Single-engine piston

N4374A

Homebuilt Challenger II LW

Registered No accidents on file
Built
—
Serial
CH205012093
Class
Single-engine piston
Engines
Rotax 503 DCDI
Status
Current as of October 2026
Registered owner
Tpi Aviation LLC (LLC)
Based
Germantown, WI
Registration record

N4374A on the FAA register

Type
Homebuilt Challenger II LW
Serial
CH205012093
Engines
Rotax 503 DCDI
Registered owner
Tpi Aviation LLC
Germantown, WI
Certificate issued
2023-12-19
Airworthiness date
2007-11-25
Registration expires
2030-12-31
Airworthiness class
Experimental · light-sport
Mode S (hex)
A54004
Mode S (octal)
51240004
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-12-31
    Registration expires (renewal due).
  • 2023-12-19
    Certificate of registration issued as N4374A to the current registrant.
  • 2007-11-25
    Airworthiness date on the current FAA record (experimental category (light-sport)).
  • 2004-08-27
    N4374A previously assigned to a Homebuilt RR-101 (s/n 101); cancelled.
  • 1970-04-21
    N4374A previously assigned to a Beechcraft E55 Baron (s/n TE-804); cancelled.
  • 1967-02-23
    N4374A previously assigned to a Piper Super Cub (s/n 18-4776); cancelled.
Overview

About N4374A

N4374A is a Homebuilt Challenger II LW, serial number CH205012093. The FAA register lists Tpi Aviation LLC as the registrant in Germantown, Wisconsin. The current certificate of registration was issued on December 19, 2023 and expires on December 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 503 DCDI engine and 2 seats. Its airworthiness certificate is experimental category (light-sport), dated November 25, 2007.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4374A.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4374A.

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

Same state

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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.