# N45EK: 2015 Evolution Builders LANCAIR EVOLUTION - Status: Valid registration - Airframe: [Evolution Builders LANCAIR EVOLUTION](https://openairdocs.org/model/evolution-builders-lancair-evolution) (registry code 056333E, 4 seats) - Engine: [Pratt & Whitney Canada PT6A-41](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-41) (registry code 52265) - Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs) - Serial number: EVO-0009 - Year built: 2015 - Type: Fixed wing single engine - Engine type: Turbo-prop - Kit: Lancair Intl Inc EVOLUTION - Airworthiness: Experimental, amateur built - Airworthiness date: January 28, 2016 - Certificate issued: April 19, 2016 - Expires: April 30, 2029 - Mode S code: A57031 - Owner type: LLC - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=45EK - Page: https://openairdocs.org/aircraft/N45EK From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 5 in force ### Matched by airframe (Evolution Builders LANCAIR EVOLUTION) None in force. ### Matched by engine (Pratt & Whitney Canada PT6A-41) - [AD 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012 - [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997 - [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980 - [AD 78-17-07](https://openairdocs.org/ad/78-17-07): Fuel Control Unit · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Aug 31, 1978 - [AD 78-12-04](https://openairdocs.org/ad/78-12-04): No. 2 Bearing Pressure Oil Transfer Tube Assembly · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Jun 19, 1978 ## Information bulletins (advisory) (2 in force) - [SAIB NE-15-21](https://openairdocs.org/saib/NE-15-21): Fuel Injector Nozzle. Issued Aug 19, 2015 - [SAIB NE-06-34](https://openairdocs.org/saib/NE-06-34): . Issued Mar 21, 2006 ## NTSB investigations None matched to N45EK. ## FAA accident and incident reports None matched to N45EK. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (13) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (Pratt & Whitney Canada PT6A-41) - [STC SE12225AC](https://openairdocs.org/stc/SE12225AC): This STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installation. High Cotton Aircraft Conversions, LLC - [STC SE00001EN](https://openairdocs.org/stc/SE00001EN): Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 2, 8/16/95. MORE Company Inc - [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc - [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc - [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation - [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics - [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc - [STC SE09413SC](https://openairdocs.org/stc/SE09413SC): Install modified gas generator module. Airforce Turbine Service - [STC SE00856NY](https://openairdocs.org/stc/SE00856NY): Conversion of PT6A-41 engine model to PT6A-42 engine model. Standard Aero Limited - [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc - [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support - [STC SE09144SC](https://openairdocs.org/stc/SE09144SC): Installation of an alternate gas generator case. Airforce Turbine Service - [STC SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc ## Earlier aircraft with N45EK The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N45EK before. - [Cancelled 1994-12-01](https://openairdocs.org/deregistered/N45EK-1994-12-01): Evermann/Kelly AVID FLYER, S/N 45. Owner: [Kelly Elly K](https://openairdocs.org/faa-owner/KELLY%20ELLY%20K), [Defiance, MO](https://openairdocs.org/faa-place/MO/Defiance) ## Related - Other Evolution Builders LANCAIR EVOLUTION aircraft: https://openairdocs.org/model/evolution-builders-lancair-evolution/aircraft.md - The Pratt & Whitney Canada PT6A-41 engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-41.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.