# Commonwealth REARWIN 185 - Type: Aircraft model (FAA registry) - Registry code: 2370604 - Manufacturer (registry): COMMONWEALTH - Model: REARWIN 185 - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 2 - Weight class: Up to 12,499 lb - Cruise speed: 86 mph - Certification: Type certificated - Data sheet: [TCDS A-729](https://openairdocs.org/tcds/A-729) (OpenAirDocs) - Holder: Commonwealth Aircraft Inc. - Registered aircraft: 16 - Page: https://openairdocs.org/model/commonwealth-rearwin-185 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 48-06-02](https://openairdocs.org/ad/48-06-02): Jury Struts · Commonwealth 175, 180, 180F and 2 more ## Registered aircraft (16) - [N33387](https://openairdocs.org/aircraft/N33387): [Van Buren Karen A](https://openairdocs.org/faa-owner/VAN%20BUREN%20KAREN%20A), [Mchenry, IL](https://openairdocs.org/faa-place/IL/Mchenry), S/N 1608 - [N34117](https://openairdocs.org/aircraft/N34117): [Hammond Neil K](https://openairdocs.org/faa-owner/HAMMOND%20NEIL%20K), [Manhattan, KS](https://openairdocs.org/faa-place/KS/Manhattan), built 1946, S/N 1872 - [N34130](https://openairdocs.org/aircraft/N34130): [Dexter Fred H](https://openairdocs.org/faa-owner/DEXTER%20FRED%20H), [Live Oak, FL](https://openairdocs.org/faa-place/FL/Live%20Oak), built 1946, S/N 1835 - [N67057](https://openairdocs.org/aircraft/N67057): [Henderson Robert R](https://openairdocs.org/faa-owner/HENDERSON%20ROBERT%20R), [Salem, OR](https://openairdocs.org/faa-place/OR/Salem), S/N 1763 - [N73806](https://openairdocs.org/aircraft/N73806): [Ledbetter Tim A](https://openairdocs.org/faa-owner/LEDBETTER%20TIM%20A), [Tahlequah, OK](https://openairdocs.org/faa-place/OK/Tahlequah), S/N 1874 - [N92833](https://openairdocs.org/aircraft/N92833): [Rauch Karl W](https://openairdocs.org/faa-owner/RAUCH%20KARL%20W), [Fredericksburg, VA](https://openairdocs.org/faa-place/VA/Fredericksburg), S/N 1629 - [N92902](https://openairdocs.org/aircraft/N92902): [Palmenteri Louis J](https://openairdocs.org/faa-owner/PALMENTERI%20LOUIS%20J), [Rhome, TX](https://openairdocs.org/faa-place/TX/Rhome), built 1946, S/N 1633 - [N92905](https://openairdocs.org/aircraft/N92905): [Air East Aviation Inc](https://openairdocs.org/faa-owner/AIR%20EAST%20AVIATION%20INC), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), S/N 1636 - [N92914](https://openairdocs.org/aircraft/N92914): [Johnson Gregory A](https://openairdocs.org/faa-owner/JOHNSON%20GREGORY%20A), [Greenbush, VA](https://openairdocs.org/faa-place/VA/Greenbush), built 1946, S/N 1646 - [N92921](https://openairdocs.org/aircraft/N92921): [Dixon Tom N](https://openairdocs.org/faa-owner/DIXON%20TOM%20N), [Lodi, CA](https://openairdocs.org/faa-place/CA/Lodi), S/N 1653 - [N92923](https://openairdocs.org/aircraft/N92923): [Heise Erick B](https://openairdocs.org/faa-owner/HEISE%20ERICK%20B), [Dexter, NY](https://openairdocs.org/faa-place/NY/Dexter), built 1946, S/N 1655 - [N92926](https://openairdocs.org/aircraft/N92926): [Morris Thomas B](https://openairdocs.org/faa-owner/MORRIS%20THOMAS%20B), [Imlay City, MI](https://openairdocs.org/faa-place/MI/Imlay%20City), built 1946, S/N 1658 - [N92927](https://openairdocs.org/aircraft/N92927): [Farmer Larry A Trustee](https://openairdocs.org/faa-owner/FARMER%20LARRY%20A%20TRUSTEE), [Salina, KS](https://openairdocs.org/faa-place/KS/Salina), built 1946, S/N 1659 - [N92940](https://openairdocs.org/aircraft/N92940): [Kettunen Alan C](https://openairdocs.org/faa-owner/KETTUNEN%20ALAN%20C), [Ashtabula, OH](https://openairdocs.org/faa-place/OH/Ashtabula), built 1946, S/N 1672 - [N93252](https://openairdocs.org/aircraft/N93252): [Walton T Michael](https://openairdocs.org/faa-owner/WALTON%20T%20MICHAEL), [Hudson Falls, NY](https://openairdocs.org/faa-place/NY/Hudson%20Falls), S/N 1757 - [N93290](https://openairdocs.org/aircraft/N93290): [Kohler Richard L](https://openairdocs.org/faa-owner/KOHLER%20RICHARD%20L), [Moriarty, NM](https://openairdocs.org/faa-place/NM/Moriarty), built 1946, S/N 1854 ## NTSB investigations (8) 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 FTW95LA065](https://openairdocs.org/ntsb/FTW95LA065), Dec 12, 1994: Commonwealth Rearwin 185 (N93290), Longmont, CO, substantial damage. Probable cause: OIL EXHAUSTION AND SUBSEQUENT ENGINE SEIZURE DUE TO A MISSING OIL DRAIN PLUG. FACTORS WERE THE INADEQUATE MAINTENANCE AND THE LACK OF SUITABLE TERRAIN FOR A FORCED LANDING. - [NTSB MIA87FA250](https://openairdocs.org/ntsb/MIA87FA250), Sep 19, 1987: Commonwealth 185 (N92919), St. Petersburg, FL, destroyed, 3 fatal - [NTSB CHI76AC074](https://openairdocs.org/ntsb/CHI76AC074), Jun 26, 1976: Commonwlth 185 (N92991), North Liberty, IN, substantial damage, 1 fatal - [NTSB NYC72FNE17](https://openairdocs.org/ntsb/NYC72FNE17), Dec 12, 1971: Commonwlth 185 (N92914), Middlebury, CT, substantial damage - [NTSB LAX72FUG40](https://openairdocs.org/ntsb/LAX72FUG40), Dec 10, 1971: Rearwin 185 (N92902), Chino, CA, substantial damage - [NTSB LAX72DUJ45](https://openairdocs.org/ntsb/LAX72DUJ45), Sep 20, 1971: Commonwlth 185 (N93290), Mesa, AZ, substantial damage - [NTSB DIA67D0056](https://openairdocs.org/ntsb/DIA67D0056), Mar 12, 1967: Commonwlth 185 (N34130), Boone, NC, substantial damage - [NTSB CHI66F0168](https://openairdocs.org/ntsb/CHI66F0168), Aug 13, 1965: Comonwealth 185 (N92834), Baraboo, WI, destroyed ## FAA accident and incident reports (5) 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 19941212041569A](https://openairdocs.org/incident/19941212041569A), Dec 12, 1994: Comwth REWN185 (N93290), Longmont, CO, Substantial damage. Engine miss on downwind. Siezed. Landed off airport. Oil drain plug missing. No oil. Five hrs since major overhaul. - [Incident 19880106002839I](https://openairdocs.org/incident/19880106002839I), Jan 6, 1988: Comwth REWN185 (N34117), Sulphur Springs, TX, Minor damage. Lost directional control on landing rollout. Veered off runway and nosed over in muddy grass. - [Accident 19870919081151A](https://openairdocs.org/incident/19870919081151A), Sep 19, 1987: Comwth REWN185 (N92919), St Petersburg, FL, Destroyed, 2 fatal. Pilot gave wrong position reports. Collided with N2399Z in traffic pattern. Not seen by ATC or N2399Z. Fell into bay - [Incident 19851227071829I](https://openairdocs.org/incident/19851227071829I), Dec 27, 1985: Comwth REWN185 (N93236), Avalon, CA, Minor damage. Veered with application of brakes. On rollout found left brake would not release when pressure was released. - [Accident 19760626025049A](https://openairdocs.org/incident/19760626025049A), Jun 26, 1976: Comwth REWN185 (N92991), North Liberty, IN, Destroyed. Otr plts experienced turb ovr wooded area fm lt to hvy intensity when temp abv 80 deg. ## STCs that may be installed (OpenAirDocs) (24) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [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 SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc - [STC SA01768SE](https://openairdocs.org/stc/SA01768SE): Installation of an oil cooler system. Steve's Aircraft - [STC SA10921SC](https://openairdocs.org/stc/SA10921SC): Installation of an alternator and regulator as a replacement to existing OEM generators and mechanical voltage regulators. Hartzell Engine Technologies, LLC - [STC SA01944CH](https://openairdocs.org/stc/SA01944CH): Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or D-4818 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc - [STC SA905GL](https://openairdocs.org/stc/SA905GL): Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation - [STC SA1008WE](https://openairdocs.org/stc/SA1008WE): Installation of Poly-Fiber covering material. Poly-Fiber Inc - [STC SA489EA](https://openairdocs.org/stc/SA489EA): Installation of ARP Inc. carburetor ice detection system. Aircraft & Rotorcraft Products (ARP) Inc - [STC SA2-952](https://openairdocs.org/stc/SA2-952): Installation of fiberglass covering. Razorback Fabrics Inc - [STC SA5755NM](https://openairdocs.org/stc/SA5755NM): Installation of a propeller anti theft device. Davis Ray G - [STC SA862NE](https://openairdocs.org/stc/SA862NE): Installation of a Franklin Model 4AC-199-E3 engine and a Sensenich Model 72DF-48 fixed-pitch wood propeller. Palmer Milton A - [STC SA4-302](https://openairdocs.org/stc/SA4-302): Installation of BN-1 propeller spinner. ACS Products Co, 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 SA308EA](https://openairdocs.org/stc/SA308EA): Installation of carburetor ice detection system 105AP in single and twin engine aircraft and single engine helicopters powered by Continental, Franklin, and Lycoming type engines equipped with Marvel-Schebler MA-2, MA-3, MA-4, MA-4-5, MA-6 and HA-6 series carburetors. (Normal,Utility and Acrobatic Category airplanes and helicopters equipped with engines and carburetors as described.). Alfred R Puccinelli - [STC SA81GL](https://openairdocs.org/stc/SA81GL): Installation of Continental C90-12F engine, McCauley 1B90CM7146propeller, Maule tail wheel P/N SFS-1-4-P8. Bolin Harvey - [STC SA4-1208](https://openairdocs.org/stc/SA4-1208): Ceconite covering of complete aircraft. Cooper Engineering Corporation - [STC SA4-901](https://openairdocs.org/stc/SA4-901): Fiberglas covering on wings. Glasco-Air Products ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Cessna 185](https://openairdocs.org/model/cessna-185): 98 registered aircraft, registry code 2072802 - [Commonwealth 185](https://openairdocs.org/model/commonwealth-185): 62 registered aircraft, registry code 2370608 - [Rearwin 185](https://openairdocs.org/model/rearwin-185): 4 registered aircraft, registry code 2370602 - [Commonwealth/Irish 185 SKYRANGER](https://openairdocs.org/model/commonwealth-irish-185-skyranger): 0 registered aircraft, registry code 05620QL - [Infinty 185](https://openairdocs.org/model/infinty-185): 0 registered aircraft, registry code 05903NB - [Cessna/Braunschmidt K 185](https://openairdocs.org/model/cessna-braunschmidt-k-185): 0 registered aircraft, registry code 2072803 --- 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.