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N41GPMahar Michael C GP-4

ExperimentalLycoming IO-360-A1ALake Geneva, WI

Claim this aircraft

N41GP is a Mahar Michael C GP-4. It is a fixed-wing single-engine aircraft with 2 seats, powered by a Lycoming IO-360-A1A rated at 200 horsepower. The registration is active, with the registrant based in Lake Geneva, WI. Its experimental airworthiness certificate was issued in Feb 2008. It has been registered to its current owner since May 2024.

No NTSB events on record

More like this:Aircraft in Wisconsin Experimental

2024

FAA record · May 2024 · Registration

Registered to current owner

Registrant based in Lake Geneva, WI.

2008

FAA record · Feb 2008 · Airworthiness

Special Airworthiness Certificate issued — Experimental

Manufacturer: Mahar Michael C. Model GP-4. Serial 400.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N41GP's record changes.

Aircraft

ManufacturerMahar Michael C

ModelGP-4

CategoryExperimental

TypeFixed-wing single-engine

Serial400

EngineLycoming IO-360-A1A

Horsepower200

Seats2

BasedLake Geneva, WI

RegistrantIndividual

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

2024 — present

Registered owner · Lake Geneva, WI

Feb 2008

Airworthiness certificate issued

Owner locations generalized to city/state for privacy. Ownership lineage grows as TailWiki tracks daily FAA updates.

View earlier registration history

TailWiki has tracked this tail since Aug 2026. The FAA registry is a snapshot, not a history — earlier owners aren't in the public record. TailWiki reconstructs ownership changes by watching daily FAA updates going forward, so this section fills in the longer TailWiki runs.

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