# N166DB: 1967 Champion 7ECA

- Status: Valid registration
- Airframe: [Champion 7ECA](https://openairdocs.org/model/champion-7eca) (registry code 21101NN, 2 seats)
- Engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505)
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759) (American Champion Aircraft Corp.), [TCDS E-223](https://openairdocs.org/tcds/E-223) (Lycoming Engines) (OpenAirDocs)
- Serial number: 276
- Year built: 1967
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, acrobatic
- Airworthiness date: March 10, 1967
- Certificate issued: August 15, 2012
- Expires: August 31, 2028
- Mode S code: A10845
- Registered owner: [Stokes Lowell W](https://openairdocs.org/faa-owner/STOKES%20LOWELL%20W)
- Location: [Kingwood, TX](https://openairdocs.org/faa-place/TX/Kingwood)
- Owner type: Individual
- Owner's area on the map: 30.0531° N, 95.1579° W: Placed by OpenAirDocs at the center of ZIP code 77345, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=166DB
- Page: https://openairdocs.org/aircraft/N166DB

From the FAA registry file of October 22, 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 Lycoming 0-235 model are included.

## ADs that may apply (OpenAirDocs): 42 in force

### Matched by airframe (Champion 7ECA)

- [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 2009-22-02](https://openairdocs.org/ad/2009-22-02): Rear seat back hinge area and excessive elongation of the rear seat hinge bolt hole · American Champion 7ECA, 7GCAA, 7GCBC and 3 more. Effective Dec 3, 2009
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [AD 2005-24-10](https://openairdocs.org/ad/2005-24-10): Pilot's Operating Handbook (POH) limitation · American Champion 7AC, 7ACA, 7BCM (Army L-16A) and 21 more. Effective Jan 17, 2006
- [AD 2000-25-02 R1](https://openairdocs.org/ad/2000-25-02-R1): Wood Spars · American Champion 11AC, 11BC, 11CC and 27 more. Effective Jul 13, 2001
- [AD 96-18-02](https://openairdocs.org/ad/96-18-02): Wing Strut Attach Fittings · American Champion 7ECA, 7GCAA, 7GCBC and 3 more. Effective Sep 20, 1996
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996
- [AD 89-18-06](https://openairdocs.org/ad/89-18-06): Front Folding Seats · American Champion 7ECA, 7GCAA, 7GCBC and 3 more. Effective Sep 21, 1989
- [AD 80-25-07 R1](https://openairdocs.org/ad/80-25-07-R1): Oil Coolers · American Champion 7ECA, 7GCAA, 7GCBC and 39 more. Effective Sep 24, 1981
- [AD 81-16-04](https://openairdocs.org/ad/81-16-04): Competition Harness Installation · American Champion 7ECA, 7GCAA, 7GCBC and 2 more. Effective Jul 28, 1981
- [AD 80-21-06](https://openairdocs.org/ad/80-21-06): Muffler Core and Body Assembly · American Champion 7ECA, 7GC, 7GCA and 8 more. Effective Oct 16, 1980
- [AD 79-22-01](https://openairdocs.org/ad/79-22-01): Exhaust System · American Champion 7ECA, 8GCBC and 8KCAB. Effective Oct 29, 1979
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979
- [AD 77-22-05](https://openairdocs.org/ad/77-22-05): Operating Limitations · American Champion 7ECA, 7GC, 7GCA and 5 more. Effective Nov 7, 1977
- [AD 76-22-01](https://openairdocs.org/ad/76-22-01): Adjustable Front Seat · American Champion 7ECA, 7GCAA, 7GCBC and 3 more. Effective Nov 2, 1976
- [AD 75-17-16](https://openairdocs.org/ad/75-17-16): Engine Power Loss · American Champion 7ECA, 7GCAA, 7GCBC and 3 more. Effective Aug 12, 1975
- [AD 72-20-06](https://openairdocs.org/ad/72-20-06): Aerobatic Flight Placard · American Champion 7ECA, 7GCAA, 7GCBC and 2 more. Effective Oct 5, 1972
- [AD 71-20-04](https://openairdocs.org/ad/71-20-04): Lower Fuselage Longeron · American Champion 7ECA, 7GCAA, 7GCBC and 1 more. Effective Sep 30, 1971
- [AD 67-03-02](https://openairdocs.org/ad/67-03-02): Fuel Shutoff Valve Bracket · American Champion 7ECA, 7GCAA, 7GCB and 1 more. Effective Jan 18, 1967
- [AD 48-39-01](https://openairdocs.org/ad/48-39-01): Control Stick Rework · American Champion 7AC, 7ACA, 7BCM (Army L-16A) and 19 more
- [AD 48-08-02](https://openairdocs.org/ad/48-08-02): Cleveland Wheels · American Champion 11AC, 11BC, 11CC and 33 more

### Matched by engine (Lycoming 0-235 series)

- [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 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [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 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 1998
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 95-03-10](https://openairdocs.org/ad/95-03-10): Push Rods · Lycoming Engines O-235, O-235-A, O-235-AP and 38 more. Effective Jan 24, 1996
- [AD 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 88-02-04](https://openairdocs.org/ad/88-02-04): Carburetors · Lycoming Engines O-235-C1C, O-235-H2C, O-235-L2A and 4 more. Effective Feb 1, 1988
- [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981
- [AD 80-25-02 R2](https://openairdocs.org/ad/80-25-02-R2): Pushrods · Lycoming Engines O-235, O-235-A, O-235-AP and 30 more. Effective Jan 13, 1981
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980
- [AD 78-25-01](https://openairdocs.org/ad/78-25-01): Condensers · Lycoming Engines O-235-L2C. Effective Dec 8, 1978
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

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

- [AD 96-03-11](https://openairdocs.org/ad/96-03-11) (historical): Wing Front Strut Fittings · American Champion 7ECA, 7GCBC, 8GCBC and 1 more. Effective Feb 26, 1996
- [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 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) (12 in force)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB CE-18-20](https://openairdocs.org/saib/CE-18-20): Electrical Power. Issued Jul 12, 2018
- [SAIB CE-13-40](https://openairdocs.org/saib/CE-13-40): Flight Compartment. Issued Jul 12, 2013
- [SAIB CE-11-43](https://openairdocs.org/saib/CE-11-43): Flight Controls. Issued Jul 6, 2011
- [SAIB CE-10-39](https://openairdocs.org/saib/CE-10-39): Equipment - Furnishings. Issued Jul 23, 2010
- [SAIB CE-09-20](https://openairdocs.org/saib/CE-09-20): Equipment - Furnishings. Issued Mar 20, 2009
- [SAIB CE-07-45](https://openairdocs.org/saib/CE-07-45): Flight Controls. Issued Aug 24, 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-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-05-89](https://openairdocs.org/saib/NE-05-89): . Issued Sep 30, 2005
- [SAIB NE-01-22](https://openairdocs.org/saib/NE-01-22): . Issued May 11, 2001

## NTSB investigations

None matched to N166DB.

## FAA accident and incident reports

None matched to N166DB.

## 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) (208, 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 (Champion 7ECA)

- [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, 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 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 SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA33CE](https://openairdocs.org/stc/SA33CE): If Champion Part Number 7-480 door is installed, remove two of AN 380-2-2 cotter pins and two of AN 393-3 flat head pins as necessarry to remove one door. If American Champion Part Number 7-1265 door is installed, remove quick release pins to remove one door. Weight change --10lb at +21.06 arm. National Aeronca Association
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [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 SA2699CE](https://openairdocs.org/stc/SA2699CE): Installation of aileron spades. Rainbow Flying Services
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02576AK](https://openairdocs.org/stc/SA02576AK): Installation of Cleveland and ABI, LLC Wheel and Brake Kits. ABI LLC
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA3-424](https://openairdocs.org/stc/SA3-424): Installation of Wiparie Skis Model CTF-2200 (Acft Skis) (FluiDyne) (Federal) tail ski on airplanes equipped with Scott Model 3000 tail wheel. F.Atlee Dodge Aircraft Services
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [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 SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc
- [STC SA220SO](https://openairdocs.org/stc/SA220SO): Tow bar, release mechanism, and safety tow link. Fliegen Works Inc. d/b/a Pacific Aerial Tow Hooks
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA04301CH](https://openairdocs.org/stc/SA04301CH): Attachment of fabric covering and wing leading edge. C William Pancake Jr
- [STC SA2710WE](https://openairdocs.org/stc/SA2710WE): Installation of carburetor heat box bearings. Del-Air
- [STC SA02529AK](https://openairdocs.org/stc/SA02529AK): Installation of the GSD Landing Gear System, Aeronca/American Champion 7 & 11 series airplanes. Mr. Ernie Broten
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA745EA](https://openairdocs.org/stc/SA745EA): Installation of Edo Model 88-88-1650A floats. Kenmore Air EDO Floats LLC
- [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies
- [STC SA04362CH](https://openairdocs.org/stc/SA04362CH): Installation of the uAvionix skyBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out. uAvionix Corporation
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA01435SE](https://openairdocs.org/stc/SA01435SE): Installation of J.P. Instruments (JPI) Primary Engine Data Management System. J. P. Instruments
- [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [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 SA3829NM](https://openairdocs.org/stc/SA3829NM): Installation and Manufacturing of Aluminum Wing Spars. MILMAN Engineering Inc
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [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 SA02476AK](https://openairdocs.org/stc/SA02476AK): Installation of the Airglas, Inc. LC18-ACA Cargo Pod. Airglas Inc

All 208: https://openairdocs.org/aircraft/N166DB/stcs.md

## Related

- Other Champion 7ECA aircraft: https://openairdocs.org/model/champion-7eca/aircraft.md
- The Lycoming 0-235 series engine: https://openairdocs.org/engine/lycoming-0-235-series.md

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