American Champion Aircraft 8KCAB
N204SD is an American Champion Aircraft 8KCAB, a fixed-wing airplane with one motor with a piston engine. It has 1 seat. It is registered to co-owned owners in Rapid City, South Dakota. The registration is valid: it was issued on September 9, 2022 and expires on September 30, 2029. It holds a standard airworthiness certificate for normal; acrobatic, dated May 28, 2004.
Aircraft
- Maker
- American Champion Aircraft
- Model
- 8KCAB · all 8KCABs and related versions
- Serial number
- 958-2004
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming AEIO-360 SER · 180 hp
- Seats
- 1
- Year built
- Not given
- Transponder code
- A1A273 (octal 50321163)
Registration
- Status
- Valid registration
- Certificate issued
- September 9, 2022
- Expires
- September 30, 2029
- Last FAA action
- September 2, 2023
- Airworthiness
- Standard · Normal; Acrobatic · May 28, 2004
- FAA region
- Great Lakes
- FAA record id
- 00103739
Owner as the FAA publishes it
- Name
- Ostern Mark Lynn
- Type
- Co-owned
- Address
- 4701 Westridge Rd
Rapid City, SD 57702-5606 - Co-owners
- Ostern Connie Jane
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 1
Records check free · 1 to understand · 3 clear
The public federal record on N204SD, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Ostern Mark Lynn, a co-owned, certificate issued September 9, 2022, expires September 30, 2029. No fractional interest recorded. [1]
Standard certificate for normal; acrobatic; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial 958-2004 for this model in the deregistered file. [2]
N204SD was previously assigned to 1 other aircraft: Bell UH-1B (serial 157177, cancelled May 18, 2011). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N204SD. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data