# N9087A: Robison Keven H CHALLENGER II

- Status: Valid registration
- Airframe: [Robison Keven H CHALLENGER II](https://openairdocs.org/model/robison-keven-h-challenger-ii) (registry code 05630DT, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: CH209941214
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 29, 1995
- Certificate issued: June 2, 2025
- Expires: June 30, 2032
- Mode S code: AC9032
- Registered owners: [Taylor Nathan Alexander](https://openairdocs.org/faa-owner/TAYLOR%20NATHAN%20ALEXANDER), [Barton Brad D](https://openairdocs.org/faa-owner/BARTON%20BRAD%20D)
- Location: [Holladay, UT](https://openairdocs.org/faa-place/UT/Holladay)
- Owner type: Partnership
- Owner's area on the map: 40.6171° N, 111.6866° W: Placed by OpenAirDocs at the center of ZIP code 84121, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9087A
- Page: https://openairdocs.org/aircraft/N9087A

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 (Robison Keven H CHALLENGER II)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9087A.

## 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 19950801031679I](https://openairdocs.org/incident/19950801031679I), Aug 1, 1995: Amtrqc CHALLENGER2 (N9087A), Spanish Fork, UT, Minor damage. On climbout lost partial power. Tried land on road but used shoulder due traffic. No flight review. Cause unknown.

## 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 N9087A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9087A before.

- [Cancelled 1992-03-26](https://openairdocs.org/deregistered/N9087A-1992-03-26): Aircraft Parts & Dev. A-9B, S/N 5002. Triennial form not returned. Owner: [Elkmont Flying Service Inc](https://openairdocs.org/faa-owner/ELKMONT%20FLYING%20SERVICE%20INC), [Athens, AL](https://openairdocs.org/faa-place/AL/Athens)
- [Cancelled 1971-08-09](https://openairdocs.org/deregistered/N9087A-1971-08-09): Cessna 170A, S/N 18846. Owner: [Vencill Van V](https://openairdocs.org/faa-owner/VENCILL%20VAN%20V)

## Related

- Other Robison Keven H CHALLENGER II aircraft: https://openairdocs.org/model/robison-keven-h-challenger-ii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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