Twin piston

N475AM

Grumman Aircraft Eng C-1A

Registered No accidents on file
Built
—
Serial
136781
Class
Twin piston
Engines
2 × Wright R-1820 series
Status
Current as of October 2026
Registered owner
Pacific Coast Air Museum (Corporation)
Based
Santa Rosa, CA
Registration record

N475AM on the FAA register

Type
Grumman Aircraft Eng C-1A
Serial
136781
Engines
2 × Wright R-1820 series
Registered owner
Pacific Coast Air Museum
Santa Rosa, CA
Certificate issued
2014-08-13
Airworthiness date
1986-10-31
Registration expires
2027-08-31
Airworthiness class
Experimental · exhibition
Mode S (hex)
A5D3B9
Mode S (octal)
51351671
Seats (type)
9
Weight class
20,000 lb and over
Range (type)
350 nm
Cruise (type)
120 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-08-31
    Registration expires (renewal due).
  • 2014-08-13
    Certificate of registration issued as N475AM.
  • 1986-10-31
    Airworthiness date on the current FAA record (experimental category (exhibition)).
Overview

About N475AM

N475AM is a Grumman Aircraft Eng C-1A, serial number 136781. The FAA register lists Pacific Coast Air Museum as the registrant in Santa Rosa, California. The current certificate of registration was issued on August 13, 2014 and expires on August 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Wright R-1820 series engines and 9 seats. Published figures for the type give a cruise speed of about 120 knots and a range of about 350 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is experimental category (exhibition), dated October 31, 1986.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N475AM.

Cruise
120 kt
Range
350 nm
Takeoff over 50 ft
900 ft
Landing over 50 ft
490 ft
Fuel burn
11 gph

Published figures for the Grumman Aircraft Eng C-1A type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N475AM.

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.