Single-engine piston

N4704J

2006 Homebuilt Challenger II

Registered No accidents on file

Built

2006

Serial

CH2-1005-2688

Class

Single-engine piston

Engines

Rotax 503ULDCDI

Status

Current as of October 2026

Registered owner

Individual · sign in to see

Based

Birchwood, WI

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Registration record

N4704J on the FAA register

Type

2006 Homebuilt Challenger II

Serial

CH2-1005-2688

Engines

Rotax 503ULDCDI

Registered owner

Individual — the name of an individual registrant is shown to signed-in users. Sign in

Birchwood, WI

Certificate issued

2012-06-05

Airworthiness date

2013-12-07

Registration expires

2028-06-30

Airworthiness class

Experimental · amateur-built

Mode S (hex)

A5C407

Mode S (octal)

51342007

Seats (type)

Weight class

up to 12,499 lb

Kit

Quad City Ultralight Acft Corp CHALLENGER II

Status

Current as of October 2026

Registry history

Timeline

2028-06-30
Registration expires (renewal due).
2013-12-07
Airworthiness date on the current FAA record (experimental category (amateur-built)).
2012-06-05
Certificate of registration issued as N4704J to the current registrant.
2006
Manufactured (2006).
1995-10-25
N4704J previously assigned to a Beechcraft A23-24 Musketeer Super III / A23-24 III Musketeer (s/n MA166); cancelled.

Overview

About N4704J

N4704J is a 2006 Homebuilt Challenger II, serial number CH2-1005-2688. It is registered to an individual in Birchwood, Wisconsin. The current certificate of registration was issued on June 5, 2012 and expires on June 30, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 503ULDCDI engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated December 7, 2013.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N4704J. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1988-03-20 Accident · Fulton, MO Damage: Substantial NTSB · MKC88LA066

Reported aircraft: Beechcraft 23 — a different aircraft that carried the N4704J registration before this airframe.

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

Same state

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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.