# Stol UC-1 - Type: Aircraft model (FAA registry) - Registry code: 8640202 - Manufacturer (registry): STOL - Model: UC-1 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Reciprocating - Seats: 5 - Weight class: Up to 12,499 lb - Cruise speed: 135 mph - Certification: Type certificated - Data sheet: [TCDS A6EA](https://openairdocs.org/tcds/A6EA) (OpenAirDocs) - Holder: Sky Enterprises Inc. - Registered aircraft: 8 - Page: https://openairdocs.org/model/stol-uc-1 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 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022 ## Registered aircraft (8) - [N123BR](https://openairdocs.org/aircraft/N123BR): [Twin Bee LLC](https://openairdocs.org/faa-owner/TWIN%20BEE%20LLC), [Groveland, CA](https://openairdocs.org/faa-place/CA/Groveland), built 1972, S/N 012 - [N250MP](https://openairdocs.org/aircraft/N250MP): [Johanson Jason](https://openairdocs.org/faa-owner/JOHANSON%20JASON), [Groveland, CA](https://openairdocs.org/faa-place/CA/Groveland), S/N 010 - [N25BY](https://openairdocs.org/aircraft/N25BY): [Hinshaw Martin E](https://openairdocs.org/faa-owner/HINSHAW%20MARTIN%20E), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1982, S/N 022 - [N940Y](https://openairdocs.org/aircraft/N940Y): [Cook Timothy W](https://openairdocs.org/faa-owner/COOK%20TIMOTHY%20W), [Byrdstown, TN](https://openairdocs.org/faa-place/TN/Byrdstown), S/N 011 - [N9503U](https://openairdocs.org/aircraft/N9503U): [Aom Aircraft LLC](https://openairdocs.org/faa-owner/AOM%20AIRCRAFT%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 008 - [N950CB](https://openairdocs.org/aircraft/N950CB): [Woodberry Robert A](https://openairdocs.org/faa-owner/WOODBERRY%20ROBERT%20A), [Mineral, VA](https://openairdocs.org/faa-place/VA/Mineral), S/N 016 - [N950TB](https://openairdocs.org/aircraft/N950TB): [Weiss Elliott](https://openairdocs.org/faa-owner/WEISS%20ELLIOTT), [Fresno, TX](https://openairdocs.org/faa-place/TX/Fresno), built 1980, S/N 020 - [N9512U](https://openairdocs.org/aircraft/N9512U): [Wilkes Jack M](https://openairdocs.org/faa-owner/WILKES%20JACK%20M), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), S/N 018 ## NTSB investigations (9) 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 ERA19FA106](https://openairdocs.org/ntsb/ERA19FA106), Feb 23, 2019: Stol UC-1 (N65NE), Winter Haven, FL, substantial damage, 1 fatal. Probable cause: A total loss of left engine power for reasons that could not be determined, and the instructor's failure to maintain airspeed while maneuvering for a forced landing, which resulted in a loss of… - [NTSB CEN15LA038](https://openairdocs.org/ntsb/CEN15LA038), Oct 25, 2014: Stol UC 1 (N950TB), Jacksonville, TX, substantial damage. Probable cause: The loss of right engine power while climbing due to fuel starvation for reasons that could not be determined during postaccident airplane examination and testing, which led to a forced landing on… - [NTSB NYC08CA241](https://openairdocs.org/ntsb/NYC08CA241), Jul 4, 2008: Stol UC-1 Twin Bee (N9509U), Bunnell, FL, substantial damage. Probable cause: The flight instructor's inadequate recovery from a bounced landing. - [NTSB FTW96LA305](https://openairdocs.org/ntsb/FTW96LA305), Jul 16, 1996: Stol UC-1 (N9507U), Princeton, TX, substantial damage. Probable cause: improper adjustment of the left propeller governor which resulted in uncommanded feathering of the left propeller. Factors were: the airplane's inadequate engine out performance and the lack of… - [NTSB LAX95LA190](https://openairdocs.org/ntsb/LAX95LA190), May 21, 1995: Stol UC-1 (N108CA), Saipan, Sark, destroyed, 3 fatal. Probable cause: an inflight collision with the ocean for undetermined reasons. - [NTSB MIA83FA227](https://openairdocs.org/ntsb/MIA83FA227), Sep 10, 1983: Stol UC-1 (N9510U), Lake Hamilton, FL, destroyed, 1 fatal - [NTSB IAD78FIG15](https://openairdocs.org/ntsb/IAD78FIG15), Aug 8, 1978: United Cons UC-1 (N250MP), Edgewater, MD, destroyed - [NTSB NYC78FA059](https://openairdocs.org/ntsb/NYC78FA059), May 23, 1978: Stol UC-1 (N9504U), Champion, PA, substantial damage, 1 fatal - [NTSB NYC78FNC04](https://openairdocs.org/ntsb/NYC78FNC04), Oct 14, 1977: Republic UC1 (N9506U), Harbor, ME, substantial damage ## FAA accident and incident reports (14) 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 20190223010469A](https://openairdocs.org/incident/20190223010469A), Feb 23, 2019: Stol UC-1 (N65NE), Winter Haven, FL, Destroyed, 1 fatal. Aircraft was being operated for flight training, aircraft departed runway and at approx. 250' the flight instructor performed a simulated engine failure… - [Incident 20190125009559I](https://openairdocs.org/incident/20190125009559I), Jan 25, 2019: Stol UC-1 (N65NE), Winter Haven, FL, No damage. N65NE, Stol, landed runway 5 and the gear collapsed. POB: 3, injuries: none, damage: extent unknown. 01/25/2019 2030Z This incident occurred during gov't… - [Incident 20141127021589I](https://openairdocs.org/incident/20141127021589I), Nov 27, 2014: Stol UC-1 (N9503U), Bensen, NC, No damage. On November 27, 2014 at 19:17 hours, gso inspector trm received accident phone call from atlanta center and NC harnett county sherriff, gerald coley,… - [Accident 20141025024379A](https://openairdocs.org/incident/20141025024379A), Oct 25, 2014: Stol UC-1 (N950TB), Jacksonville, TX, Substantial damage. Lost power in the right engine on climb. Completed loss of engine checklist, unable to restart. Unable to hold altitude. Completed off airport landing into… - [Incident 20130411005389I](https://openairdocs.org/incident/20130411005389I), Apr 11, 2013: Stol UC-1 (N123BR), Bartow, FL, Minor damage. Pilot departed Bartow airport with passenger and raised the gear. On departure the pilot realized he'd forgotten his cell phone & returned to bow airport, put… - [Accident 20080704855259A](https://openairdocs.org/incident/20080704855259A), Jul 4, 2008: Stolac UC1 (N9509U), Bunnell, FL, Substantial damage. (-23) On July 4, 2008 at approximately 1145 EDT, a stol UC-1 amphibious aircraft, registration number N9509U, s/n 021 piloted by [privacy data omitted] giving… - [Incident 20050322005229I](https://openairdocs.org/incident/20050322005229I), Mar 22, 2005: Stolac UC1 (N940Y), Oak Harbor, WA, Minor damage. (-23) At approximately 1200 noon on March 22, 2005 a [privacy data omitted] pilot while landing on runway 07 at whidbey island airpark (76S) in aircraft N940Y,… - [Accident 19960716046149A](https://openairdocs.org/incident/19960716046149A), Jul 16, 1996: Stolac UC1 (N9507U), Princeton, TX, No damage. (-23) At cruise altitude of 4500 ft, with engines set at 2300 RPM and 23 inches of manifold pressure, left engine propeller went to feather position without… - [Accident 19950521012029A](https://openairdocs.org/incident/19950521012029A), May 21, 1995: Stolac UC1 (N108CA), Saipan, PS, Destroyed, 3 fatal. Reported returning due to bad weather en route. Became missing. Wreckage of amphibian and bodies found. - [Incident 19920922041749I](https://openairdocs.org/incident/19920922041749I), Sep 22, 1992: Stolac UC1 (N9509U), Laconia, NH, Minor damage. Twin bee amphiban landed at airport with the landing gear retracted. Pilot check ride. - [Accident 19830910047869A](https://openairdocs.org/incident/19830910047869A), Sep 10, 1983: Stolac UC1 (N9510U), Lake Hamilton, FL, Destroyed. Report indicates amphibian struck water nose down on final as a cabin door hinged from the front came open. - [Accident 19780808036609A](https://openairdocs.org/incident/19780808036609A), Aug 8, 1978: Stolac UC1 (N250MP), Edgewater, MD, Destroyed. Pilot tried to turn back to field rather than land straight aheadwater. - [Accident 19780523035229A](https://openairdocs.org/incident/19780523035229A), May 23, 1978: Stolac UC1 (N9504U), Champion, PA, Substantial damage - [Accident 19771014034879A](https://openairdocs.org/incident/19771014034879A), Oct 14, 1977: Stolac UC1 (N9506U), Harbor, ME, Substantial damage. Ac struck rocks next to unimproved runway. Right tire ruptured & separated. Rnwy 75 feet wide. ## Service difficulty reports (1) As reported by operators and repair stations, by the model named in the report. - [SDR 2005FA0000634](https://openairdocs.org/sdr/2005FA0000634), Feb 25, 2005: CLAMP. CRACKED. LT ENGINE IB EXHAUST TAILPIPE CRACKED, EXPELLING HEAT INTO ENGINE COMPARTMENT, BURNING PAINT ON COWLING. PART FAILURE OCCURRED BECAUSE OF BROKEN SUPPORT CLAMP, ## STCs that may be installed (OpenAirDocs) (56, first 50) 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 SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc - [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc - [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc - [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine - [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc - [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation - [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 SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc - [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine - [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine - [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc - [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine - [STC SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation - [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley - [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation - [STC SA00352BO PAGE 2](https://openairdocs.org/stc/SA00352BO%20PAGE%202): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation - [STC SA02119SE PAGE 2](https://openairdocs.org/stc/SA02119SE%20PAGE%202): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc - [STC SA02442AK PAGE 2](https://openairdocs.org/stc/SA02442AK%20PAGE%202): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC - [STC SA02930NY](https://openairdocs.org/stc/SA02930NY): Installation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) Instruments. Insight Instrument Corporation - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc - [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc - [STC SA02015SE-D](https://openairdocs.org/stc/SA02015SE-D): Installation of Garmin G500 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc - [STC SA02018SE-D](https://openairdocs.org/stc/SA02018SE-D): Provisions installation of Garmin GPS/XM Antennas in accordance with FAA Approved Model List (AML) SA02018SE-D, dated January 4, 2011, or later FAA approved revision, and FAA Approved GPS/XM Antenna STC Master Drawing List, Document No.: 005-00638-01, Revision 1 , approved on January 4, 2011, or later FAA approved revision. Garmin International Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. 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 SA563CH](https://openairdocs.org/stc/SA563CH): Authorizes installation of engines equipped w/Unison Limited Authority Spark Advance Regulator (LASAR) ignition system w/Cylinder Head Temp. (CHT) monitoring capability on airframes. engines. Champion Aerospace LLC - [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system. Champion Aerospace 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 SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC - [STC SA157NE](https://openairdocs.org/stc/SA157NE): Installation of Graphic Engine Monitor System Model GEM-602 S/N 403 and GEM-603 S/N001126and subsequent. Insight Instrument Corp - [STC SA3205SO](https://openairdocs.org/stc/SA3205SO): Installation of Appalachian stainless steel brake discs. Aviation Products, Inc - [STC SA00462AT](https://openairdocs.org/stc/SA00462AT): Replacement of Appalachian stainless steel brake discs P/N 75-23 with Appalachian steel brake disk part number AA-47. Aviation Products, Inc - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA5159NM](https://openairdocs.org/stc/SA5159NM): Installation of chip detector system. Northwest Aircraft Inc - [STC SA300CE](https://openairdocs.org/stc/SA300CE): Installation of Woodward propeller governors on single and twin engine aircraft. (PA-31-325 modified per Colemill STC SA 970SO). Woodward Governor Company - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International All 56: https://openairdocs.org/model/stol-uc-1/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [United Consultants UC-1](https://openairdocs.org/model/united-consultants-uc-1): 1 registered aircraft, registry code 9220102 --- 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.