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Registered aircraft · FAA record as of November 6, 2026Nicholson Bill CHALLENGER II LW
N4374A is a Nicholson Bill CHALLENGER II LW, a fixed-wing airplane with one motor with a two-stroke engine. It has 2 seats. It is registered to Tpi Aviation LLC, an LLC in Germantown, Wisconsin. The registration is valid: it was issued on December 19, 2023 and expires on December 31, 2030. It holds an experimental airworthiness certificate for registered before jan 31, 2008, dated November 25, 2007.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Nicholson Bill
- Model
- CHALLENGER II LW
- Serial number
- CH205012093
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Two-cycle pistonFAA type of engine code 7 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Rotax 503 DCDI · 52 hp
- Fuel
- 100LL avgas; the engine's maker also approves mogas, UL91, UL94
- Seats
- 2
- Year built
- Not given
- Transponder code
- A54004 (octal 51240004)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- December 19, 2023
- Expires
- December 31, 2030
- Last FAA action
- December 19, 2023
- Airworthiness
- ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Registered before Jan 31, 2008FAA certificate purpose code 8A (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 25, 2007
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 00309849
Owner as the FAA publishes it
- Name
- Tpi Aviation LLC
- Type
- LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- N112W16298 Mequon Rd # 106
Germantown, WI 53022-3306
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 3
Connections how N4374A links to the rest of the register
- Nicholson Bill 1 aircraft on the register
- Rotax 503 DCDI 561 aircraft with this engine series · 52 hp
- Tpi Aviation LLC 1 aircraft registered to this organisation
- Germantown, WI 7 aircraft registered in this town
- Wisconsin 6,162 aircraft registered
The whole map of how records connect · these connections as data: /graph/aircraft/N4374A.json.
Records check free · 1 to understand · 3 clear
The public federal record on N4374A, 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 Tpi Aviation LLC, an LLC, certificate issued December 19, 2023, expires December 31, 2030. No fractional interest recorded. [1]
Experimental certificate for registered before jan 31, 2008; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial CH205012093 for this model in the deregistered file. [2]
N4374A was previously assigned to 3 other aircraft: Roop RR-101 (serial 101, cancelled August 27, 2004); Beech E-55 (serial TE-804, cancelled April 21, 1970); Piper PA-18-150 (serial 18-4776, cancelled February 23, 1967). 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 N4374A. 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 November 6, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 6, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 6, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 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, November 6, 2026. See this record on the FAA site · This record as data