Single-engine piston

N51DG

1989 Christen Industries A-1

Registered No accidents on file
Built
1989
Serial
1070
Class
Single-engine piston
Engines
Lycoming O&VO-360 series
Status
Current as of October 2026
Registered owner
Orcas Aircraft LLC (LLC)
Based
Orcas, WA
Registration record

N51DG on the FAA register

Type
1989 Christen Industries A-1
Serial
1070
Engines
Lycoming O&VO-360 series
Registered owner
Orcas Aircraft LLC
Orcas, WA
Certificate issued
2016-05-24
Airworthiness date
1989-01-09
Registration expires
2029-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A65F68
Mode S (octal)
51457550
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-05-31
    Registration expires (renewal due).
  • 2016-05-24
    Certificate of registration issued as N51DG to the current registrant.
  • 1997-11-06
    N51DG previously assigned to a Consolidated Aeronautics Lake LA-4-200 (s/n 1031); cancelled.
  • 1989-01-09
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N51DG

N51DG is a 1989 Christen Industries A-1, serial number 1070. The FAA register lists Orcas Aircraft LLC as the registrant in Orcas, Washington. The current certificate of registration was issued on May 24, 2016 and expires on May 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O&VO-360 series engine and 2 seats. Its airworthiness certificate is standard category (normal), dated January 9, 1989.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N51DG. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1996-07-02 Accident · Wolfeboro, NH Damage: Substantial NTSB · NYC96LA138
Reported aircraft: Lake LA-4-200 — a different aircraft that carried the N51DG registration before this airframe.
Probable cause: The pilot's improper flare, which resulted in a hard landing and nose over. The glassy water condition was a related factor.

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.