# Cessna 305C (0-1E)

- Type: Aircraft model (FAA registry)
- Registry code: 2074014
- Manufacturer (registry): CESSNA
- Model: 305C (0-1E)
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Cruise speed: 108 mph
- Certification: Type certificated
- Data sheet: [TCDS 5A5](https://openairdocs.org/tcds/5A5) (OpenAirDocs)
- Holder: Regal Air Inc.
- Registered aircraft: 21
- Page: https://openairdocs.org/model/cessna-305c-0-1e

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.

None matched.

## Registered aircraft (21)

- [N12WW](https://openairdocs.org/aircraft/N12WW): [Wilkinson Ephriam](https://openairdocs.org/faa-owner/WILKINSON%20EPHRIAM), [Eads, TN](https://openairdocs.org/faa-place/TN/Eads), built 1957, S/N 24544
- [N2990](https://openairdocs.org/aircraft/N2990): [L&L Aviation Inc](https://openairdocs.org/faa-owner/L%26L%20AVIATION%20INC), [Advance, NC](https://openairdocs.org/faa-place/NC/Advance), built 1963, S/N 0038
- [N29920](https://openairdocs.org/aircraft/N29920): [White James R](https://openairdocs.org/faa-owner/WHITE%20JAMES%20R), [West Liberty, OH](https://openairdocs.org/faa-place/OH/West%20Liberty), S/N 24503
- [N305CM](https://openairdocs.org/aircraft/N305CM): [Legacy Flight Museum](https://openairdocs.org/faa-owner/LEGACY%20FLIGHT%20MUSEUM), [Rexburg, ID](https://openairdocs.org/faa-place/ID/Rexburg), built 1957, S/N 24558
- [N305SU](https://openairdocs.org/aircraft/N305SU): [305su LLC](https://openairdocs.org/faa-owner/305SU%20LLC), [Rexburg, ID](https://openairdocs.org/faa-place/ID/Rexburg), built 1961, S/N 305M-0007
- [N3234P](https://openairdocs.org/aircraft/N3234P): [Mccraw Samuel A](https://openairdocs.org/faa-owner/MCCRAW%20SAMUEL%20A), [Cowpens, SC](https://openairdocs.org/faa-place/SC/Cowpens), built 1961, S/N 305M-0015
- [N32BD](https://openairdocs.org/aircraft/N32BD): [American Airpower Heritage Flying Museum Inc](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLYING%20MUSEUM%20INC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), S/N 24577
- [N46TM](https://openairdocs.org/aircraft/N46TM): [Cartledge Douglas J](https://openairdocs.org/faa-owner/CARTLEDGE%20DOUGLAS%20J), [Seville, OH](https://openairdocs.org/faa-place/OH/Seville), S/N 24709
- [N4845M](https://openairdocs.org/aircraft/N4845M): [Medore Douglas A](https://openairdocs.org/faa-owner/MEDORE%20DOUGLAS%20A), [Romoland, CA](https://openairdocs.org/faa-place/CA/Romoland), built 1959, S/N 24569
- [N48490](https://openairdocs.org/aircraft/N48490): [Nikitas Harris P Jr](https://openairdocs.org/faa-owner/NIKITAS%20HARRIS%20P%20JR), [Fitchburg, MA](https://openairdocs.org/faa-place/MA/Fitchburg), built 1956, S/N 24563
- [N497](https://openairdocs.org/aircraft/N497): [Mcrae Anna L](https://openairdocs.org/faa-owner/MCRAE%20ANNA%20L), [Kinder, LA](https://openairdocs.org/faa-place/LA/Kinder), built 1957, S/N 24536
- [N521ST](https://openairdocs.org/aircraft/N521ST): [Musick Aircraft Corp](https://openairdocs.org/faa-owner/MUSICK%20AIRCRAFT%20CORP), [Greenwood, MS](https://openairdocs.org/faa-place/MS/Greenwood), S/N 24584
- [N5639V](https://openairdocs.org/aircraft/N5639V): [Honolulu Soaring Inc](https://openairdocs.org/faa-owner/HONOLULU%20SOARING%20INC), [Waipahu, HI](https://openairdocs.org/faa-place/HI/Waipahu), built 1956, S/N 23618
- [N62534](https://openairdocs.org/aircraft/N62534): [Cobb William Troy Trustee](https://openairdocs.org/faa-owner/COBB%20WILLIAM%20TROY%20TRUSTEE), [Fredericksburg, TX](https://openairdocs.org/faa-place/TX/Fredericksburg), S/N 23656
- [N62TX](https://openairdocs.org/aircraft/N62TX): [Lange Robert B](https://openairdocs.org/faa-owner/LANGE%20ROBERT%20B), [Newport Beach, CA](https://openairdocs.org/faa-place/CA/Newport%20Beach), built 1963, S/N 305M0051
- [N711UD](https://openairdocs.org/aircraft/N711UD): [Smith Lane W](https://openairdocs.org/faa-owner/SMITH%20LANE%20W), [White Salmon, WA](https://openairdocs.org/faa-place/WA/White%20Salmon), S/N 24580
- [N780BC](https://openairdocs.org/aircraft/N780BC): [Air Repair Inc](https://openairdocs.org/faa-owner/AIR%20REPAIR%20INC), [Cleveland, MS](https://openairdocs.org/faa-place/MS/Cleveland), built 1959, S/N 24567
- [N801F](https://openairdocs.org/aircraft/N801F): [American Airpower Heritage Flying Museum](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLYING%20MUSEUM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1959, S/N 24712
- [N83CN](https://openairdocs.org/aircraft/N83CN): [Chavez Clifford L](https://openairdocs.org/faa-owner/CHAVEZ%20CLIFFORD%20L), [Seguin, TX](https://openairdocs.org/faa-place/TX/Seguin), built 1957, S/N 24703
- [N88688](https://openairdocs.org/aircraft/N88688): [Boerne Flight Options LLC](https://openairdocs.org/faa-owner/BOERNE%20FLIGHT%20OPTIONS%20LLC), [Boerne, TX](https://openairdocs.org/faa-place/TX/Boerne), built 1961, S/N 61-2962
- [N919BD](https://openairdocs.org/aircraft/N919BD): [Colorado Mustang Specialists Inc](https://openairdocs.org/faa-owner/COLORADO%20MUSTANG%20SPECIALISTS%20INC), [Strasburg, CO](https://openairdocs.org/faa-place/CO/Strasburg), S/N 24551

## NTSB investigations (13)

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 WPR23LA229](https://openairdocs.org/ntsb/WPR23LA229), Jun 17, 2023: Cessna 305C (0-1E) (N62TX), Big Bear City, CA, substantial damage. Probable cause: The pilot’s failure to maintain directional control of the airplane during takeoff.
- [NTSB WPR22LA319](https://openairdocs.org/ntsb/WPR22LA319), Aug 27, 2022: Cessna 305C (0-1E) (N305SU), Rexburg, ID, substantial damage. Probable cause: The pilot's failure to maintain airplane control during the landing roll on a wet airstrip.
- [NTSB CEN20CA242](https://openairdocs.org/ntsb/CEN20CA242), Jun 4, 2020: Cessna 305 (N88688), Castroville, TX, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing.
- [NTSB GAA17CA346](https://openairdocs.org/ntsb/GAA17CA346), Jun 12, 2017: Cessna 305C (0 1E) (N305CM), Rexberg, ID, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing in gusting wind conditions.
- [NTSB CEN14LA089](https://openairdocs.org/ntsb/CEN14LA089), Dec 17, 2013: Cessna 305C (0 1E) (N83CN), Hondo, TX, substantial damage. Probable cause: The pilot's loss of directional control during an attempted go-around for reasons that could not be determined based on the available evidence. Contributing to the accident was the flight…
- [NTSB SEA07CA215](https://openairdocs.org/ntsb/SEA07CA215), Jul 26, 2007: Cessna 305-C (N919BD), Chino, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll.
- [NTSB ATL87LA005](https://openairdocs.org/ntsb/ATL87LA005), Oct 11, 1986: Cessna 305C (N720BC), Catherine, AL, substantial damage
- [NTSB LAX84LA313](https://openairdocs.org/ntsb/LAX84LA313), May 22, 1984: Cessna 305C (N521ST), Ballard, CA, substantial damage
- [NTSB LAX82FJA03](https://openairdocs.org/ntsb/LAX82FJA03), Jan 10, 1982: Cessna 305 (L-19) (N5639V), Mokuleia, HI, substantial damage
- [NTSB ANC75DAG38](https://openairdocs.org/ntsb/ANC75DAG38), Sep 21, 1974: Cessna 305 (N6234), Ugashik, AK, substantial damage
- [NTSB OAK75DJA02](https://openairdocs.org/ntsb/OAK75DJA02), Sep 3, 1974: Cessna 305C (N5639V), Honolulu, HI, no damage
- [NTSB ANC74DAG58](https://openairdocs.org/ntsb/ANC74DAG58), Sep 20, 1973: Cessna 305 (N6233), Susitna, AK, substantial damage
- [NTSB OAK73DJA07](https://openairdocs.org/ntsb/OAK73DJA07), Nov 25, 1972: Cessna 305C (N5639V), Wheelr Afb, HI, 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 20230617012989A](https://openairdocs.org/incident/20230617012989A), Jun 17, 2023: Cessna 305C (0-1E) (N62TX), Big Bear, CA, Substantial damage. On June 17,2023 at approximately 1425 PDT time, Cessna [privacy data omitted]an L19 birddog ground looped on landing runway 08 at Big Bear Airport in CA. There…
- [Accident 20220827022949A](https://openairdocs.org/incident/20220827022949A), Aug 27, 2022: Cessna 305C (N305SU), Rexburg, ID, Substantial damage. Our office was notified on August 27, 2022 of an accident that occurred on August 27, 2022 at about 09:17 local time, of [privacy data omitted] that was…
- [Accident 20200604008929A](https://openairdocs.org/incident/20200604008929A), Jun 4, 2020: Cessna 305C (0-1E) (N88688), Castroville, TX, Substantial damage. PIC performed 7 landings in the aircraft solo at Castroville (cvb) then returned to boerne stage airport (5C1) to pick up a full load of fuel and a 200 pound…
- [Accident 20170612008269A](https://openairdocs.org/incident/20170612008269A), Jun 12, 2017: Cessna 305C (0-1E) (N305CM), Rexburg, ID, Substantial damage. N305CM, was approaching runway 35, at Rexburg id. The winds were being called by the ASOS as 050@15 gusting to 21. The touchdown was normal, the tail came…
- [Incident 20161123019289I](https://openairdocs.org/incident/20161123019289I), Nov 23, 2016: Cessna 305C (0-1E) (N62TX), Bergheim, TX, No damage. On November 23, 2017, at 16:40 hours, a Cessna 305C [privacy data omitted] landed on private propery. VFR flight conditions prevailed and the pilot did not…
- [Accident 20131217024459A](https://openairdocs.org/incident/20131217024459A), Dec 17, 2013: Cessna 305C (0-1E) (N83CN), Hondo, TX, Substantial damage. During the landing phase the aircraft swerved hard to the left and departed the runway. The aircraft skidded sideways for approximately 100 yards when the…
- [Accident 20070726824799A](https://openairdocs.org/incident/20070726824799A), Jul 26, 2007: Cessna 305C (N919BD), Chino, CA, Minor damage. (-23) Damage to the t wheel and lower skin. Unconfirmed report that the pilot ground looped. Left voicemail with owner, no response as of 09/17/07. Owner was…
- [Incident 19980412018349I](https://openairdocs.org/incident/19980412018349I), Apr 12, 1998: Cessna 305C (N83CN), San Luis Obispo, CA. Lost oil pressure. Made emergency landing at a private air strip.
- [Accident 19861011048619A](https://openairdocs.org/incident/19861011048619A), Oct 11, 1986: Cessna L19E (N720BC), Catherine, AL, Substantial damage. The engine failed on takeoff and the airplane landed ina soybean field. Suspect fuel starvation.
- [Accident 19840522025352A](https://openairdocs.org/incident/19840522025352A), May 22, 1984: Cessna 305C (N521ST), Ballard, CA, Substantial damage. During prearranged formation flight aircraft was overtaken and struck by propellor of N73857.
- [Accident 19820109000829A](https://openairdocs.org/incident/19820109000829A), Jan 9, 1982: Cessna 305C (N5639V), Mokuleia, HI, Substantial damage. Lost directional control landing roll. Right brake failed. Back plate brake lining missing. Brakes worn to rivets.
- [Accident 19740921034219A](https://openairdocs.org/incident/19740921034219A), Sep 21, 1974: Cessna 305C (N6234), Ugashik, AK, Substantial damage. Float equipped acft hit submerged sand bar. Plt made prev low pass.
- [Accident 19740903028469A](https://openairdocs.org/incident/19740903028469A), Sep 3, 1974: Cessna 305C (N5639V), Honolulu, AK. Personnel struck by prop while hand propping eng
- [Accident 19730920035709A](https://openairdocs.org/incident/19730920035709A), Sep 20, 1973: Cessna O1E (N6233), Susitna, AK, Substantial damage. Didnt use boost pump switching tanks. Un restart eng. Float equipped,lndd in river,slid into trees.

## Service difficulty reports (7)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA160316002](https://openairdocs.org/sdr/CA160316002), Mar 15, 2016: BRACKET. CRACKED. (CAN) DURING ANNUAL INSPECTION, A CRACK WAS DISCOVERED IN THE RT OUTBOARD FLAP BRACKET. IT ORIGINATED FROM THE RELEIF NOTCH AT THE LOWER(R/H) AFT ATTACHMENT TAB
- [SDR CA150514004](https://openairdocs.org/sdr/CA150514004), Mar 10, 2015: PLATE. CRACKED. (CAN) DURING A SPECIAL INSPECTION OF THE AFFECTED AREA, SEVERAL CRACKS WAS DISCOVERED ON THE FWD LT LANDING GEAR REINFORCEMENT PLATE, PN-0613105-2. THE CRACKS R
- [SDR CA150508013](https://openairdocs.org/sdr/CA150508013), Nov 6, 2014: REINFORCEMENT. CRACKED. (CAN) FOUR CRACKS FOUND IN 4 REINFORCEMENT PLATES, STEEL, RT & LT, FWD & AFT OF LANDING GEAR BULKHEAD ASSEMBLY. BULKHEAD UNDER THE REINFORCEMENT PLATES CRACKED 
- [SDR CA150508011](https://openairdocs.org/sdr/CA150508011), Nov 4, 2014: REINFORCEMENT. CRACKED. (CAN) CRACK FOUND IN RADIUS OF REINFORCEMENT PLATES, STEEL, RT & LT SIDE AFT. BULKHEAD FWD OF REINFORCEMENT PLATES CRACKED AS WELL. CAUSES UNKNOWN BUT MANY CYCL
- [SDR CA010627043](https://openairdocs.org/sdr/CA010627043), Jun 21, 2001: ALTERNATOR. FAILED. (CAN) ALTERNATOR REMOVED FROM AIRCRAFT AFTER PILOT REPORTED NO INDICATION OF CHARGE AFTER HIS LAST LANDING. AFTER MAKING A FEW TEST, IT WAS DETERMINED THAT THE 
- [SDR CA010703036](https://openairdocs.org/sdr/CA010703036), Jun 15, 2001: RETAINER. CRACKED. (CAN) ALTERNATOR REMOVED FROM AIRCRAFT ENGINE FOR INVESTIGATION AND TO SEE F RETAINER CUP WAS DAMAGED. LOOKING AT THE ALTERNATOR SPLINE EAR AMD DRIVE SHAFT, EVI
- [SDR CA010703035](https://openairdocs.org/sdr/CA010703035), Jun 15, 2001: RETAINER. BROKEN. (CAN) ALTERNATOR REMOVED FROM A/C ENGINE FOR INVEST. & TO SEE IF RETAINER CUP WS DAMAGED. SMALL PIECES OF METAL & RUBBER FELL OFF ACCESSORIES CASE UPON REMOVAL 

## STCs that may be installed (OpenAirDocs) (82, 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 SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [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 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 SA2918NM](https://openairdocs.org/stc/SA2918NM): Attach a casting to the landing gear fuselage attach angles just above main landing gear legs. McFarlane Aviation LLC
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA3-370](https://openairdocs.org/stc/SA3-370): Installation of Wipaire Skis Inc. Model 3000 (Aircraft Skis) (FluiDyne) (Fli-Lite) Main ski. F.Atlee Dodge Aircraft Services
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC
- [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 SA03286CH](https://openairdocs.org/stc/SA03286CH): Install an electronic engine ignition system. Electroair Acquisition Corporation
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [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 SA00780SE](https://openairdocs.org/stc/SA00780SE): Installation of the True Lock Safety Retention Axle Lock Nut System. True Lock LLC
- [STC SA1702SW](https://openairdocs.org/stc/SA1702SW): Install 26 gallon fuel tanks. Noyes Enterprises
- [STC SA4305WE](https://openairdocs.org/stc/SA4305WE): Installation of GAR-AERO wheel adapters and tundra type tires on the main landing gear. Seaplanes North LLC
- [STC SA2162NM](https://openairdocs.org/stc/SA2162NM): Installation of the Precise Flight stand-by vacuum system (SVS). Precise Flight Inc
- [STC SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc
- [STC SA02428AK](https://openairdocs.org/stc/SA02428AK): Installation of a hydraulically actuated ski drag assembly. Northern Airframes LLC
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments
- [STC SA01026SE](https://openairdocs.org/stc/SA01026SE): Improved fuel gascolator assembly. Steve's Aircraft
- [STC SA1201SW](https://openairdocs.org/stc/SA1201SW): Lycoming O-540-A4B5 engine. Noyes Enterprises
- [STC ST00961LA](https://openairdocs.org/stc/ST00961LA): Installation of MASS Systems fire extinguisher cartridges as replacements for Walter Kidde Aerospace fire extinguisher cartridges in fire extinguisher bottles installed in the airplane models noted on the FAA Approved Model List dated June 29, 2000, or later FAA approved revisions. These fire extinguisher cartridges are in accordance with the MASS Systems Master Drawing List No. 30980-1, "Slug Thrower Cartridges Master Drawing List", Revision N/C, dated June 26, 2000, or later FAA approved revisions. AMETEK AMERON LLC d/b/a MASS Systems
- [STC SA1315WE](https://openairdocs.org/stc/SA1315WE): Installation of Mixture Monitor (exhaust gas temperature probe, gage and selector) in accordance with Delta Products Part Lists A-192 and A-193, or in accordance with Tri-Star Corporation Mixture Monitor Installation Instructions dated December 9, 1981, or later FAA approved revision and/or Drawing List MM-127 dated November 15, 1981, or later FAA approved revision in aircraft models listed in Master Eligibility List P-80-A-6 revised March 29, 1968, copy attached, or later FAA approved revision. Universal Corporation
- [STC SA2109SO](https://openairdocs.org/stc/SA2109SO): Installation of Teledyne Continental Motors Model IO-470K engine in accordance with Colemill Enterprises Installation Instructions for Modification of Cessna Model 305-A-C-D-F Revised April 24, 1987 and Colemill Enterprises Drawing No. 3000 Revision A dated May 6, 1987. Mike Jones Aircraft Sales Inc
- [STC SA281SW](https://openairdocs.org/stc/SA281SW): Installation of gravity flow fuel system, carburetor heater system, and fuel selector valve in accordance with Ector Aircraft Company Drawing No. 271000 dated 9/16/1963; 72000 Rev. 2/18/1964, Ector Aircraft Drawings dated 10/16/1963 and 7/1/1963, or later FAA approved revisions and seven photographs. Or Installation of gravity flow fuel system, carburetor heater system, and fuel selector valve in accordance with Air Repair, Inc. Engineering Report AR063 dated May 12, 2009, or later FAA approved revision. Steve Noyes
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics 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 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 SA01032WI](https://openairdocs.org/stc/SA01032WI): Installation of external aerodynamic Vortelator Kit on airplanes. Aircraft Development Co
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc
- [STC SA2557NM](https://openairdocs.org/stc/SA2557NM): Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system. K S Avionics Inc. Lists 305 Series
- [STC SA01735SE](https://openairdocs.org/stc/SA01735SE): Installation of 27-gallon extended range wing fuel tanks. Del-Air
- [STC SA8150SW](https://openairdocs.org/stc/SA8150SW): Installation of VENTUBE pilot/co-pilot overhead fresh air valves. (195 SERIES LC-126A; LC-126B; LC-126C). Soros Inc. a Texas Corporation
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SA01158WI](https://openairdocs.org/stc/SA01158WI): Installation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System. Aero Enhancements Inc
- [STC SA01157LA](https://openairdocs.org/stc/SA01157LA): Installation of Electronics International Model FP-5 or FP-5L fuel flow/fuel pressure instrument as a replacement instrument. Electronics International Inc
- [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 SA759GL](https://openairdocs.org/stc/SA759GL): Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation
- [STC SA489EA](https://openairdocs.org/stc/SA489EA): Installation of ARP Inc. carburetor ice detection system. Aircraft & Rotorcraft Products (ARP) Inc
- [STC SA1005SC](https://openairdocs.org/stc/SA1005SC): Installation of airflow register into baggage compartment cover and insert a screened vent into empennage inspection plate. Soros, Inc. Lists 305 Series
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC
- [STC SA02168AK](https://openairdocs.org/stc/SA02168AK): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. Avalaska Inc
- [STC SA00066SE](https://openairdocs.org/stc/SA00066SE): Fabrication of interchangeable float spreader bars. Aerocet Inc

All 82: https://openairdocs.org/model/cessna-305c-0-1e/stcs.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Cessna/Inland Valley Avia 305 C](https://openairdocs.org/model/cessna-inland-valley-avia-305-c): 1 registered aircraft, registry code 2074013

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