The U.S. aircraft register, updated daily

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Registered aircraft · FAA record as of October 27, 2026
N673BP

Riemer William V Jr CHALLENGER II

ValidFAA registration status code V: Valid registration. All codesWisconsin

N673BP is a Riemer William V Jr CHALLENGER II, a fixed-wing airplane with one motor with a piston engine, built in 2008. It has 2 seats. It is registered to an individual in Neshkoro, Wisconsin. The registration is valid: it was issued on October 27, 2026 and expires on October 31, 2033. It holds an experimental airworthiness certificate for amateur built, dated November 14, 2008.

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Flight history: where it flew in the last seven days · follow it on the live map

Aircraft

Maker
Riemer William V Jr
Model
CHALLENGER II
Serial number
CH2 0702 2237
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
Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Rotax 503ULDCDI · 52 hp
Seats
2
Year built
2008
Kit
QUAD CITY ULTRALIGHT ACFT CORP CHALLENGER II
Transponder code
A8E704 (octal 52163404)

Registration

Status
Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
Certificate issued
October 27, 2026
Expires
October 31, 2033
Last FAA action
October 27, 2026
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 · Amateur builtFAA certificate purpose code 2 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 14, 2008
FAA region
Great LakesFAA region code C (the FAA regional office that handles the record). All codes
FAA record id
00196459

Owner as the FAA publishes it

Name
Klemp Gregory J
Type
IndividualFAA type of owner code 1 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
Address
N1032 21St Ct
Neshkoro, WI 54960-6489

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.

Connections how N673BP links to the rest of the register

Design
Engine
Place
  • Neshkoro, WI 10 aircraft registered in this town
  • Wisconsin 6,164 aircraft registered

The whole map of how records connect · these connections as data: /graph/aircraft/N673BP.json.

Records check free · 0 to understand · 5 clear

The public federal record on N673BP, 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.

CLEARRegistration and identity

Valid registration to Klemp Gregory J, an individual, certificate issued October 27, 2026, expires October 31, 2033. No fractional interest recorded. [1]

CLEARAirworthiness certificate

Experimental certificate for amateur built, dated November 14, 2008, consistent with the 2008 manufacture year. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial CH2 0702 2237 for this model in the deregistered file. [2]

CLEARTail number reuse

No other airframe has carried N673BP according to the deregistered file. [2]

NOTERecent registry documents

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]

CLEARAccident and incident record

No NTSB investigation records located under N673BP. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]

PENDINGTitle chain, liens and 337 forms

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.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 27, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 27, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 27, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through September 30, 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 27, 2026. See this record on the FAA site · This record as data