# N68: 1988 Beech 300

- Status: Valid registration
- Airframe: [Beech 300](https://openairdocs.org/model/beech-300) (registry code 1152930, 19 seats)
- Engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043)
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE) (Textron Aviation Inc.), [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: FF-3
- Year built: 1988
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: April 25, 2014
- Certificate issued: May 25, 1988
- Expires: April 30, 2030
- Mode S code: A900DD
- Registered owner: [Federal Aviation Administration](https://openairdocs.org/faa-owner/FEDERAL%20AVIATION%20ADMINISTRATION)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Government
- Owner's area on the map: 35.3806° N, 97.6484° W: Placed by OpenAirDocs at the center of ZIP code 73169, 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=68
- Page: https://openairdocs.org/aircraft/N68

From the FAA registry file of October 22, 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): 35 in force

### Matched by airframe (Beech 300)

- [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 2025
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2022-03-23](https://openairdocs.org/ad/2022-03-23): Rudder Control System · Garmin G1000 Integrated Avionics System and GFC 700 Automatic… (STC SA01535WI-D). Effective Feb 22, 2022
- [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008
- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [AD 2005-01-18](https://openairdocs.org/ad/2005-01-18): Fuselage stringers · Textron 200, 200C, 200CT and 24 more. Effective Mar 1, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2005-01-04](https://openairdocs.org/ad/2005-01-04): Fuel hose · Textron 100, 200, 200C and 29 more. Effective Feb 22, 2005
- [AD 2004-23-02](https://openairdocs.org/ad/2004-23-02): Nose Landing Gear (NLG) Fork · Textron 100, 1900, 1900C and 50 more. Effective Dec 23, 2004
- [AD 2004-17-02](https://openairdocs.org/ad/2004-17-02): Cross shaft attach bolt · Textron 100, 1900, 1900C and 52 more. Effective Oct 4, 2004
- [AD 2004-08-15](https://openairdocs.org/ad/2004-08-15): TAWS8000 terrain awareness warning systems (TAWS) · Cessna 421, 500, 501 and 18 more. Effective Jun 7, 2004
- [AD 2003-02-03](https://openairdocs.org/ad/2003-02-03): Airstair door and emergency exits · Textron 100, 200, 2000 and 46 more. Effective Mar 7, 2003
- [AD 2002-23-11](https://openairdocs.org/ad/2002-23-11): Elevator Balance Weight Attachment Screws · Textron 1900, 1900C, 1900C (C-12J) and 30 more. Effective Jan 10, 2003
- [AD 99-09-10](https://openairdocs.org/ad/99-09-10): Landing Gear Hand Pump · Textron 200CT, 300, A200CT (C-12D) and 19 more. Effective Jun 7, 1999
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 98-21-35](https://openairdocs.org/ad/98-21-35): Actuator Clevis Assembly in Main Landing Gear · Textron 200T, 300, A200CT (C-12D) and 15 more. Effective Nov 23, 1998
- [AD 98-08-20](https://openairdocs.org/ad/98-08-20): Autopilot Servo Actuators · Alliedsignal Avionics Autopilot Servo Actuators, Mystere-Falcon 20 - C5, Mystere-Falcon 20 - D5 and 17 more. Effective Jun 2, 1998
- [AD 98-04-24](https://openairdocs.org/ad/98-04-24): AFM - Limitations Section - Icing · Textron 100, 300, 58 and 13 more. Effective Mar 13, 1998
- [AD 97-25-03](https://openairdocs.org/ad/97-25-03): AFM - Limitations - Power Levers · Textron 100, 1900, 1900C and 44 more. Effective Jan 21, 1998
- [AD 97-25-01](https://openairdocs.org/ad/97-25-01): Outflow/Safety Valve · Textron 100, 200, 2000 and 38 more. Effective Jan 11, 1998
- [AD 97-23-17](https://openairdocs.org/ad/97-23-17): Pneumatic Tubing · Textron 200, 200C, 200CT and 30 more. Effective Dec 29, 1997
- [AD 94-01-06](https://openairdocs.org/ad/94-01-06): Traffic Alert and Collision Avoidance System II Processors · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 176 more. Effective Feb 4, 1994
- [AD 93-04-02](https://openairdocs.org/ad/93-04-02): Transponders · BAE Systems ATP, CL-600-2A12 (CL-601), DHC-8-101 and 23 more. Effective Mar 26, 1993
- [AD 93-01-20](https://openairdocs.org/ad/93-01-20): Aft Cowling Doors · Textron 300. Effective Mar 10, 1993
- [AD 92-15-01](https://openairdocs.org/ad/92-15-01): Truss-To-Firewall Bolts · Textron 100, 200, 200C and 40 more. Effective Aug 21, 1992
- [AD 92-06-11](https://openairdocs.org/ad/92-06-11): Autopilot/Flight Director System Wiring · Textron 1900C, 300, B200 and 2 more. Effective Mar 30, 1992
- [AD 91-12-11](https://openairdocs.org/ad/91-12-11): Side Windows · Textron 200, 200C, 200CT and 7 more. Effective Jul 15, 1991
- [AD 91-12-10](https://openairdocs.org/ad/91-12-10): Wing Spar Attachment · Textron 300, 300LW, B200 and 2 more. Effective Jul 15, 1991
- [AD 89-19-04 R1](https://openairdocs.org/ad/89-19-04-R1): Wing Fuel Bay Skin Panels · Textron 200, 200C, 200CT and 6 more. Effective Jul 9, 1990
- [AD 90-08-17](https://openairdocs.org/ad/90-08-17): Fuselage Moisture Drain System · Textron 100, 200, 200C and 32 more. Effective May 7, 1990
- [AD 90-06-13](https://openairdocs.org/ad/90-06-13): Vertical Gyro · Bombardier DHC-8-101, DHC-8-102, DHC-8-103 and 14 more. Effective Mar 30, 1990
- [AD 89-22-14](https://openairdocs.org/ad/89-22-14): Aileron Flutter · Textron 200, 200C, 200CT and 9 more. Effective Nov 17, 1989
- [AD 87-04-24](https://openairdocs.org/ad/87-04-24): Elevator Trim Cable System · Textron 1900, 1900C, 200 and 28 more. Effective Apr 14, 1987

### Matched by engine (Pratt & Whitney Canada PT6A-60A)

- [AD 2004-25-18](https://openairdocs.org/ad/2004-25-18): Propeller governor assemblies · Pratt & Whitney Canada PT6A-60A and PT6A-65B. Effective Jan 18, 2005
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997

### Historical (superseded or no longer in force)

- [AD 98-15-13](https://openairdocs.org/ad/98-15-13) (historical): Fuel Hose · Raytheon 100 Model or Series (all), 200 Model or Series (all), 200C and 32 more. Effective Aug 28, 1998
- [AD 96-17-10](https://openairdocs.org/ad/96-17-10) (historical): Outflow/Safety Valve · Raytheon 200 Model or Series (all), 2000, 300 and 5 more. Effective Sep 24, 1996
- [AD 93-25-07](https://openairdocs.org/ad/93-25-07) (historical): Fuselage Stringers · Raytheon 200 Model or Series (all), 200C, 200CT and 22 more. Effective Feb 15, 1994
- [AD 87-22-01 R1](https://openairdocs.org/ad/87-22-01-R1) (historical): Nose Landing Gear Fork · Raytheon 100 Model or Series (all), 1900, 1900C and 50 more. Effective Sep 30, 1989

## Information bulletins (advisory) (10 in force)

- [SAIB CE-15-15](https://openairdocs.org/saib/CE-15-15): Empennage  Horizontal & Vertical Stabilizer Structure. Issued Apr 20, 2015
- [SAIB CE-12-36](https://openairdocs.org/saib/CE-12-36): Flight Controls: Aileron. Issued Jun 19, 2012
- [SAIB CE-06-27](https://openairdocs.org/saib/CE-06-27): . Issued Jan 30, 2006
- [SAIB CE-03-43R1](https://openairdocs.org/saib/CE-03-43R1): . Issued Sep 23, 2003
- [SAIB CE-02-19](https://openairdocs.org/saib/CE-02-19): . Issued Mar 11, 2002
- [SAIB CE-02-11R1](https://openairdocs.org/saib/CE-02-11R1): . Issued Feb 22, 2002
- [SAIB CE-00-16](https://openairdocs.org/saib/CE-00-16): . Issued Feb 4, 2000
- [SAIB ACE-96-15](https://openairdocs.org/saib/ACE-96-15): . Issued Dec 20, 1996
- [SAIB NE-15-21](https://openairdocs.org/saib/NE-15-21): Fuel Injector Nozzle. Issued Aug 19, 2015
- [SAIB CE-03-24](https://openairdocs.org/saib/CE-03-24): . Issued Feb 19, 2003
- [SAIB CE-03-43](https://openairdocs.org/saib/CE-03-43) (historical): . Issued Jun 27, 2003
- [SAIB CE-02-11](https://openairdocs.org/saib/CE-02-11) (historical): . Issued Jan 4, 2002

## NTSB investigations

None matched to N68.

## FAA accident and incident reports

None matched to N68.

## Service difficulty reports (10)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR RU3A202005054020](https://openairdocs.org/sdr/RU3A202005054020), May 4, 2020: WARNING SYSTEM. ACTIVATED. RED "TRIM" ANNUNCIATOR ILLUMINATED ON MFD'S AND AUTOPILOT WOULD NOT ENGAGE.
- [SDR RU3A202001164003](https://openairdocs.org/sdr/RU3A202001164003), Jan 11, 2020: CONTROL HANDLE. DEFECTIVE. FOLLOWING LOW APPROACH RAISED GEAR HANDLE. GEAR INDICATIONS REMAINED 3 GREEN AND NO LIGHT IN THE HANDLE. LOWERED GEAR HANDLE AND RECOVERED WITH GEAR DOWN. RELAY
- [SDR RU3A20191218019](https://openairdocs.org/sdr/RU3A20191218019), Dec 17, 2019: OVERHEAT SENSOR. FAILED. RIGHT ENGINE FIRE EXTINGUISH DISCHARGE LIGHT ILLUMINATED. DISCOVERED RH ENGINE FIRE/OVERHEAT DETECTOR WAS DEFECTIVE. REPLACED DETECTOR
- [SDR RU3A20190312007](https://openairdocs.org/sdr/RU3A20190312007), Mar 12, 2019: PANEL. DAMAGED. MAJOR REPAIR ENGINEERING ORDER (EO),18-28-45 CENTER WING SKIN FILLET PANEL FASTENER HOLE REPAIR, TO REPAIR DAMAGED/ELONGATED FASTENER HOLES NEAR THE LEADING EDG
- [SDR RU3A201806285026](https://openairdocs.org/sdr/RU3A201806285026), Jun 26, 2018: STRINGER. DAMAGED. DAMAGE FOUND ON STRINGERS 15R AND 16R ADJACENT TO AFT TACAN ANTENNA. PERFORMED MAJOR REPAIR EO. BE-18-28-14 R1, FLUSH FLIGHT INSPECTION TACAN ANTENNA INSTALLATI
- [SDR RU3A20170323006](https://openairdocs.org/sdr/RU3A20170323006), Mar 23, 2017: CONNECTOR. DAMAGED. RIGHT SIDE FIRE BOTTLE DISCHARGE LIGHT ILLUMINATED AFTER TAKE OFF. CHANGING THE ELECTRICAL CONNECTOR ON THE RT FIRE BOTTLE SOLVED THE ISSUE. NO FURTHER ACTION R
- [SDR RU3A1124](https://openairdocs.org/sdr/RU3A1124), Nov 9, 2011: UNKNOWN. MALFUNCTIONED. AFTER PLACING GEAR HANDLE DOWN, LANDING GEAR FAILED TO EXTEND NORMALLY. LANDING GEAR RELAY CIRCUIT BREAKER WAS TRIPPED. LANDING GEAR EXTENSION WAS PERFORMED MAN
- [SDR RU3A1115](https://openairdocs.org/sdr/RU3A1115), Jul 1, 2011: ADAPTER. MISALIGNED. DURING INSPECTION FOUND RUDDER SERVO BRIDAL TOP CABLE MISALIGNED COMING OFF RUDDER SERVO CAPSTAN PULLEY. THIS PROLONGED CONDITION WILL CAUSE THE PULLEY AND CABL
- [SDR RU32003F00000](https://openairdocs.org/sdr/RU32003F00000), Nov 13, 2002: PIN. BROKEN. AFTER LEVELING OFF AT 18,000 FT, HEAR A LOUD THUMP FOLLOWED BY ILLUMINATION OF RED CABIN DOOR LIGHT. COMPLETED EMERGENCY CHECKLIST. PRESSURIZATION REMAINED AT 6
- [SDR RU3A0210](https://openairdocs.org/sdr/RU3A0210), Jan 3, 2002: COMPUTER. BURNED. SMOKE ACCOMPANIED BY ACRID FUMES, WAS DETECTED IN THE AIRCRAFT CABIN, MISSION POWER CIRCUIT BREAKER SWITCH ON GENERATOR CONTROL PANEL WAS USED TO TURN OFF POWER

## STCs that may be installed (OpenAirDocs) (322, first 50)

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 (Beech 300)

- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA02658LA](https://openairdocs.org/stc/SA02658LA): Replacement of the original Pratt and Whitney PT6A-60A engines and propellers with Pratt and Whitney PT6A-67A engines and MT Propeller MTV-27-1-N-C-F-R(P)/CFR260-65b propellers. Blackhawk Modifications LLC
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [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 SA04221CH](https://openairdocs.org/stc/SA04221CH): Installation of Thermal Acoustic Kit. Skandia 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 SA02133SE](https://openairdocs.org/stc/SA02133SE): Installation of a Luma Technologies LT-4500 Series Integrated Light\Emitting Diode (LED) Display Panel and LT-3500 LED light modules. Luma Technologies LLC
- [STC SA12345IB](https://openairdocs.org/stc/SA12345IB): Replacement of the Halon Type 1211 portable fire extinguisher with the Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH
- [STC SA03930NY](https://openairdocs.org/stc/SA03930NY): Installation of King Air Belly Payload Mount. Icarus Aero Inc
- [STC SA02017WI](https://openairdocs.org/stc/SA02017WI): The Installation of the Parker-Meggitt iPRESS™ System. 3S Certification LLC
- [STC ST04442CH](https://openairdocs.org/stc/ST04442CH): Installation of SmartSky LiTE System. Apcela IFC JV, LLC dba Apcela ATG
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA12202IB](https://openairdocs.org/stc/SA12202IB): Installation of Garmin GWX Weather Radar System. Maxcraft Avionics Ltd
- [STC SA01535WI-D](https://openairdocs.org/stc/SA01535WI-D): Installation of the Garmin G1000 Integrated Avionics System and GFC 700 Automatic Flight Control System and optional Electronic Stability and Protection (ESP). Garmin International Inc
- [STC SA10941SC](https://openairdocs.org/stc/SA10941SC): Installation of a 3-Tube Rockwell Collins Pro Line 21 Avionics System with Rockwell Collins Integrated Flight Information System 5000, TCAS II, and Honeywell Enhanced Ground Proximity Warning System. BHE and Associates
- [STC SA11300DS](https://openairdocs.org/stc/SA11300DS): Upgrade previously installed Collins Aerospace Radar Altimeter. BHE & Associates Ltd
- [STC SA01868LA](https://openairdocs.org/stc/SA01868LA): Installation of a Wescam FLIR unit into an extended fuselage nose (STC SA00367SE). Metrea Special Aerospace ISR Inc
- [STC SA2794NM](https://openairdocs.org/stc/SA2794NM): Installation of Flight Equipment and Engineer Corp. passenger seats. Metrea Special Aerospace ISR Inc
- [STC SA4490NM](https://openairdocs.org/stc/SA4490NM): Installation of baggage compartment door. Metrea Special Aerospace ISR Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA156CH](https://openairdocs.org/stc/SA156CH): Installation of a TCAS I. Acron Aviation Inc
- [STC SA9210SC-D](https://openairdocs.org/stc/SA9210SC-D): Installation of the L-3 Communications Avionics Systems Infrared Imaging System (IRIS). Acron Aviation Inc
- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA11914IB](https://openairdocs.org/stc/SA11914IB): Installation of the MT-Propeller Entwicklung GmbH MTV-47-1-()-C-F-R(P)/CFR260-361(). MT-Propeller Entwicklung GmbH
- [STC SA11855IB](https://openairdocs.org/stc/SA11855IB): Installation of the Flap Roller Bearing Assembly. Marsh Brothers Aviation Inc
- [STC SA01848WI](https://openairdocs.org/stc/SA01848WI): Modification of a Rockwell Collins Global Positioning System (GPS). Rockwell Collins Inc
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA00322BO](https://openairdocs.org/stc/SA00322BO): Installation of a Supplemental Exterior Lighting System. ATI Engineering Services LLC
- [STC SA00335BO](https://openairdocs.org/stc/SA00335BO): Installation of a Night Vision Goggle (NVG) compatible Lighting System. ATI Engineering Services LLC
- [STC SA00363BO](https://openairdocs.org/stc/SA00363BO): Installation of LED Position Lights. ATI Engineering Services LLC
- [STC SA02033WI](https://openairdocs.org/stc/SA02033WI): Installation of the SmartSky LITE System. Aeronautix
- [STC SA04051CH](https://openairdocs.org/stc/SA04051CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC
- [STC SA01615SE](https://openairdocs.org/stc/SA01615SE): Installation of winglets and related system changes. BLR Aerospace LLC
- [STC SA01050WI](https://openairdocs.org/stc/SA01050WI): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST02752SE](https://openairdocs.org/stc/ST02752SE): Installation of the Starlink Aviation System. AeroMech Incorporated
- [STC SA03316CH](https://openairdocs.org/stc/SA03316CH): Activation of an 802.11 a/b/g/n WiFi System. Elliott Aviation Technical Products Development Inc
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA00975CH](https://openairdocs.org/stc/SA00975CH): Installation of Butterfield Industries Oil Residue Collection System, kit Part Number BI 4020-1. Raisbeck Engineering
- [STC SA00976CH](https://openairdocs.org/stc/SA00976CH): Installation of Butterfield Industries Air/Oil Separator System, kit Part Number BI 6001-3. Raisbeck Engineering Inc
- [STC SA01111SE](https://openairdocs.org/stc/SA01111SE): Installation of engine plenum seal.`. Raisbeck Engineering
- [STC SA02215SE](https://openairdocs.org/stc/SA02215SE): Fabrication of Inspection Panel Kit BI 9501-001. Raisbeck Engineering Inc
- [STC SA02473SE](https://openairdocs.org/stc/SA02473SE): Installation of Raisbeck/Hartzell Swept Blade Turbofan Propellers. Raisbeck Engineering Inc
- [STC SA02559SE](https://openairdocs.org/stc/SA02559SE): Installation of Raisbeck/Hartzell Five-Blade Swept Turbofan Propellers. Raisbeck Engineering Inc
- [STC SA3683NM](https://openairdocs.org/stc/SA3683NM): Installation of exhaust stack fairings. Raisbeck Engineering Inc
- [STC SA4733NM](https://openairdocs.org/stc/SA4733NM): Installation of lower aft fuselage strakes. Raisbeck Engineering Inc
- [STC SA4734NM](https://openairdocs.org/stc/SA4734NM): Installation of nacelle overwing storage lockers and lower flap fairing. Raisbeck Engineering Inc
- [STC SA04601CH](https://openairdocs.org/stc/SA04601CH): Installation of a McCauley Propeller Systems 4HFR34C780/1OSSTA-0 to -2 model propeller. MCCAULEY PROPELLER SYSTEMS
- [STC SA02593AT](https://openairdocs.org/stc/SA02593AT): Installation of a Collins FDS-2000 Flight Display System. Summit Aviation Inc
- [STC SA02570AT-D](https://openairdocs.org/stc/SA02570AT-D): Installation of a TCAS 4000 Traffic Alert and Collision Avoidance System. Summit Aviation Inc

All 322: https://openairdocs.org/aircraft/N68/stcs.md

## Earlier aircraft with N68

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N68 before.

- [Cancelled 1964-07-09](https://openairdocs.org/deregistered/N68-1964-07-09): Beech C18S, S/N 4321, built 1944. Owner: [Federal Aviation Agency](https://openairdocs.org/faa-owner/FEDERAL%20AVIATION%20AGENCY), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1951-01-29](https://openairdocs.org/deregistered/N68-1951-01-29): Beech C18S, S/N 5659. Owner: [Department Of Commerce](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20COMMERCE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1936-08-15](https://openairdocs.org/deregistered/N68-1936-08-15): Beech A-17-FS, S/N 11. Owner: [Bureau Of Air Commerce](https://openairdocs.org/faa-owner/BUREAU%20OF%20AIR%20COMMERCE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1927-10-20](https://openairdocs.org/deregistered/N68-1927-10-20): Curtiss JN4D, S/N 33967. Owner: [Read David B](https://openairdocs.org/faa-owner/READ%20DAVID%20B), [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)

## Related

- Other Beech 300 aircraft: https://openairdocs.org/model/beech-300/aircraft.md
- The Pratt & Whitney Canada PT6A-60A engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a.md

---
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