Single-engine piston

N73DD

1989 Homebuilt RV 4

Registered No accidents on file
Built
1989
Serial
615
Class
Single-engine piston
Engines
Lycoming I0360 SER A&C
Status
Current as of October 2026
Registered owner
Six-Four Alpha LLC (LLC)
Based
Wilmington, DE
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Registration record

N73DD on the FAA register

Type
1989 Homebuilt RV 4
Serial
615
Engines
Lycoming I0360 SER A&C
Registered owner
Six-Four Alpha LLC
Wilmington, DE
Certificate issued
2019-04-23
Airworthiness date
1989-10-27
Registration expires
2029-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A9C901
Mode S (octal)
52344401
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-04-30
    Registration expires (renewal due).
  • 2019-04-23
    Certificate of registration issued as N73DD.
  • 1989-10-27
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N73DD

N73DD is a 1989 Homebuilt RV 4, serial number 615. The FAA register lists Six-Four Alpha LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on April 23, 2019 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming I0360 SER A&C engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated October 27, 1989.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N73DD.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N73DD.

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

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Browse: Aircraft registered in Delaware· Registry by state· FAA registry stats

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.