# N9777N: 1984 Avilez Donald L JR CHALLENGER II

- Status: Valid registration
- Airframe: [Avilez Donald L JR CHALLENGER II](https://openairdocs.org/model/avilez-donald-l-jr-challenger-ii) (registry code 05610B2, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH20586R0197
- Year built: 1984
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 16, 1993
- Certificate issued: September 19, 2006
- Expires: July 31, 2028
- Mode S code: ADA100
- Registered owners: [Ayers Carl](https://openairdocs.org/faa-owner/AYERS%20CARL), [Ayers Lee](https://openairdocs.org/faa-owner/AYERS%20LEE)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Partnership
- Owner's area on the map: 45.4966° N, 122.7305° W: Placed by OpenAirDocs at the center of ZIP code 97221, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9777N
- Page: https://openairdocs.org/aircraft/N9777N

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 (Avilez Donald L JR CHALLENGER II)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9777N.

## 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 20120429008219I](https://openairdocs.org/incident/20120429008219I), Apr 29, 2012: Avilez Donald L Jr CHALLENGER II (N9777N), Tigard, OR, No damage. On 4-29-12 experimental aircraft was involved in an aircraft/pedestrian collision at a Private Grass Strip near sw meyer lane in tigadr Oregon. On 5-4-12 pdx…

## 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 N9777N

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9777N before.

- [Cancelled 2000-04-18](https://openairdocs.org/deregistered/N9777N-2000-04-18): Ragsdale W E CHALLENGER II, S/N CH20586R0197. Triennial form not returned. Owner: [Avilez Donald L Jr](https://openairdocs.org/faa-owner/AVILEZ%20DONALD%20L%20JR), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

## Related

- Other Avilez Donald L JR CHALLENGER II aircraft: https://openairdocs.org/model/avilez-donald-l-jr-challenger-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.