# N334WD: 2011 Cessna 206H

- Status: Valid registration
- Airframe: [Cessna 206H](https://openairdocs.org/model/cessna-206h) (registry code 2073301, 6 seats)
- Engine: [Lycoming IO-540-AC1A5](https://openairdocs.org/engine/lycoming-io-540-ac1a5) (registry code 41809)
- Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE) (Textron Aviation Inc.), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (Lycoming Engines) (OpenAirDocs)
- Serial number: 20608334
- Year built: 2011
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: December 17, 2011
- Certificate issued: July 7, 2023
- Expires: July 31, 2030
- Mode S code: A3A6A3
- Registered owner: [Southwest Aviation Enterprises](https://openairdocs.org/faa-owner/SOUTHWEST%20AVIATION%20ENTERPRISES)
- Location: [Haslet, TX](https://openairdocs.org/faa-place/TX/Haslet)
- Owner type: Corporation
- Owner's area on the map: 32.9794° N, 97.3712° W: Placed by OpenAirDocs at the center of ZIP code 76052, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=334WD
- Page: https://openairdocs.org/aircraft/N334WD

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): 43 in force

### Matched by airframe (Cessna 206H)

- [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2013-11-11](https://openairdocs.org/ad/2013-11-11): Engine Oil Pressure · Cessna 172R, 172S, 182S and 4 more. Effective Aug 1, 2013
- [AD 2008-26-10](https://openairdocs.org/ad/2008-26-10): Alternate static air source selector valve · Cessna 172, 172A, 172B and 179 more. Effective Jan 5, 2009
- [AD 2008-10-02](https://openairdocs.org/ad/2008-10-02): Part number identification placard · Cessna 172, 172R, 172RG and 64 more. Effective May 12, 2008
- [AD 2008-05-09](https://openairdocs.org/ad/2008-05-09): Crew seats · Cessna 172R, 172S, 182T and 3 more. Effective Apr 8, 2008
- [AD 2008-02-06](https://openairdocs.org/ad/2008-02-06): GSM 85 servo gearbox units · Cessna 182T, 206H, LC40-550FG and 11 more. Effective Feb 26, 2008
- [AD 2007-08-03](https://openairdocs.org/ad/2007-08-03): Flexible fuel hoses · Cessna 172R, 172S, 182T and 3 more. Effective May 2, 2007
- [AD 2007-05-10](https://openairdocs.org/ad/2007-05-10): Steel lock rod/bar on both crew seat back cylinder lock assemblies · Cessna 172R, 172S, 182S and 4 more. Effective Apr 11, 2007
- [AD 2006-17-04](https://openairdocs.org/ad/2006-17-04): Flexible fuel hoses located in the engine compartment · Cessna 172R, 172S, 182T and 3 more. Effective Sep 1, 2006
- [AD 2005-13-10](https://openairdocs.org/ad/2005-13-10): Main electrical power junction box circuit breakers · Cessna 172R, 172S, 182T and 3 more. Effective Aug 9, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2004-15-18](https://openairdocs.org/ad/2004-15-18): Honeywell KAP 140 Autopilot Computer System · Cessna 172R, 172S, 182S and 4 more. Effective Sep 12, 2004
- [AD 2001-09-06](https://openairdocs.org/ad/2001-09-06): Horizontal Stabilizer Attachment Reinforcement Brackets · Cessna 206H and T206H. Effective May 18, 2001
- [AD 99-13-04](https://openairdocs.org/ad/99-13-04): Aileron Control Bellcrank Stop Bolts & Lock Nuts · Cessna 206H and T206H. Effective Jul 13, 1999
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998
- [AD 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996
- [AD 84-10-01 R1](https://openairdocs.org/ad/84-10-01-R1): Bladder Fuel Cells · Cessna 180, 180A, 180B and 103 more. Effective Jul 5, 1988
- [AD 79-10-14 R1](https://openairdocs.org/ad/79-10-14-R1): Fuel Tank Venting · Cessna 140A, 150, 150A and 172 more. Effective May 30, 1988
- [AD 79-15-01](https://openairdocs.org/ad/79-15-01): Fuel Flow Distribution · Cessna 206, 206H, 207 and 57 more. Effective Jul 26, 1979
- [AD 79-08-03](https://openairdocs.org/ad/79-08-03): Electrical System · Cessna 120, 140, 140A and 152 more. Effective Jun 6, 1979
- [AD 77-16-05](https://openairdocs.org/ad/77-16-05): Fuel Selector Valve · Cessna 206, 206H, 207 and 55 more. Effective Aug 11, 1977
- [AD 77-02-09](https://openairdocs.org/ad/77-02-09): Wing Flap System · Cessna 150, 150A, 150B and 61 more. Effective Feb 3, 1977
- [AD 72-07-09](https://openairdocs.org/ad/72-07-09): Cracks And Loose Bolts In Fin & Rudder · Cessna 182, 182A, 182B and 74 more. Effective Oct 17, 1974
- [AD 69-08-11](https://openairdocs.org/ad/69-08-11): Fuel Boost Pump · Cessna 206, 206H, 210 and 38 more. Effective Apr 22, 1969

### Matched by engine (Lycoming IO-540-AC1A5)

- [AD 2026-17-10](https://openairdocs.org/ad/2026-17-10): Reciprocating Engine Cylinder Section · Lycoming Engines O-235, O-235-A, O-235-AP and 159 more. Effective Sep 14, 2026
- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007
- [AD 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005
- [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992

### Historical (superseded or no longer in force)

- [AD 2003-24-13](https://openairdocs.org/ad/2003-24-13) (historical): Honeywell KAP 140 autopilot computer system · 172R, 172S, 182S and 4 more. Effective Jan 20, 2004
- [AD 2000-04-01](https://openairdocs.org/ad/2000-04-01) (historical): Oil Pressure Switch · Cessna 172R, 172S, 182S and 2 more. Effective Mar 11, 2000
- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2006-20-09](https://openairdocs.org/ad/2006-20-09) (historical): Certain crankshafts replacing · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 82 more. Effective Nov 3, 2006
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## Information bulletins (advisory) (13 in force)

- [SAIB CE-12-41](https://openairdocs.org/saib/CE-12-41): Flight Controls  Loose Glide Screw. Issued Aug 9, 2012
- [SAIB CE-12-15](https://openairdocs.org/saib/CE-12-15): DC Power Distribution System - Avionics Master Switch. Issued Jan 30, 2012
- [SAIB CE-10-40R1](https://openairdocs.org/saib/CE-10-40R1): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes. Issued Jul 30, 2010
- [SAIB CE-09-42](https://openairdocs.org/saib/CE-09-42): Lights - Landing Light, Beacon Light and Taxi Light Switch Applications. Issued Jul 24, 2009
- [SAIB CE-09-12](https://openairdocs.org/saib/CE-09-12): Navigation: CRS/BARO Knob Interference in some G1000/G900X/G950 Installations. Issued Feb 11, 2009
- [SAIB CE-09-10](https://openairdocs.org/saib/CE-09-10): Availability of Secondary Seat Stops for Pilot and Copilot Seats. Issued Feb 5, 2009
- [SAIB CE-01-41R2](https://openairdocs.org/saib/CE-01-41R2): Flight Controls. Issued Oct 1, 2007
- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB CE-19-01](https://openairdocs.org/saib/CE-19-01) (historical): Engine Oil and Airplane Hour Meter; Pressure Switch Failure. Issued Feb 12, 2019
- [SAIB CE-01-41R1](https://openairdocs.org/saib/CE-01-41R1) (historical): Cracks in plastic or non-metallic control wheels. Issued Jan 10, 2007
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## NTSB investigations

None matched to N334WD.

## FAA accident and incident reports

None matched to N334WD.

## 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) (335, 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 (Cessna 206H)

- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA02069AK](https://openairdocs.org/stc/SA02069AK): Fabrication and installation of the Airglas, Inc., Landes PA32-206LA Nose Fork equipped with up to a 8.50 x 6 tire. Airglas Inc
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [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 SA01134DE](https://openairdocs.org/stc/SA01134DE): Installation of EarthX ETX680-24-TSO Lithium Battery. EarthX Inc
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA12276IB](https://openairdocs.org/stc/SA12276IB): Payload System Installation. Icarus Aero Inc
- [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc
- [STC SA02266AK](https://openairdocs.org/stc/SA02266AK): Replacement of Rudder and Elevator Hinge Bearings with P. Ponk Aviation Bearing p/n PPA-1401. McFarlane Aviation LLC
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC. Lists 206 Series
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA01330LA](https://openairdocs.org/stc/SA01330LA): Installation of alternate avionics support assembly. Radiorax Aviation Systems LLC
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA01120SE](https://openairdocs.org/stc/SA01120SE): Installation of Door Steward. Mountain View Aviation LLC
- [STC SA39CH](https://openairdocs.org/stc/SA39CH): Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System. Wipaire Inc
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA04550NY](https://openairdocs.org/stc/SA04550NY): Installation of the Split Forward Cargo Door Window. Airworthiness Resources Corporation
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA00871SE](https://openairdocs.org/stc/SA00871SE): Installation of cockpit sunvisors. Rosen Sunvisor Systems LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01105DE](https://openairdocs.org/stc/SA01105DE): Installation of the Persistent Systems MPU5 Wave Radio System. Persistent Systems
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02575AK](https://openairdocs.org/stc/SA02575AK): Installation of the nose tire scraper P/N TSL-100. Aero Twin Inc
- [STC SA03147AT-D](https://openairdocs.org/stc/SA03147AT-D): Installation of an Autopilot Aileron Disconnect System. Summit Aviation Inc
- [STC SA03150AT-D](https://openairdocs.org/stc/SA03150AT-D): Installation of a Wulfsberg P-2000 FM radio. Summit Aviation Inc
- [STC SA04400NY](https://openairdocs.org/stc/SA04400NY): Installation of the Integrated Back-up Battery System (IBBS). TCW Technologies LLC
- [STC SA02554AK](https://openairdocs.org/stc/SA02554AK): Installation of the Cargo Door Release System. Airframe Innovations Inc
- [STC SA01435LA](https://openairdocs.org/stc/SA01435LA): Installation of engines modified with Firewall Forward Technologies LLC modified camshaft. Centri-Lube Technologies LLC
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA00858SE](https://openairdocs.org/stc/SA00858SE): Install observation window. DV Aviation Inc
- [STC SA01688SE](https://openairdocs.org/stc/SA01688SE): Installation of a revised shoulder harness restraint system and new rear cabin headliner. DV Aviation Inc
- [STC SA01878SE](https://openairdocs.org/stc/SA01878SE): Installation of Rolls-Royce 250-B17F/2 series engine with a Hartzell Model HC-B3TF-7A/T10173FN(K)-11R Propeller. DV Aviation Inc
- [STC SA01985SE](https://openairdocs.org/stc/SA01985SE): Installation of new rear observation seat. DV Aviation Inc
- [STC SA02271SE](https://openairdocs.org/stc/SA02271SE): Fabrication of Soloy wing mounted LED landing and taxi light kits. DV Aviation Inc
- [STC SA02748AT](https://openairdocs.org/stc/SA02748AT): Installation of Wescam Wing Mounted Forward Looking Infrared Camera System, Monitor Stand and Microwave Downlink Antenna System. DV Aviation Inc
- [STC SA2353NM](https://openairdocs.org/stc/SA2353NM): Installation of the Soloy Turbine Pac (Rolls-Royce 250-C20S engine modified per Soloy, LLC STC SE2352NM) and related changes. DV Aviation Inc
- [STC SA00897WI](https://openairdocs.org/stc/SA00897WI): Installation of Concorde Battery Corporation (VRSLA) Valve regulated sealed lead acid battery. Aero-Mach Wilco LLC
- [STC SA01606CH](https://openairdocs.org/stc/SA01606CH): Installation of alternate electro-hydraulic power pack system for operation of main wheel skis. F.Atlee Dodge Aircraft Services
- [STC SA00673DE](https://openairdocs.org/stc/SA00673DE): Installation of B&C Specialty Standby Alternator System. Freedom Aviation Inc
- [STC SA01552WI](https://openairdocs.org/stc/SA01552WI): Installation of Supplemental Audio System, including #2 GMA 1347 Audio Panel. Yingling Aircraft Inc
- [STC SA04586CH](https://openairdocs.org/stc/SA04586CH): Installation of Electroair Back Up Battery Panel System Control. Electroair Aquisition Corp
- [STC SA990CE](https://openairdocs.org/stc/SA990CE): Install STOL kits (wing leading edge cuffs, drooped tips, and stall fences). Curry Aviation LLC

All 335: https://openairdocs.org/aircraft/N334WD/stcs.md

## Related

- Other Cessna 206H aircraft: https://openairdocs.org/model/cessna-206h/aircraft.md
- The Lycoming IO-540-AC1A5 engine: https://openairdocs.org/engine/lycoming-io-540-ac1a5.md

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