# N84: 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-19
- Year built: 1988
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: December 30, 1994
- Certificate issued: January 12, 1989
- Expires: June 30, 2029
- Mode S code: AB7D7F
- 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=84
- Page: https://openairdocs.org/aircraft/N84

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 N84.

## NTSB investigations on N84 not matched to an aircraft (2)

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 NYC81IA002](https://openairdocs.org/ntsb/NYC81IA002), Oct 10, 1980: Rockwell 1121 (N84), Newark, NJ, incident, no damage
- [NTSB NYC76IN064](https://openairdocs.org/ntsb/NYC76IN064), Jan 13, 1976: Israel Ind 1121B (N84), Erie, PA, incident, minor damage

## FAA accident and incident reports (2)

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.

- [Incident 20171114018749I](https://openairdocs.org/incident/20171114018749I), Nov 14, 2017: Beech 300 (N84), Madison, WI, No damage. During cruise flight at FL260 smoke was observed coming from the right aft avionics compartment. Pilot declared an emergency and landed in Madison, WI. Upon…
- [Incident 19970108002359I](https://openairdocs.org/incident/19970108002359I), Jan 8, 1997: Beech 300BEECH (N84), Oklahoma City, OK. Narrative: on ILS runway 35R okc - gear handle placed down - no right gear green light. Press to test ok. Still no green light. Used manual extension check…

## Service difficulty reports (18)

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 RU3A2021011900002](https://openairdocs.org/sdr/RU3A2021011900002), Jan 19, 2021: UPLOCK SWITCH. OUT OF ADJUST. GEAR HANDLE RAISED, RED LIGHT IN HANDLE DID NOT EXTINGUISH. UPLOCK SWITCH IN RT MAIN GEAR NEEDED TO BE ADJUSTED.
- [SDR RU3A20200430019](https://openairdocs.org/sdr/RU3A20200430019), Apr 30, 2020: UNKNOWN. MALFUNCTIONED. LEFT ENGINE OIL TEMP HIGH. RAPID RISE IN OIL TEMP, TEMP FOLLOWS POWER LEVER. ENGINE AT IDLE TO MAINTAIN ACCEPTABLE TEMPERATURE
- [SDR RU3A20200421018](https://openairdocs.org/sdr/RU3A20200421018), Apr 21, 2020: UNKNOWN. MALFUNCTIONED. LEFT ENGINE OIL TEMP EXCEEDED 99 DEG. W/YELLOW INDICATOR. TEMP REACHED 107 DEG. W/NORMAL OIL PRESSURE. TEMP RETURNED TO NORM RANGE DESCENDING FOR CAUTIONARY LAN
- [SDR RU3A20200187012](https://openairdocs.org/sdr/RU3A20200187012), Mar 18, 2020: CAM. OUT OF ADJUST. SIGNIFICANT YAW TO LEFT UPON TOUCHDOWN. LEFT PROP WENT TO GND IDLE ABOUT 2-3 SECONDS BEFORE RIGHT PROP. MX ADJUSTED LH GND IDLE STOP SWITCH CAM. WILL MONITOR.
- [SDR RU3A202002121009](https://openairdocs.org/sdr/RU3A202002121009), Feb 11, 2020: AUTOFEATHER SYS. MALFUNCTIONED. DURING INITIAL CLIMB OUT RT AUTOFEATHER ANNUNCIATOR EXTINGUISHED. WOULD NOT REARM AT INCREASED PWR SETTINGS.
- [SDR RU3A20191029056](https://openairdocs.org/sdr/RU3A20191029056), Oct 29, 2019: WARNING MESSAGE. ILLUMINATED. RT BL AIR FAIL ANNUNCIATOR ILLUMINATED. ENGINE INDICATIONS ALL NORMAL.
- [SDR RU3A2019103129057](https://openairdocs.org/sdr/RU3A2019103129057), Oct 1, 2019: TUBE. DAMAGED. LEFT BLEED AIR FAILURE ANNUNCIATOR ILLUMINATED DURING CRUISE AT 17,000FT. ALL ENGINE INDICATIONS NORMAL. BLEED AIR FAIL CHECKLIST COMPLIED WITH. CORRECTIVE ACTI
- [SDR RU3A20190929047](https://openairdocs.org/sdr/RU3A20190929047), Sep 29, 2019: LINE. CHAFED. L BL AIR FAIL ANNUNCIATOR ILLUMINATED DURING CRUISE. ALL ENGINE INDICATIONS NORMAL. MAINTENANCE DISCOVERED A SCREW HAD CHAFED A HOLE INTO BLEED AIR LINE.
- [SDR RU3A20180322014](https://openairdocs.org/sdr/RU3A20180322014), Mar 22, 2018: BRAKE. INOPERATIVE. RIGHT BRAKE INOPERATIVE ON PILOT SIDE. RT BRAKE VERY WEAK ON COPILOT SIDE.
- [SDR RU3A20171212049](https://openairdocs.org/sdr/RU3A20171212049), Dec 12, 2017: BRAKE SYS. WEAK. AIRCRAFT STARTING AN UNCOMMANDED AND UNCONTROLLABLE LEFT TURN WHILE DECELERATING. LEFT PILOT SEAT RIGHT BRAKE PEDAL "FELT LIKE MUSH" AND DEPRESSED FULLY AND HAD
- [SDR RU3A20171115039](https://openairdocs.org/sdr/RU3A20171115039), Nov 14, 2017: STEERING SYS. MALFUNCTIONED. ON LANDING ROLL OUT, AIRCRAFT WOULD NOT TURN RIGHT WITH FULL RIGHT PEDAL.
- [SDR RU3A20171115038](https://openairdocs.org/sdr/RU3A20171115038), Nov 14, 2017: UNKNOWN. SMOKE. AT FL 260 CABIN FILLED WITH WHITE SMOKE. EMERGENCY DECLARED, EMERGENCY DESCENT EXECUTED.
- [SDR RU3A20170421008](https://openairdocs.org/sdr/RU3A20170421008), Apr 21, 2017: OIL SYSTEM. LOW PRESSURE. LOW OIL PRESSURE. 29PSI AT CRUISE POWER, RED ANNUNCIATOR ALSO ON NR 1 ENGINE
- [SDR RU3A20160106002](https://openairdocs.org/sdr/RU3A20160106002), Jan 6, 2016: TERMINAL. FAULTY. BEFORE LANDING CHECKLIST, GEAR LEVER WAS PLACED IN THE DOWN POSITION, THE PIC NOTED THAT THE NOSE & TWO MLG INDICATOR GREEN LIGHTS WERE NOT ILLUMINATED. THE PIC
- [SDR RU3A20140414014](https://openairdocs.org/sdr/RU3A20140414014), Apr 14, 2014: FASTENER. LOOSE. FUEL LEAK OUT OF LT ENG AUXILIARY TANK COVER PANEL. TIGHTENED HARDWARE & LINES, NO LEAKS FOUND.
- [SDR RU3A1107](https://openairdocs.org/sdr/RU3A1107), Feb 3, 2011: PRESSURE SWITCH. WEAK. RIGHT BLEED AIR FAIL LIGHT ILLUMINATED IN FLIGHT. RAN CHECKLIST AND DIVERTED FOR AN UNSCHEDULED LANDING. MAINTENANCE FOUND RIGHT BLEED AIR PRESSURE SWITCH TO BE
- [SDR RU3A1022](https://openairdocs.org/sdr/RU3A1022), Dec 20, 2010: DUCT. DAMAGED. WHILE CLIMBING THROUGH FL 190, RIGHT BLEED AIR FAIL LIGHT AND MASTER WARNING ANNUNCIATOR ILLUMINATED. CREW ACCOMPLISHED EMERGENCY CHECKLIST AND PNF ALERTED ATC.
- [SDR 96ZZZX770](https://openairdocs.org/sdr/96ZZZX770), Jan 23, 1996: WINDSHIELD. CRACKED. COPILOT'S WINDSHIELD CRACKED IN CENTER OF WINDOW - TOP-TO-BOTTOM (OUTSIDE PLY ONLY). SUBMITTER STATED IT LOOKS LIKE A BUILD-UP OF STATIC ELECTRICITY.

## 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/N84/stcs.md

## Earlier aircraft with N84

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N84 before.

- [Cancelled 1967-09-13](https://openairdocs.org/deregistered/N84-1967-09-13): Douglas C54-D, S/N 10794. Owner: [Federal Aviation Agency](https://openairdocs.org/faa-owner/FEDERAL%20AVIATION%20AGENCY), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1961-03-06](https://openairdocs.org/deregistered/N84-1961-03-06): Lockheed F-80-C-10, S/N 2115. Owner: [U S Department Of The Air Force](https://openairdocs.org/faa-owner/U%20S%20DEPARTMENT%20OF%20THE%20AIR%20FORCE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled 1930-04-29](https://openairdocs.org/deregistered/N84-1930-04-29): Swallow SWALLOW, S/N 29. Owner: [Tabraham George E](https://openairdocs.org/faa-owner/TABRAHAM%20GEORGE%20E), [Detroit, MI](https://openairdocs.org/faa-place/MI/Detroit)

## 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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