Single-engine piston

N504QM

2025 Homebuilt Challenger II

Registered No accidents on file

Built

2025

Serial

CH2-1005-2686

Class

Single-engine piston

Engines

Hirth 3203

Status

Current as of October 2026

Registered owner

Individual · sign in to see

Based

Clarksville, TN

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Registration record

N504QM on the FAA register

Type

2025 Homebuilt Challenger II

Serial

CH2-1005-2686

Engines

Hirth 3203

Registered owner

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

Clarksville, TN

Certificate issued

2025-07-09

Airworthiness date

2025-08-24

Registration expires

2032-07-31

Airworthiness class

Experimental · amateur-built

Mode S (hex)

A64A36

Mode S (octal)

51445066

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

2032-07-31
Registration expires (renewal due).
2025-08-24
Airworthiness date on the current FAA record (experimental category (amateur-built)).
2025-07-09
Certificate of registration issued as N504QM.

Overview

About N504QM

N504QM is a 2025 Homebuilt Challenger II, serial number CH2-1005-2686. It is registered to an individual in Clarksville, Tennessee. The current certificate of registration was issued on July 9, 2025 and expires on July 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Hirth 3203 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated August 24, 2025.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N504QM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N504QM.

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

Same state

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1968 Cessna 150J

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1979 Bellanca Decathlon 8KCAB

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1979 Bellanca Decathlon 8KCAB

N5050A

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N5052U

2002 Homebuilt Extreme

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Browse: Aircraft registered in Tennessee· 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.