Single-engine piston

N521CF

1990 Homebuilt Challenger II

Registered 1 NTSB/FAA record
Built
1990
Serial
CH2-0490-0521
Class
Single-engine piston
Engines
Bombardier ROTAX (ALL)
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Correctionville, IA
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Registration record

N521CF on the FAA register

Type
1990 Homebuilt Challenger II
Serial
CH2-0490-0521
Engines
Bombardier ROTAX (ALL)
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Correctionville, IA
Certificate issued
2023-04-19
Airworthiness date
1997-05-15
Registration expires
2030-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A68CDD
Mode S (octal)
51506335
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-04-30
    Registration expires (renewal due).
  • 2023-04-19
    Certificate of registration issued as N521CF.
  • 2002-09-01
    Accident at Plymouth, FL; damage: substantial.
  • 1997-05-15
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1990
    Manufactured (1990).
Overview

About N521CF

N521CF is a 1990 Homebuilt Challenger II, serial number CH2-0490-0521. It is registered to co-owners in Correctionville, Iowa. The current certificate of registration was issued on April 19, 2023 and expires on April 30, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Bombardier ROTAX (ALL) engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 15, 1997.

N521CF has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2002-09-01 Accident · Plymouth, FL Damage: Substantial Minor injury NTSB · MIA02LA164
Reported aircraft: Clarence F. Callahan Challenger II
Probable cause: The pilot's failure to maintain the proper alignment which resulted in the airplane impacting trees on the south side of the approach end of the landing runway.

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 Iowa· 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.