# N4418U: Taylorcraft F21B - Status: Valid registration - Airframe: [Taylorcraft F21B](https://openairdocs.org/model/taylorcraft-f21b) (registry code 8850909, 2 seats) - Data sheets: [TCDS 1A9](https://openairdocs.org/tcds/1A9) (Taylorcraft 2000 LLC) (OpenAirDocs) - Serial number: F-1518 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: November 1, 2022 - Expires: November 30, 2029 - Mode S code: A551D7 - Registered owner: [Lucas Gregory](https://openairdocs.org/faa-owner/LUCAS%20GREGORY) - Location: [Santa Rosa, CA](https://openairdocs.org/faa-place/CA/Santa%20Rosa) - Owner type: Individual - Owner's area on the map: 38.5259° N, 122.6907° W: Placed by OpenAirDocs at the center of ZIP code 95404, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4418U - Page: https://openairdocs.org/aircraft/N4418U 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): 3 in force ### Matched by airframe (Taylorcraft F21B) - [AD 2008-09-18](https://openairdocs.org/ad/2008-09-18): Wing strut attach fittings · Taylorcraft A, BF, BF-60 and 34 more. Effective Jun 6, 2008 - [AD 2008-04-09](https://openairdocs.org/ad/2008-04-09): Left and right wing front and aft lift struts · Taylorcraft 2000 19, BC, BC-65 and 35 more. Effective Mar 28, 2008 - [AD 51-09-03](https://openairdocs.org/ad/51-09-03): Fuel Shutoff Valve Clip · Taylorcraft A, Army TG-6 Conversions, BF and 37 more ## Information bulletins (advisory) (1 in force) - [SAIB CE-11-05](https://openairdocs.org/saib/CE-11-05): Main Landing Gear. Issued Dec 3, 2010 ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB NYC01LA170](https://openairdocs.org/ntsb/NYC01LA170), Jul 12, 2001: Taylorcraft F21B (N4418U), Simsbury, CT, substantial damage. Probable cause: **This report was modified on 2/24/2016. Refer to the public docket for this accident for additional details.** a loose tail wheel assembly and the failure of maintenance personnel to adequately… ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20010712015599A](https://openairdocs.org/incident/20010712015599A), Jul 12, 2001: Tcraft F21B (N4418U), Simsbury, CT, Substantial damage. (.19) On July 12, 2001, about 0745 eastern daylight time, a Taylorcraft F21B, N4418U, was substantially damaged while landing at the Simsbury Airport,… ## 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) (53, first 50) 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 (Taylorcraft F21B) - [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, LLC - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC - [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 SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc - [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC - [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA24CH](https://openairdocs.org/stc/SA24CH): Installation of Baumann Model 1420 floats. Baumann Floats LLC - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc - [STC SA03819NY](https://openairdocs.org/stc/SA03819NY): Installation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH - [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC - [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [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 SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. 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 SA02428AK](https://openairdocs.org/stc/SA02428AK): Installation of a hydraulically actuated ski drag assembly. Northern Airframes LLC - [STC SA02295SE](https://openairdocs.org/stc/SA02295SE): Installation of an alternate method of fastening aluminum wing ribs to wood spars. Rainbow Flying Service LLC - [STC SA02825NY PAGE 2](https://openairdocs.org/stc/SA02825NY%20PAGE%202): Installation of Aerospace Logic Aircraft Instruments. Aerospace Logic Inc - [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). 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 SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system. Champion Aerospace LLC - [STC SA01227SE](https://openairdocs.org/stc/SA01227SE): Farication of Vortex Generator Kit. Micro AeroDynamics Inc - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC - [STC SA02300AK](https://openairdocs.org/stc/SA02300AK): Installation of FAA approved sealed lift struts in accordance with Airframes, Inc., Master Drawing List No. 315, Revision B, dated October 2, 2007, or later FAA approved revision and Airframes, Inc. Installation Instructions, AFI-II-TCSTRUT, Revision A, dated October 8, 2007, or later FAA approved revision. Northern Airframes LLC - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc - [STC SA2557NM](https://openairdocs.org/stc/SA2557NM): Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system. K S Avionics Inc - [STC SA00402SE](https://openairdocs.org/stc/SA00402SE): Installation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed). Aviation Development Corporation - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc - [STC SA489EA](https://openairdocs.org/stc/SA489EA): Installation of ARP Inc. carburetor ice detection system. Aircraft & Rotorcraft Products (ARP) Inc - [STC SA1454GL](https://openairdocs.org/stc/SA1454GL): Surrendered and incorporated into STC SA00478CH. Cooper Aviation Supply Company, Inc - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC - [STC SA09470SC](https://openairdocs.org/stc/SA09470SC): Installation of Starter Indicator light system. Texas Skyways Inc - [STC SA02168AK](https://openairdocs.org/stc/SA02168AK): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. Avalaska Inc - [STC SA00139LA](https://openairdocs.org/stc/SA00139LA): Installation of a replacement S & S Propeller model W7448A1-2. S & S Propellers Inc - [STC SA00215NY](https://openairdocs.org/stc/SA00215NY): Installation of CAVU Model AM100 AVMIX engine fuel/air mixture setting system. CAVU Products Limited - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International All 53: https://openairdocs.org/aircraft/N4418U/stcs.md ## Earlier aircraft with N4418U The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4418U before. - [Cancelled 1975-09-10](https://openairdocs.org/deregistered/N4418U-1975-09-10): Cessna 150, S/N 15060418, built 1964. Exported to Canada. Owner: [Brennand Aircraft Sales Inc](https://openairdocs.org/faa-owner/BRENNAND%20AIRCRAFT%20SALES%20INC), [Neenah, WI](https://openairdocs.org/faa-place/WI/Neenah) ## Related - Other Taylorcraft F21B aircraft: https://openairdocs.org/model/taylorcraft-f21b/aircraft.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.