# N1924T: 1969 Beech 99A

- Status: Valid registration
- Airframe: [Beech 99A](https://openairdocs.org/model/beech-99a) (registry code 1154003, 17 seats)
- Engine: [U/A Canada PT6 SER 578HP](https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp) (registry code 61501)
- Data sheets: [TCDS A14CE](https://openairdocs.org/tcds/A14CE) (Textron Aviation Inc.) (OpenAirDocs)
- Serial number: U-115
- Year built: 1969
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: June 10, 1969
- Certificate issued: April 12, 2007
- Expires: January 31, 2030
- Mode S code: A1728F
- Registered owner: [Uas Transervices Inc](https://openairdocs.org/faa-owner/UAS%20TRANSERVICES%20INC)
- Location: [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton)
- Owner type: Corporation
- Owner's area on the map: 26.3746° N, 80.1066° W: Placed by OpenAirDocs at the center of ZIP code 33431, 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=1924T
- Page: https://openairdocs.org/aircraft/N1924T

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): 44 in force

### Matched by airframe (Beech 99A)

- [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 2020-25-01](https://openairdocs.org/ad/2020-25-01): Wings · Textron 100, 65-90, 65-A90 and 17 more. Effective Jan 11, 2021
- [AD 2006-13-10](https://openairdocs.org/ad/2006-13-10): Rudder trim tab · Textron 100, 65-90, 65-A90 and 18 more. Effective Aug 7, 2006
- [AD 2006-12-25](https://openairdocs.org/ad/2006-12-25): Actuator nut assembly · General Machine - Diecron Actuator nut assembly, 100, 200 and 15 more. Effective Jul 28, 2006
- [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 2005-01-19](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 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 2001-11-04](https://openairdocs.org/ad/2001-11-04): Main Landing Gear Hydraulic Actuator and Caps · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jul 23, 2001
- [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 97-06-06](https://openairdocs.org/ad/97-06-06): Pilot and Copilot Chairs Locking Pins · Textron 100, 1900, 1900C and 43 more. Effective May 9, 1997
- [AD 97-01-12](https://openairdocs.org/ad/97-01-12): Ground Proximity Warning System · Airtell International Ground Proximity Warning System, Mystere-Falcon 200, EMB-110P1 and 20 more. Effective Feb 25, 1997
- [AD 95-26-15 R1](https://openairdocs.org/ad/95-26-15-R1): Traffic Alert and Collision Avoidance Systems · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 159 more. Effective Dec 26, 1996
- [AD 96-09-13](https://openairdocs.org/ad/96-09-13): AFM - Icing · Textron 1900, 1900C, 1900D and 7 more. Effective Jun 11, 1996
- [AD 96-03-13](https://openairdocs.org/ad/96-03-13): Main Landing Gear Drag Leg Lock Link · Textron 100, 200, 200C and 24 more. Effective Apr 1, 1996
- [AD 95-13-03](https://openairdocs.org/ad/95-13-03): Electrical Landing Gear Motor · Textron 100, 200, 200C and 22 more. Effective Jul 28, 1995
- [AD 92-15-13](https://openairdocs.org/ad/92-15-13): Wing Structure · Textron 99, 99A, 99A (FACH) and 4 more. Effective Aug 24, 1992
- [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 90-15-18](https://openairdocs.org/ad/90-15-18): Vertical Stabilizer Main Spar · Textron 99, 99A, A99A and 1 more. Effective Sep 11, 1990
- [AD 90-12-07](https://openairdocs.org/ad/90-12-07): Wing Attach Bolts and Nuts · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jul 2, 1990
- [AD 88-04-07](https://openairdocs.org/ad/88-04-07): Wing Spar Nuts Inspection · Textron 100, 65, 65-80 and 18 more. Effective Apr 18, 1988
- [AD 87-03-06 R1](https://openairdocs.org/ad/87-03-06-R1): Elevator Hinge Attachment · Textron 100, 99, 99A and 5 more. Effective Mar 12, 1987
- [AD 85-22-05](https://openairdocs.org/ad/85-22-05): Nuts and Bolts Replacement · Textron 100, 200, 200C and 60 more. Effective Nov 12, 1985
- [AD 69-24-02 R3](https://openairdocs.org/ad/69-24-02-R3): Maximum Speed · Textron 99, 99A, 99A (FACH) and 4 more. Effective Apr 11, 1983
- [AD 72-10-04 R2](https://openairdocs.org/ad/72-10-04-R2): Landing Gear System · Textron 99, 99A, A99 and 2 more. Effective May 13, 1982
- [AD 81-18-08 R3](https://openairdocs.org/ad/81-18-08-R3): Revised AFM · Textron 99, 99A, A99 and 2 more. Effective Feb 16, 1982
- [AD 81-23-01 R1](https://openairdocs.org/ad/81-23-01-R1): Beech Kit or Supplemental Type Certificate · Textron 100, 65, 65-88 and 20 more. Effective Jan 4, 1982
- [AD 80-07-05](https://openairdocs.org/ad/80-07-05): Bolt and Nut, Wing Section · Textron 200, 200C, 200T and 10 more. Effective Apr 3, 1980
- [AD 79-01-01](https://openairdocs.org/ad/79-01-01): Screws in Control System · Textron 100, 200, 35-B33 and 34 more. Effective Jan 8, 1979
- [AD 78-22-05](https://openairdocs.org/ad/78-22-05): Elevator Control Push Rods · Textron 100, 50, 65 and 31 more. Effective Nov 6, 1978
- [AD 78-05-06](https://openairdocs.org/ad/78-05-06): Flexible Fuel Cells · Cessna 180, 182, 185 and 98 more. Effective Jun 30, 1978
- [AD 76-22-03](https://openairdocs.org/ad/76-22-03): Elevator Control · Textron 100, 99, 99A and 4 more. Effective Nov 4, 1976
- [AD 75-15-07](https://openairdocs.org/ad/75-15-07): Landing Gear System · Textron 99, 99A, A99A and 1 more. Effective Jul 25, 1975
- [AD 74-16-03](https://openairdocs.org/ad/74-16-03): Restricted Elevator Travel · Textron 100, 99, 99A and 4 more. Effective Aug 6, 1974
- [AD 72-26-01](https://openairdocs.org/ad/72-26-01): Nose Compartment Door Latch · Textron 99, 99A, 99A (FACH) and 4 more. Effective Dec 21, 1972
- [AD 72-20-03](https://openairdocs.org/ad/72-20-03): Heater Overheat · Textron 65-90, 65-A90, 99 and 4 more. Effective Sep 27, 1972
- [AD 72-09-03](https://openairdocs.org/ad/72-09-03): Security of Control Wheel Adapters · Textron 99, 99A, 99A (FACH) and 4 more. Effective May 2, 1972
- [AD 71-06-01](https://openairdocs.org/ad/71-06-01): Faults, Failures and Improper Operation · Textron 99, 99A, 99A (FACH) and 4 more. Effective Oct 19, 1971
- [AD 71-05-03](https://openairdocs.org/ad/71-05-03): Known Icing Conditions · Textron 99, 99A, 99A (FACH) and 5 more. Effective Jul 16, 1971
- [AD 70-10-01](https://openairdocs.org/ad/70-10-01): Instrument Panel Circuit Boards · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jun 3, 1971
- [AD 69-08-02](https://openairdocs.org/ad/69-08-02): Elevator Spar Web · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jun 3, 1971
- [AD 69-06-06](https://openairdocs.org/ad/69-06-06): Rudder Spar · Textron 65-80, 65-88, 65-90 and 12 more. Effective Jun 3, 1971

### Matched by engine (U/A Canada PT6 SER 578HP)

None in force.

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

- [AD 92-07-05](https://openairdocs.org/ad/92-07-05) (historical): Rudder Trim Tab · Raytheon 100 Model or Series (all), 65-90, 65-A90 and 16 more. Effective Apr 30, 1992
- [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) (3 in force)

- [SAIB 2026-16](https://openairdocs.org/saib/2026-16): Elevator Control System. Issued Sep 10, 2026
- [SAIB CE-12-36](https://openairdocs.org/saib/CE-12-36): Flight Controls: Aileron. Issued Jun 19, 2012
- [SAIB CE-05-57](https://openairdocs.org/saib/CE-05-57): . Issued Jun 2, 2005

## NTSB investigations (1)

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 IAD78FA033](https://openairdocs.org/ntsb/IAD78FA033), Jan 17, 1978: Beech B99A (N1924T), Clarksburg, WV, substantial damage

## FAA accident and incident reports (4)

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 20110621012459I](https://openairdocs.org/incident/20110621012459I), Jun 21, 2011: Beech 99A (N1924T), Minor damage. While in cruise, 20 miles north of the gorman VORTAC, the pilot of N1927T noticed sparks coming from the exhaust on the right engine. Soon after that, he saw…
- [Incident 20031009036299I](https://openairdocs.org/incident/20031009036299I), Oct 9, 2003: Beech 99A (N1924T), Montague, CA, Minor damage. (-23) At 1020 PST on 10/09/03, N1924T, a be 99, amf #202, a 14 CFR 135 cargo flight, touched down short of the pavement during landing on runway 32 at Montague…
- [Incident 19870514035629I](https://openairdocs.org/incident/19870514035629I), May 14, 1987: Beech B99 (N1924T), Salt Lake City, UT. The right main gear did not initially indicate down and locked. Aircraft landed safely. Microswitch malfunction.
- [Accident 19780117001699A](https://openairdocs.org/incident/19780117001699A), Jan 17, 1978: Beech B99 (N1924T), Clarksburg, WV, Substantial damage. Co-pilot stated acft entered near white-out condition.

## Service difficulty reports (5)

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 JIKA2019100701](https://openairdocs.org/sdr/JIKA2019100701), Sep 30, 2019: INDICATOR. ERRATIC. AFTER TAKEOFF, THE PILOT NOTICED THE LEFT ENGINE ITT INDICATOR WAS INDICATING MORE THAN 900 C. LEFT ENGINE THROTTLE WAS PULLED BACK UNTIL THE TEMPERATURE WAS AT
- [SDR JIKA2016090601](https://openairdocs.org/sdr/JIKA2016090601), Sep 6, 2016: SHAFT. BROKEN. THE PILOT REPORTED THAT DURING DEPARTURE, THE LANDING GEAR WAS SELECTED TO THE UP POSITION. THE MLG REMAINED DOWN WITH A LANDING GEAR UNSAFE INDICATION, AND A L
- [SDR JIKA2015061001](https://openairdocs.org/sdr/JIKA2015061001), Jun 10, 2015: DIODE. DEFECTIVE. AFTER TAKEOFF, PILOT NOTICED THE LT GEN ANNUNCIATOR ILLUMINATED, PILOT TRIED TO RESET GEN TWO TIMES WITH NO EFFECT. DECIDED TO RETURN AFTER VECTORING BACK PILOT
- [SDR JIKA2014122401](https://openairdocs.org/sdr/JIKA2014122401), Dec 24, 2014: RELAY. FAILED. DURING CLIMB OUT AT APPROX 8000 FT MSL, PILOT NOTICED RT GENERATOR FAILED. PERFORMED POH CHECKLIST ITEMS & TRIED TO RESET GENERATOR WITH THE SAME RESULTS. TOWER
- [SDR JIKA11062101](https://openairdocs.org/sdr/JIKA11062101), Jun 21, 2011: ENGINE. MALFUNCTIONED. APPROXIMATELY 20 NM NORTH OF GORMAN AT 11,000 MSL, THE PILOT REPORTED A LOUD "BANG" FROM THE RIGHT ENGINE, FOLLOWED BY "AN INTENSE SHOWER OF SPARKS" COMING FROM

## STCs that may be installed (OpenAirDocs) (147, 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 99A)

- [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 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 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 SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [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 SA00185LA](https://openairdocs.org/stc/SA00185LA): Installation of Alternate Main Landing Gear Tires, Michelin P/N 026-335-0. Metrea Special Aerospace ISR Inc
- [STC SA00929AT](https://openairdocs.org/stc/SA00929AT): Installation of a TCAS-791 traffic alert and collision avoidance system (TCAS I). Acron Aviation Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation 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 SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc
- [STC SA04196NY](https://openairdocs.org/stc/SA04196NY): Installation of LAI Heated Windshields. Lee Aerospace Inc
- [STC SA00120IB](https://openairdocs.org/stc/SA00120IB): Installation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS). Avmax Aviation Services Inc
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC SA00741WI](https://openairdocs.org/stc/SA00741WI): Installation of the Concorde RG-380E/K series VRSLA batteries in airplanes listed on the attached FAA approved Model List (AML). Aero-Mach Wilco LLC
- [STC SA1509GL](https://openairdocs.org/stc/SA1509GL): Installation of Cleveland MAIN wheels and BRAKES. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA646GL](https://openairdocs.org/stc/SA646GL): Installation of Cleveland wheel and brake conversion kit 199-110. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc
- [STC SA02254AK](https://openairdocs.org/stc/SA02254AK): Installation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen". Genesys Aerosystems Inc
- [STC SA02547AK](https://openairdocs.org/stc/SA02547AK): Limit the maximum number of passenger seats to 9. Lake Clark Air 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 SA5188NM](https://openairdocs.org/stc/SA5188NM): Installation of an AV557D Cockpit Voice Recorder. Honeywell International Inc
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA04634NY](https://openairdocs.org/stc/SA04634NY): Modification of the Brake Master Cylinder. Marsh Brothers Aviation Inc
- [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA04062NY](https://openairdocs.org/stc/SA04062NY): Installation of Garmin G600 Avionics System. airplus engineering GmbH
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [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 SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA02017NY](https://openairdocs.org/stc/SA02017NY): Installation of SMR Technologies pneumatic de-icer models. SMR Technologies Inc
- [STC SA159CH](https://openairdocs.org/stc/SA159CH): Convert left- or right-side cockpit window into a crew door and disconnect pressurization system. Resource Aircraft Conversions
- [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 SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [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 SA01114CH](https://openairdocs.org/stc/SA01114CH): Installation of P2 Incorporated 6600 Audio Advisory system. P2 Incorporated
- [STC SA01260WI](https://openairdocs.org/stc/SA01260WI): Installation of the Concorde RG-380E/K and RG2380E/L series VRSLA batteries in the Raytheon King Air Model airplanes listed on the attached FAA Approved Model List (AML) No. SA01260WI, dated June 9, 2004, in accordance with Concorde Battery Corporation, Master Drawing List, Drawing No. 5-0177, Rev. N/C, dated May 1, 2003, or later FAA approved revision. Concorde Battery Corporation
- [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 SA04161CH](https://openairdocs.org/stc/SA04161CH): Installation of Aluminum Aileron skins in place of Magnesium Aileron skins. SRS Aviation, LLC
- [STC SA00162WI](https://openairdocs.org/stc/SA00162WI): Installation of a Sundstrand Mark VI ground proximity warning system. Textron Aviation Inc
- [STC SA736CE](https://openairdocs.org/stc/SA736CE): Installation aerial camera supporting structure and related modifications. Textron Aviation Inc
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): 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

All 147: https://openairdocs.org/aircraft/N1924T/stcs.md

## Related

- Other Beech 99A aircraft: https://openairdocs.org/model/beech-99a/aircraft.md
- The U/A Canada PT6 SER 578HP engine: https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp.md

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