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Registered aircraft · FAA record as of November 6, 2026Muehlberg Stephen E PANTHER LS
N11PX is a Muehlberg Stephen E PANTHER LS, a fixed-wing airplane with one motor with a piston engine, built in 2018. It has 1 seat. It is registered to an individual in Newcastle, Oklahoma. The registration is valid: it was issued on January 18, 2018 and expires on January 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated December 6, 2018.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Muehlberg Stephen E
- Model
- PANTHER LS
- Serial number
- 011
- 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 · Lycoming O-235-C1 · 115 hp
- Fuel
- 100LL avgas
- Seats
- 1
- Year built
- 2018
- Kit
- SPORT PERFORMANCE AVIATION LLC PANTHER LS
- Transponder code
- A02B35 (octal 50025465)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- January 18, 2018
- Expires
- January 31, 2028
- Last FAA action
- April 14, 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 · Amateur builtFAA certificate purpose code 2 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · December 6, 2018
- FAA region
- SouthwesternFAA region code 2 (the FAA regional office that handles the record). All codes
- FAA record id
- 01270481
Owner as the FAA publishes it
- Name
- Muehlberg Stephen e
- 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
- 954 Redbud Ln
Newcastle, OK 73065-6069
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 2
Connections how N11PX links to the rest of the register
- Muehlberg Stephen E 3 aircraft on the register
- Lycoming O-235-C1 49 aircraft with this engine series · 115 hp
- Newcastle, OK 36 aircraft registered in this town
- Oklahoma 5,655 aircraft registered
- FAA orders naming the Lycoming O-235-C1 13 airworthiness directives
- Failure reports on the Lycoming O-235-C1 15 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N11PX.json.
Records check free · 1 to understand · 4 clear
The public federal record on N11PX, 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 Muehlberg Stephen e, an individual, certificate issued January 18, 2018, expires January 31, 2028. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated December 6, 2018, consistent with the 2018 manufacture year. [1]
No earlier tail number is recorded against serial 011 for this model in the deregistered file. [2]
N11PX was previously assigned to 2 other aircraft: Freedom Aviation PHOENIX (serial 0001, cancelled October 24, 2012); Let BLANIK L-13 (serial 174714, cancelled September 23, 2003). 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 N11PX. 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