Single-engine piston

N4929

1966 Homebuilt AVRO-504K

Registered 2 NTSB/FAA records
Built
1966
Serial
HAC1
Class
Single-engine piston
Engines
Lerhone TYPE C
Status
Current as of October 2026
Registered owner
Rhinebeck Aerodrome Museum (Corporation)
Based
Rhinebeck, NY
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Registration record

N4929 on the FAA register

Type
1966 Homebuilt AVRO-504K
Serial
HAC1
Engines
Lerhone TYPE C
Registered owner
Rhinebeck Aerodrome Museum
Rhinebeck, NY
Certificate issued
1994-10-17
Airworthiness date
1979-05-08
Registration expires
2028-09-30
Airworthiness class
Experimental · exhibition
Mode S (hex)
A61B19
Mode S (octal)
51415431
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2009-10-17
    Accident at Rhinebeck, NY; damage: substantial.
  • 2003-06-04
    Accident at Rhinebeck, NY; damage: substantial.
  • 1994-10-17
    Certificate of registration issued as N4929 to the current registrant.
  • 1979-05-08
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 1966
    Manufactured (1966).
  • 1930-04-18
    N4929 previously assigned to a Spartan C-3 (s/n 58); cancelled.
Overview

About N4929

N4929 is a 1966 Homebuilt AVRO-504K, serial number HAC1. The FAA register lists Rhinebeck Aerodrome Museum as the registrant in Rhinebeck, New York. The current certificate of registration was issued on October 17, 1994 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Lerhone TYPE C engine and 1 seats. Its airworthiness certificate is experimental category (exhibition), dated May 8, 1979.

N4929 has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2009-10-17 Accident · Rhinebeck, NY Damage: Substantial NTSB · ERA10LA021
Reported aircraft: Palen AVRO-504K
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 engine.
2003-06-04 Accident · Rhinebeck, NY Damage: Substantial Minor injury NTSB · NYC03LA119
Reported aircraft: Palen Avro-504K
Probable cause: A total loss of engine power during the initial climb for undetermined reasons.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.