# N33BR: Dehavilland DHC-1B-2-S3 - Status: Valid registration - Airframe: [Dehavilland DHC-1B-2-S3](https://openairdocs.org/model/dehavilland-dhc-1b-2-s3) (registry code 2801738, 2 seats) - Engine: [Lycoming GO-480 series](https://openairdocs.org/engine/lycoming-go-480-series) (registry code 41527) - Data sheets: [TCDS A26NM](https://openairdocs.org/tcds/A26NM) (William E. Lamon), [TCDS E-275](https://openairdocs.org/tcds/E-275) (Lycoming Engines) (OpenAirDocs) - Serial number: 166 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Experimental, exhibition - Airworthiness date: February 28, 1980 - Certificate issued: July 20, 2024 - Expires: July 31, 2031 - Mode S code: A3939F - Registered owner: [Marchant William](https://openairdocs.org/faa-owner/MARCHANT%20WILLIAM) - Location: [Cleveland, GA](https://openairdocs.org/faa-place/GA/Cleveland) - Owner type: Individual - Owner's area on the map: 34.6091° N, 83.7760° W: Placed by OpenAirDocs at the center of ZIP code 30528, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33BR - Page: https://openairdocs.org/aircraft/N33BR 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 Lycoming GO-480 model are included. ## ADs that may apply (OpenAirDocs): 13 in force ### Matched by airframe (Dehavilland DHC-1B-2-S3) None in force. ### Matched by engine (Lycoming GO-480 series) - [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 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 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 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 - [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 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977 - [AD 69-25-08](https://openairdocs.org/ad/69-25-08): Reduction Gear Assemblies · Lycoming Engines GO-435-C2A, GO-435-C2A2, GO-480-A1A and 61 more. Effective Feb 19, 1970 - [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 - [AD 62-23-05](https://openairdocs.org/ad/62-23-05): Propeller Shaft Oil Seal Rings · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 49 more. Effective Nov 14, 1962 - [AD 60-11-06](https://openairdocs.org/ad/60-11-06): Crankshaft · Lycoming Engines GO-480-C1B6, GO-480-C1D6, GO-480-C2C6 and 13 more - [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more ### Historical (superseded or no longer in force) - [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998 ## Information bulletins (advisory) (2 in force) - [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 ## NTSB investigations (2) 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 ATL80IA056](https://openairdocs.org/ntsb/ATL80IA056), Jun 15, 1980: Dehavilland DHC-13 (N33BR), Fredricksburg, VA, incident, minor damage - [NTSB MIA76FLG09](https://openairdocs.org/ntsb/MIA76FLG09), Aug 15, 1975: Dehavilland DHC-1B (N33BR), Columbia, SC, substantial damage ## FAA accident and incident reports (2) 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. - [Incident 19800615082309I](https://openairdocs.org/incident/19800615082309I), Jun 15, 1980: Dhav DHC1 (N33BR), Fredericksburg, VA, Minor damage. Upper hinge on vertical fin failed during air show. Lost all rudder control, landed without further incident. - [Accident 19750815026799A](https://openairdocs.org/incident/19750815026799A), Aug 15, 1975: Dhav DHC1B2 (N33BR), Columbia, SC, Substantial damage. Fuselage buckled aft of wg trailing edge. Elev rendered inop. Plt used elev trim for ldg. ## Service difficulty reports (1) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 97ZZZX2847](https://openairdocs.org/sdr/97ZZZX2847), May 1, 1997: FRAME. CRACKED. THE FUSELAGE FRAMES AT STA 190 ARE CRACKED. THE CRACKS FOUND DURING INSPECTIONS ARE LOCATED AT THE POINT WHERE THE LOWER SPAR CAP IS SANDWICHED. THE CRACKS RUN ## 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 (Dehavilland DHC-1B-2-S3) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA2748SO](https://openairdocs.org/stc/SA2748SO): Installation of Cleveland main wheels and brakes. Kaman Corporation Aircraft Wheel and Brake LLC - [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 SA00192LA](https://openairdocs.org/stc/SA00192LA): Replacement of BTH AG4 impluse and nonimpulse magnetos with Slick Magnetos on Gipsy I, Gipsy II, and Gipsy III model engines and Gipsy major series 1 through 10MK2 model engines. Moth Aircraft Company - [STC SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International 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 SA01157LA](https://openairdocs.org/stc/SA01157LA): Installation of Electronics International Model FP-5 or FP-5L fuel flow/fuel pressure instrument as a replacement instrument. Electronics International Inc - [STC SA2692SO](https://openairdocs.org/stc/SA2692SO): Installation of Cleveland brake conversion kit No. 199-79. Gullwing Corporation ### Approved for the engine (Lycoming GO-480 series) - [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company - [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc - [STC SE124SO](https://openairdocs.org/stc/SE124SO): Installation of two (2) Roto- Master Turbochargers Models 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model, 315F10, P/N RJ0080-102). TALCO Aviation. Lists GO-480-C1B6 - [STC SE135SO](https://openairdocs.org/stc/SE135SO): Installation of two (2) Rajay turbochargers Model 315A10. TALCO Aviation. Lists GO-480-D1A - [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists GO-480-B - [STC SA02508AK](https://openairdocs.org/stc/SA02508AK): Installation of Precision Airmotive RSA 5AD1 fuel injection system on a Lycoming GO-480-G1D6 engine. Wright Air Service. Lists GO-480-G1D6 - [STC SE02506AK](https://openairdocs.org/stc/SE02506AK): Engine fuel system modification. Replace original pressure carburetor with a Precision Airmotive (formerly Bendix) fuel injection system. Russell Carter. Lists GO-480-G1D6 - [STC SE4494NM](https://openairdocs.org/stc/SE4494NM): Installation of oil filter adapter and oil filter. Airwolf Filter Corporation. Lists GO-480-B - [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. Lists GO-480-B - [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc - [STC SE7505SW](https://openairdocs.org/stc/SE7505SW): Installation of any or all parts listed on Airmotive Engineering Drawing List NO. 852-1, Rev. 1, dated10/4/88, or later FAA approved revision. Continental Motors, Inc - [STC SE7666SW](https://openairdocs.org/stc/SE7666SW): Installation of parts listed on Airmotive List 8810-3, Rev 6. Continental Motors, Inc - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc - [STC SE2902NM](https://openairdocs.org/stc/SE2902NM): Lycoming valve cover gasket. Real Gaskets Tennessee - [STC SE7582SW](https://openairdocs.org/stc/SE7582SW): Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring. Superior Air Parts, Inc. Lists GO-480-C1B6 - [STC SE02436AT](https://openairdocs.org/stc/SE02436AT): Installation of 200F series fuel pump assembly. Kelly Aerospace Energy Systems LLC - [STC SE914NW](https://openairdocs.org/stc/SE914NW): Installation of a propeller governor adapter with a combination adapter/valve to provide propeller reversing control. McHugh Aviation Inc - [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc - [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation - [STC SE00911AT](https://openairdocs.org/stc/SE00911AT): Installation of a S6LN-204 magneto. JAARS Inc. Lists GO-480-G1D6 - [STC SE580SO](https://openairdocs.org/stc/SE580SO): Installation of Bendix magneto models S6LN-20 and S6LN-21. Mack's Aircraft Engine Svc. Lists GO-480-B1B - [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co - [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL - [STC SE18WE](https://openairdocs.org/stc/SE18WE): Installation of AiResearch T-1112 turbosupercharger. Western Commander, Inc. Lists GO-480-F2D6 - [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company ## Related - Other Dehavilland DHC-1B-2-S3 aircraft: https://openairdocs.org/model/dehavilland-dhc-1b-2-s3/aircraft.md - The Lycoming GO-480 series engine: https://openairdocs.org/engine/lycoming-go-480-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.