# N73802: Commonwealth 185 - Status: Valid registration - Airframe: [Commonwealth 185](https://openairdocs.org/model/commonwealth-185) (registry code 2370608, 2 seats) - Data sheets: [TCDS A-729](https://openairdocs.org/tcds/A-729) (Commonwealth Aircraft Inc.) (OpenAirDocs) - Serial number: 1868 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: February 19, 2021 - Expires: February 29, 2028 - Mode S code: A9EB36 - Registered owner: [Forsberg Edwin E](https://openairdocs.org/faa-owner/FORSBERG%20EDWIN%20E) - Location: [Elk Grove, CA](https://openairdocs.org/faa-place/CA/Elk%20Grove) - Owner type: Individual - Owner's area on the map: 38.4297° N, 121.4452° W: Placed by OpenAirDocs at the center of ZIP code 95758, 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=73802 - Page: https://openairdocs.org/aircraft/N73802 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): 1 in force ### Matched by airframe (Commonwealth 185) - [AD 48-06-02](https://openairdocs.org/ad/48-06-02): Jury Struts · Commonwealth 175, 180, 180F and 2 more ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N73802. ## FAA accident and incident reports None matched to N73802. ## 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) (24) 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 (Commonwealth 185) - [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 ## Related - Other Commonwealth 185 aircraft: https://openairdocs.org/model/commonwealth-185/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.