# N91172: Funk B85C - Status: Valid registration - Airframe: [Funk B85C](https://openairdocs.org/model/funk-b85c) (registry code 5480208, 2 seats) - Data sheets: [TCDS A-715](https://openairdocs.org/tcds/A-715) (Funk Aeroplane Company) (OpenAirDocs) - Serial number: 302 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: February 6, 2021 - Expires: February 29, 2028 - Mode S code: AC9DCA - Registered owner: [Heritage Flying Club LLC](https://openairdocs.org/faa-owner/HERITAGE%20FLYING%20CLUB%20LLC) - Location: [Olathe, KS](https://openairdocs.org/faa-place/KS/Olathe) - Owner type: LLC - Owner's area on the map: 38.8938° N, 94.8800° W: Placed by OpenAirDocs at the center of ZIP code 66061, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91172 - Page: https://openairdocs.org/aircraft/N91172 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 (Funk B85C) - [AD 75-12-05](https://openairdocs.org/ad/75-12-05): Support Struts and Longerons · Funk Funk C, B, B75L (Army UC-92) and 1 more. Effective Jun 5, 1975 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N91172. ## FAA accident and incident reports None matched to N91172. ## 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) (30) 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 (Funk B85C) - [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 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 SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc - [STC SA10077SC](https://openairdocs.org/stc/SA10077SC): Installation of push-button starter system. Hartzell Engine Technologies, LLC - [STC SA11172SC](https://openairdocs.org/stc/SA11172SC): Installation of an ADS600-B Automatic Dependent Surveillance-Broadcast (ADS-B) Universal Access Transceiver (UAT) and Global Positioning System (GPS) antenna. NavWorx Inc - [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 SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators 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 SA834GL](https://openairdocs.org/stc/SA834GL): Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, STC SE634GL approved for certain Teledyne engines. EAA Aviation Foundation - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc - [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 SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC - [STC SA00003WI](https://openairdocs.org/stc/SA00003WI): Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON + MON)/2. Intermixing with aviation gasoline also approved. Petersen Aviation Inc - [STC SA5755NM](https://openairdocs.org/stc/SA5755NM): Installation of a propeller anti theft device. Davis Ray G - [STC SA5029NM](https://openairdocs.org/stc/SA5029NM): Limited to installation on serial number 338 ONLY. Funk Naomi - [STC SA2348CE](https://openairdocs.org/stc/SA2348CE): Installation of Continental O-200-A engine and modification of electrical system to accept 60 AMP alternator and key type engine start switch. Ray Pahls - [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 SA4-1231](https://openairdocs.org/stc/SA4-1231): Ceconite 101 covering of complete airframe. Cooper Engineering Corporation ## Earlier aircraft with N91172 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N91172 before. - [Cancelled 1975-06-05](https://openairdocs.org/deregistered/N91172-1975-06-05): North American NAVION, S/N NAV4226. Owner: [Byram J E](https://openairdocs.org/faa-owner/BYRAM%20J%20E), [Akexandria, LA](https://openairdocs.org/faa-place/LA/Akexandria) ## Related - Other Funk B85C aircraft: https://openairdocs.org/model/funk-b85c/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.