Registry / Francois Tillmann / CHALLENGER II / N503DK

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N503DK V

Francois Tillmann CHALLENGER II · 2001 · Minooka, IL

FAA Registry ↗ FlightAware ↗ FlightRadar24 ↗ ADS-B Globe ↗

This aircraft — FAA registration facts

N503DK is a 2001 Francois Tillmann CHALLENGER II (serial CH20198-1705), registered to Kroesch Donald F (individual) in Minooka, IL. Its FAA registration is recorded as v and expires August 2031; the airworthiness certificate dates from February 2022 (4 years ago). It carries a Rotax 503 DCDI engine rated at 52 hp. Its Mode-S transponder broadcasts the ICAO 24-bit address A6456A. Kroesch Donald F holds 2 aircraft on the registry.

Registered owner
Kroesch Donald F
Owner type
Individual
Based in
Minooka, IL
Serial number
CH20198-1705
Year built
2001 · 25 yrs old
Airworthiness class
42
FAA status
V
Mode-S / ICAO24
A6456A · 51442552 octal
Certificate issued
Aug 22, 2024
Airworthiness date
Feb 22, 2022
Last FAA activity
Sep 25, 2025
Registration expires
Aug 31, 2031
FAA region
Central

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
Rotax 503 DCDI
Engine type
2-Cycle Piston
Rated power
52 hp
Power per seat
26 hp
FAA engine code
55566

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N503DK

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Flight history & live tracking

ICAO24: a6456a
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Aircraft Type — ACFTREF 05640SB

Francois Tillmann CHALLENGER II
Engines: 1
Type: piston
Seats: 2
Category: Standard

Engine — CODE 55566

Manufacturer: Rotax
Model: 503 DCDI
Type: 2-Cycle Piston
Horsepower: 52 HP

FAA Registration Record

N-Number: N503DK
Serial Number: CH20198-1705
Year Manufactured: 2001
ACFTREF Code: 05640SB
Engine Code: 55566
Status: V (V)
Certification: 42
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: 2-Cycle Piston (7)
Source: master

Transponder / ADS-B

Mode S (octal): 51442552
ICAO 24-bit (hex): A6456A
ADS-B Exchange ↗ | FlightAware ↗

Registrant

Kroesch Donald F
Individual
View all 2 aircraft registered to this owner →
24125 Countryside Dr
Minooka, IL, 60447
FAA Region: Central

Key Dates

Certificate Issued Aug 22, 2024
Airworthiness Feb 22, 2022
Expiration Aug 31, 2031
Last Activity Sep 25, 2025
Data as of Oct 5, 2026

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