N204TJ is a 1996 Jones Timothy P COZY MARK IV (fixed wing single engine) with serial number 204, registered in Jefferson, SD. Its FAA registration is valid and runs until Oct 31, 2029; the renewal window opens on Apr 30, 2029. It is powered by a Lycoming I0360 SER A&C rated at 200 hp. Its airworthiness certificate is in the experimental class (amateur-built), issued Aug 1, 1996. The NTSB accident database lists one record for this airframe since 2008, the latest on May 30, 2011.
Registration
- FAA status
- Valid registration
- Expires
- Oct 31, 2029
- Registrant type
- Individual
- Registered owner
- Individual owner, name not shown
- Location
- Jefferson, SD
- Local FAA office (FSDO)
- Rapid City FSDO (RAP FSDO) · (605) 737-3050
- Certificate issued
- Mar 26, 1996
- Last FAA action
- Sep 9, 2023
- Mode S code (hex)
- A1A291
- Mode S code (octal)
- 50321221
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- JONES TIMOTHY P
- Model
- COZY MARK IV
- Year manufactured
- 1996
- Serial number
- 204
- Aircraft type
- Fixed wing single engine
- Engine type
- Reciprocating
- Engine
- LYCOMING I0360 SER A&C (200 hp)
- Engines / seats
- 1 / 4
- Weight class
- Up to 12,499 lb
- Airworthiness
- Experimental since Aug 1, 1996
- Approved operations
- Amateur-built
Public airports near Jefferson
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| Graham Field North Sioux City, SD | 7K7 | 6 mi | Non-towered | 100LL, A |
| Sioux Gateway/Brig General Bud Day Field Sioux City, IA | KSUX | 17 mi | Towered | 100LL, A |
| Harold Davidson Field Vermillion, SD | KVMR | 22 mi | Non-towered | 100LL, A |
Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| May 30, 2011 | Sioux City, IA | Amateur-built Cozy Mark IV this airframe | Substantial | Minor | CEN11LA367 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.