Single-engine piston

N6475X

1961 Cessna 180D

Registered 2 NTSB/FAA records
Built
1961
Serial
18050975
Class
Single-engine piston
Engines
Continental O-470 series
Status
Current as of October 2026
Registered owner
Twin Oaks Aircraft Maintenance LLC (LLC)
Based
Hillsboro, OR
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Registration record

N6475X on the FAA register

Type
1961 Cessna 180D
Serial
18050975
Engines
Continental O-470 series
Registered owner
Twin Oaks Aircraft Maintenance LLC
Hillsboro, OR
Certificate issued
2014-12-08
Airworthiness date
1961-02-14
Registration expires
2027-12-31
Airworthiness class
Standard
Mode S (hex)
A88259
Mode S (octal)
52101131
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
513 nm
Cruise (type)
139 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-12-31
    Registration expires (renewal due).
  • 2014-12-08
    Certificate of registration issued as N6475X.
  • 2010-08-13
    Accident at Hillsboro, OR; damage: substantial.
  • 1969-09-16
    Accident at Chitina,Alas, 02; damage: substantial.
  • 1961-02-14
    Airworthiness date on the current FAA record (standard category).
Overview

About N6475X

N6475X is a 1961 Cessna 180D, serial number 18050975. The FAA register lists Twin Oaks Aircraft Maintenance LLC as the registrant in Hillsboro, Oregon. The current certificate of registration was issued on December 8, 2014 and expires on December 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental O-470 series engine and 4 seats. Published figures for the type give a cruise speed of about 139 knots and a range of about 513 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category, dated February 14, 1961.

N6475X has 2 accident/incident records on file (most serious damage: substantial); details are below.

Cruise
139 kt
Range
513 nm
Fuel burn
14 gph

Published figures for the Cessna 180D type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2010-08-13 Accident · Hillsboro, OR Damage: Substantial Minor injury NTSB · WPR10CA401
Reported aircraft: Cessna 180D
Probable cause: A loss of engine power due to fuel starvation resulting from unporting when the pilot entered into a slip during the turn to the final approach leg.
1969-09-16 Accident · Chitina,Alas, 02 Damage: Substantial NTSB · 3 3179
Reported aircraft: Cessna 180D
Probable cause: R ON STRIP.

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.