- Registered owner
- Weatherl Michael
- Location
- Lincoln, NE
- Owner type
- Individual
- Serial number
- L2K-236
- Year built
- 2025
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- June 9, 2026
- Certificate issued
- December 4, 2025
- Expires
- December 31, 2032
- Mode S code
- A1B862
- Kit
- Lancair Intl Inc LEGACY
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Continental TSIO-550 model are included below.
On this page
Airworthiness directives that may apply · 17
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1993 | 2 |
|---|---|
| 1996 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2004 | 1 |
| 2007 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2016 | 2 |
| 2020 | 1 |
| 2023 | 4 |
Engine · Continental TSIO-550 series
AD 2023-09-09Exhaust Turbine System (Recip)AD 2023-05-16Reciprocating Engine Power SectionAD 2023-02-12Engine Air Intake SystemInformation bulletins that may apply · 9
Advisory, not mandatory.
Engine · Continental TSIO-550 series
SAIB NE-20-05POWERPLANT - Engine Camshaft Gear Tooth FractureSAIB NE-18-16POWERPLANT Alternator Drive CouplingSAIB NE-17-11POWERPLANT Engine damage as a result of kickbackSAIB NE-16-13Powerplant - Prohibited use of sealantSAIB NE-13-15Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control LeversSAIB NE-13-04Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing InspectionSAIB NE-10-09Reciprocating Engine Power Section: Hydraulic Valve LiftersSAIB NE-09-08Reciprocating Engine Cylinder SectionSAIB NE-02-41NTSB investigations
No NTSB investigations matched to N21NNMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Michael Weatherl LANCAIR aircraft
FAA incident reports
No FAA accident or incident reports matched to N21NNMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Michael Weatherl LANCAIR aircraft
Service difficulty reports
No reports matched to N21NNGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Michael Weatherl LANCAIR aircraft
STCs that may be installed · 11
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Continental TSIO-550 series
STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE8776SWInstallation of coated cylinders and piston rings.STC SE09846SCInstallation of S539800M30 starter adapter springs.STC SE01628NYModification of starter adapter by substitution or rework of accessory drive parts.STC SE09963SCInstallation of modified fuel injector nozzles.STC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.STC SE09559SCInstallation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake.STC SE09319SCModify oil pan adding a new oil sump drain.STC SE00350SEInstallation of sump mounted chip detector.