Piston helicopter

N41423

2007 Homebuilt Butler-Barnett J4B2

Registered No accidents on file
Built
2007
Serial
377
Class
Piston helicopter
Engines
Subaru ALL MDLS A/B
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Easton, PA
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Registration record

N41423 on the FAA register

Type
2007 Homebuilt Butler-Barnett J4B2
Serial
377
Engines
Subaru ALL MDLS A/B
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Easton, PA
Certificate issued
2007-02-08
Airworthiness date
2007-08-03
Registration expires
2029-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A4E5B6
Mode S (octal)
51162666
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-09-30
    Registration expires (renewal due).
  • 2007-08-03
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2007-02-08
    Certificate of registration issued as N41423 to the current registrant.
  • 2006-11-20
    N41423 previously assigned to a Piper J5A (s/n 51379); cancelled.
Overview

About N41423

N41423 is a 2007 Homebuilt Butler-Barnett J4B2, serial number 377. It is registered to an individual in Easton, Pennsylvania. The current certificate of registration was issued on February 8, 2007 and expires on September 30, 2029.

The FAA aircraft reference file describes the type as a piston helicopter, one Subaru ALL MDLS A/B engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated August 3, 2007.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N41423.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N41423.

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 Pennsylvania· 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.