# N41111: 1964 Snow S2C - Status: Valid registration - Airframe: [Snow S2C](https://openairdocs.org/model/snow-s2c) (registry code 8380206, 1 seats) - Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008) - Data sheets: [TCDS 2A7](https://openairdocs.org/tcds/2A7) (Thrush Aircraft LLC) (OpenAirDocs) - Serial number: 1213C - Year built: 1964 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Restricted, agriculture and pest control - Airworthiness date: April 9, 1964 - Certificate issued: March 25, 2021 - Expires: March 31, 2028 - Mode S code: A4DA6C - Registered owner: [Westerlin-Harrington Flying Service Inc](https://openairdocs.org/faa-owner/WESTERLIN-HARRINGTON%20FLYING%20SERVICE%20INC) - Location: [Holdrege, NE](https://openairdocs.org/faa-place/NE/Holdrege) - Owner type: Corporation - Owner's area on the map: 40.4310° N, 99.3968° W: Placed by OpenAirDocs at the center of ZIP code 68949, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=41111 - Page: https://openairdocs.org/aircraft/N41111 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. The registry lists only the engine series, so ADs for every Pratt & Whitney R-985 model are included. ## ADs that may apply (OpenAirDocs): 2 in force ### Matched by airframe (Snow S2C) - [AD 66-14-01](https://openairdocs.org/ad/66-14-01): Wing Main Spar · Thrush 600-S-2C, S-2B, S-2C and 1 more. Effective Jul 5, 1966 - [AD 63-05-03](https://openairdocs.org/ad/63-05-03): Wing Main Spar Web Flange · Thrush S-2B, S-2C and S2A. Effective Mar 8, 1963 ### Matched by engine (Pratt & Whitney R-985 series) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N41111. ## FAA accident and incident reports None matched to N41111. ## Reports on N41111 not matched to an aircraft (1) They name N41111, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 19810920067159I](https://openairdocs.org/incident/19810920067159I), Sep 20, 1981: Amtrpt PITTSSPECS1C (N41111), Brookhaven, NY, Minor damage. Pilot hit light stantion during taxi to tiedown location. ## 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) (40) 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 airframe (Snow S2C) - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA02266SE](https://openairdocs.org/stc/SA02266SE): Installation of a Lever Throttle Quadrant. Kawak Aviation Technologies Inc - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc - [STC SA1151NW](https://openairdocs.org/stc/SA1151NW): Installation of the Flight Grip Model 135 Control Stick Grip. Air Products & Parts LLC - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system. A & L Aircraft Parts Inc - [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SA6070NM](https://openairdocs.org/stc/SA6070NM): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. West Coast Air Creations - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation - [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC - [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc - [STC SA1315WE](https://openairdocs.org/stc/SA1315WE): Installation of Mixture Monitor (exhaust gas temperature probe, gage and selector) in accordance with Delta Products Part Lists A-192 and A-193, or in accordance with Tri-Star Corporation Mixture Monitor Installation Instructions dated December 9, 1981, or later FAA approved revision and/or Drawing List MM-127 dated November 15, 1981, or later FAA approved revision in aircraft models listed in Master Eligibility List P-80-A-6 revised March 29, 1968, copy attached, or later FAA approved revision. Universal Corporation - [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA01988SE](https://openairdocs.org/stc/SA01988SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P. Electronics International Inc - [STC SA00173DE](https://openairdocs.org/stc/SA00173DE): Installation of Oilamatic preoiler system. Oilamatic Inc - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc - [STC SA01158WI](https://openairdocs.org/stc/SA01158WI): Installation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System. Aero Enhancements Inc - [STC SA01639NY](https://openairdocs.org/stc/SA01639NY): Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. Scale Modelbuilders Inc - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc - [STC SA01258SE](https://openairdocs.org/stc/SA01258SE): Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML. R-S Sales Inc - [STC SA00622LA](https://openairdocs.org/stc/SA00622LA): Installation of an electronic digital engine tachometer horizon model P-1000. Horizon Instruments Inc - [STC SA2440WE](https://openairdocs.org/stc/SA2440WE): Installation of automatic flagman Model No. 4. R-S Sales Inc - [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA4321SW](https://openairdocs.org/stc/SA4321SW): Installation of wind driven freon air conditioning unit. Collins Paul W - [STC SA1924SO](https://openairdocs.org/stc/SA1924SO): Install aviation gasoline starting system. Duke Metering Equipment Co, Inc - [STC SA1911CE](https://openairdocs.org/stc/SA1911CE): Operation of airplane on unleaded and/or leaded automitive gasoline. (600-S2C S/N 1163C, 600-1163C THRU 1526C OR 600-1526C ONLY). Petersen Aviation Inc - [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc - [STC SA4-1210](https://openairdocs.org/stc/SA4-1210): Installation of Eonnex cover on aircraft surfaces. Ceconite, Inc - [STC SA1650SW](https://openairdocs.org/stc/SA1650SW): Replacement of military surplus AT-6 seat with Snow Engineering Company seat assembly 10136-1. Snow Engineering Company - [STC SA398SW](https://openairdocs.org/stc/SA398SW): Installation of electrical System to provide engine starting power and power to position lights. Campbell C G - [STC SA1164WE](https://openairdocs.org/stc/SA1164WE): Ceconite 101 covering of empennage. Cooper Engineering Corporation - [STC SA1630WE](https://openairdocs.org/stc/SA1630WE): Installation of Serv-Aero Engineering vibrodamp engine mount, mount, P/N 2059. Serv-Aero Engineering Inc - [STC SA550WE](https://openairdocs.org/stc/SA550WE): Wing auxiliary fuel tanks. Serv-Aero Engineering Inc ## Earlier aircraft with N41111 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N41111 before. - [Cancelled 1956-03-05](https://openairdocs.org/deregistered/N41111-1956-03-05): Piper J3L-65, S/N 7757, built 1941. Owner: [Evans James A Jr](https://openairdocs.org/faa-owner/EVANS%20JAMES%20A%20JR), [Augusta, GA](https://openairdocs.org/faa-place/GA/Augusta) ## Related - Other Snow S2C aircraft: https://openairdocs.org/model/snow-s2c/aircraft.md - The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.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.