# N4929: 1966 Palen AVRO-504K

- Status: Valid registration
- Airframe: [Palen AVRO-504K](https://openairdocs.org/model/palen-avro-504k) (registry code 0562131, 1 seats)
- Engine: [Lerhone TYPE C](https://openairdocs.org/engine/lerhone-type-c) (registry code 40001)
- Serial number: HAC1
- Year built: 1966
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: May 8, 1979
- Certificate issued: October 17, 1994
- Expires: September 30, 2028
- Mode S code: A61B19
- Registered owner: [Rhinebeck Aerodrome Museum](https://openairdocs.org/faa-owner/RHINEBECK%20AERODROME%20MUSEUM)
- Location: [Rhinebeck, NY](https://openairdocs.org/faa-place/NY/Rhinebeck)
- Owner type: Corporation
- Owner's area on the map: 41.9249° N, 73.8637° W: Placed by OpenAirDocs at the center of ZIP code 12572, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4929
- Page: https://openairdocs.org/aircraft/N4929

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 (Palen AVRO-504K)

None in force.

### Matched by engine (Lerhone TYPE C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA10LA021](https://openairdocs.org/ntsb/ERA10LA021), Oct 17, 2009: Palen AVRO-504K (N4929), Rhinebeck, NY, substantial damage. Probable cause: A loss of engine power due to the in-flight separation of the number 3 cylinder valve rocker arm attachment hardware. Contributing to the accident was the improper maintenance inspection of the…
- [NTSB NYC03LA119](https://openairdocs.org/ntsb/NYC03LA119), Jun 4, 2003: Palen Avro-504K (N4929), Rhinebeck, NY, substantial damage. Probable cause: A total loss of engine power during the initial climb for undetermined reasons.

## FAA accident and incident reports (2)

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.

- [Accident 20091017050339A](https://openairdocs.org/incident/20091017050339A), Oct 17, 2009: Palen AVRO-504K (N4929), Rhinebeck, NY, Substantial damage. Per the pilots statement, " on October 17, 2009 at 15:05, after running up the engine of the avro 504 k replica to 1250 rpms, I took off to the north and at…
- [Accident 20030604030289A](https://openairdocs.org/incident/20030604030289A), Jun 4, 2003: Amtr AVRO504K (N4929), Rhinebeck, NY, Substantial damage. (-23) Engine began losing power after take off and failed during climb. Pilot attempted to maneuver back to the runway, but could not make the runway due to…

## 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 N4929

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4929 before.

- [Cancelled 1930-04-18](https://openairdocs.org/deregistered/N4929-1930-04-18): Spartan C-3, S/N 58. Owner: [Sparten School Of Aeronautics Inc](https://openairdocs.org/faa-owner/SPARTEN%20SCHOOL%20OF%20AERONAUTICS%20INC), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)

## Related

- Other Palen AVRO-504K aircraft: https://openairdocs.org/model/palen-avro-504k/aircraft.md
- The Lerhone TYPE C engine: https://openairdocs.org/engine/lerhone-type-c.md

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