# Commonwealth/Irish 185 SKYRANGER - Type: Aircraft model (FAA registry) - Registry code: 05620QL - Manufacturer (registry): COMMONWEALTH/IRISH - Model: 185 SKYRANGER - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Not type certificated - Data sheet: [TCDS A-729](https://openairdocs.org/tcds/A-729) (OpenAirDocs) - Holder: Commonwealth Aircraft Inc. - Registered aircraft: 0 - Page: https://openairdocs.org/model/commonwealth-irish-185-skyranger 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 None registered with this model now. ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## 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 ## PMA parts (OpenAirDocs) (12) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first. - [S1069](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178791891520260806152308.0001): 100R Fuel Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 20, 2026 - [73-CFG-R](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151245838820260806152402.0001): Fuel Quantity Indication Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 20, 2026 - [AK-950-F5](https://drs.faa.gov/browse/excelExternalWindow/EF53275E196117A68525703C006945D5.0001): GPS Cooling Fans. Ameri-King Corporation · Mar 28, 2001 - [AK-950-F2](https://drs.faa.gov/browse/excelExternalWindow/DEA744A142DDE7298525703C006945D2.0001): GPS Cooling Fans. Ameri-King Corporation · Mar 28, 2001 - [AK-950-FTR](https://drs.faa.gov/browse/excelExternalWindow/BA3A4CEECAFAD1DB8525703C006945D6.0001): RFI DC Filters. Ameri-King Corporation · Mar 28, 2001 - [AK-950-F1](https://drs.faa.gov/browse/excelExternalWindow/94912B105D3CFF518525703C006945D1.0001): GPS Cooling Fans. Ameri-King Corporation · Mar 28, 2001 - [AK-950-FTR1](https://drs.faa.gov/browse/excelExternalWindow/834DF5A36B1BA8FD8525703C006945D7.0001): RFI DC Filters. Ameri-King Corporation · Mar 28, 2001 - [AK-950-F3](https://drs.faa.gov/browse/excelExternalWindow/2641B47D64CC253E8525703C006945D3.0001): GPS Cooling Fans. Ameri-King Corporation · Mar 28, 2001 - [AK-950-F4](https://drs.faa.gov/browse/excelExternalWindow/18BF6E2B1C4D95F48525703C006945D4.0001): GPS Cooling Fans. Ameri-King Corporation · Mar 28, 2001 - [AK-950](https://drs.faa.gov/browse/excelExternalWindow/12B172D68B8937F18525703C006945D8.0001): GPS Navigation Switching / Annunciator Panel. Ameri-King Corporation · Mar 28, 2001 - [SS-1001](https://drs.faa.gov/browse/excelExternalWindow/C7E32203B0D0EC7E8525704C00570B73.0001): Slick START TM Installation. Slick Aircraft Products, Division of Unison Ind · Modification part · Dec 2, 1997 - [K-1001](https://drs.faa.gov/browse/excelExternalWindow/79670B8722A2299A8525704C00516146.0001): Slick START TM Installation. Slick Aircraft Products, Division of Unison Ind · Modification part · Dec 2, 1997 ## 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 - [Commonwealth REARWIN 185](https://openairdocs.org/model/commonwealth-rearwin-185): 16 registered aircraft, registry code 2370604 - [Rearwin 185](https://openairdocs.org/model/rearwin-185): 4 registered aircraft, registry code 2370602 - [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.