turbo-prop
- Kit: Composite Fx MOSQUITO XET
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 31, 2012
- Certificate issued: May 17, 2022
- Expires: May 31, 2029
- Mode S code: ADF178
- Registered owner: [Kline William F E III](https://openairdocs.org/faa-owner/KLINE%20WILLIAM%20F%20E%20III)
- Location: [Sellersville, PA](https://openairdocs.org/faa-place/PA/Sellersville)
- Owner type: Individual
- Owner's area on the map: 40.3663° N, 75.3259° W: Placed by OpenAirDocs at the center of ZIP code 18960, 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=998MK
- Page: https://openairdocs.org/aircraft/N998MK

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 (Mark Klair MOSQUITO XET)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N998MK.

## FAA accident and incident reports

None matched to N998MK.

## 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 Mark Klair MOSQUITO XET aircraft: https://openairdocs.org/model/mark-klair-mosquito-xet/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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