Piston helicopter

N4476J

Homebuilt KB-2

Registered No accidents on file
Built
—
Serial
1
Class
Piston helicopter
Engines
1
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Fort Atkinson, WI
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Registration record

N4476J on the FAA register

Type
Homebuilt KB-2
Serial
1
Engines
1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Fort Atkinson, WI
Certificate issued
1984-01-13
Airworthiness date
—
Registration expires
2029-08-31
Airworthiness class
—
Mode S (hex)
A567D1
Mode S (octal)
51263721
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-08-31
    Registration expires (renewal due).
  • 1984-01-13
    Certificate of registration issued as N4476J to the current registrant.
  • 1980-08-28
    N4476J previously assigned to a Piper Cherokee 140 / PA-28 Cherokee / Cherokee 160 (s/n 28-22892); cancelled.
Overview

About N4476J

N4476J is a Homebuilt KB-2, serial number 1. It is registered to an individual in Fort Atkinson, Wisconsin. The current certificate of registration was issued on January 13, 1984 and expires on August 31, 2029.

The FAA aircraft reference file describes the type as a piston helicopter and 1 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4476J.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4476J.

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

Same state

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N447CF
1995 Robinson R44 Raven I
N4480H
1948 Piper Vagabond
All 6,164 aircraft registered in Wisconsin →
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  • N16AR Guimbal Cabri G2
  • N171DH Enstrom F28F

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Browse: Aircraft registered in Wisconsin· 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.