# N651QS: 2021 Textron 680A

- Status: Valid registration
- Airframe: [Textron 680A](https://openairdocs.org/model/textron-680a) (registry code 2076814, 10 seats)
- Engine: [Pratt & Whitney Canada PW306D1](https://openairdocs.org/engine/pratt-whitney-canada-pw306d1) (registry code 51850)
- Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI) (Textron Aviation Inc.), [TCDS E35NE](https://openairdocs.org/tcds/E35NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 680A0273
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 21, 2021
- Certificate issued: September 25, 2026
- Expires: September 30, 2033
- Mode S code: A891E0
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=651QS
- Page: https://openairdocs.org/aircraft/N651QS

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): 3 in force

### Matched by airframe (Textron 680A)

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [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 2018-07-13](https://openairdocs.org/ad/2018-07-13): Landing Gear · Textron 510, 680 and 680A. Effective May 15, 2018

### Matched by engine (Pratt & Whitney Canada PW306D1)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N651QS.

## FAA accident and incident reports

None matched to N651QS.

## 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 DXTA2025120806016](https://openairdocs.org/sdr/DXTA2025120806016), Dec 6, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS TEST FAILS IN THE MORNING FOR FIRST FLIGHT. QRH PROCEDURE COMPLETED AND TAKES A CHARGE. AFTER AN OVERNIGHT FAILS TEST AGAIN. ACCESSED & REMOVED
- [SDR DXTA2025062704046](https://openairdocs.org/sdr/DXTA2025062704046), Jun 25, 2025: G SWITCH. FAILED. UPON COMPLETION OF LAST FLIGHT OF DAY & POST FLIGHT SHUTDOWN AND INSPECTION, DISCOVERED EMERGENCY LIGHTS IN AFT OF PLANE ON & COULD NOT EXTINGUISH (EXIT SIGN AB
- [SDR DXTA2025062003931](https://openairdocs.org/sdr/DXTA2025062003931), Jun 17, 2025: CONTROL HANDLE. FAULTED. UPON GEAR EXTENSION, RECEIVED AMBER GEAR DISAGREE L-R-C, HANDLE FELT DEAD, NO RESISTANCE OR FEEDBACK. RECYCLED HANDLE TWICE AND GEAR CAME DOWN NORMAL WITH THREE
- [SDR DXTA2025060203701](https://openairdocs.org/sdr/DXTA2025060203701), May 30, 2025: BATTERY PACK. DISCHARGED. ON POWER-UP PRIOR TO FIRST FLIGHT OF DAY, MAIN EXIT SIGN LIGHT (FORWARD) DID NOT ILLUMINATE. PER MX TRIED TWO 30 MIN CHARGING CYCLES. LIGHT DID NOT ILLUMINATE. 
- [SDR DXTA2025052903659](https://openairdocs.org/sdr/DXTA2025052903659), May 27, 2025: CONTROL HANDLE. FAULTED. ABOUT 5 KN BEFORE ROTATION SPEED BOTH CREW FELT A ODD NUDGE THAT FELT SIMILAR TO CROSS WIND GUST FROM THE LEFT. HOWEVER, WINDS WERE FAIRLY CALM, BUT IT WAS ENOU
- [SDR DXTA2025052703615](https://openairdocs.org/sdr/DXTA2025052703615), May 23, 2025: CONTROL HANDLE. MALFUNCTIONED. GEAR POSITION & WARNING: SELECTING LANDING GEAR DOWN, WE RECEIVED A GEAR DISAGREE L R N AND THE ICAS ON THE MFD SHOWED 3 AMBER UP INSTEAD OF 3 GREEN. WE RAN THE
- [SDR DXTA2025040102858](https://openairdocs.org/sdr/DXTA2025040102858), Mar 29, 2025: LANDING GEAR. FAULTED. WHEN PUTTING GEAR DOWM RECEIVED GEAR DISAGREE R. RAN QRH AND AFTER BLOWING GEAR STILL DID NOT FIX MESSAGE. LANDED UNEVENTFULLY CORRECTIVE ACTION: REMOVED SUSPEC
- [SDR DXTA2025011301898](https://openairdocs.org/sdr/DXTA2025011301898), Jan 8, 2025: BRAKE ASSY. DEFECTIVE. RIGHT MLG BRAKE: UPON LANDING AND SHUTTING DOWN AT THE FBO NOTICED SMOKE ROLLING OUT OF THE RIGHT MAIN LANDING GEAR. UPON CLOSER INSPECTION NOTICED A DARK STAIN
- [SDR DXTA2024092000588](https://openairdocs.org/sdr/DXTA2024092000588), Sep 18, 2024: LATCH. OUT OF ADJUST. MAIN DOOR: MAIN CABIN DOOR WILL NOT LATCH CLOSED, THE HANDLE MOVES BUT THE PINS DO NOT GO INTO THE SLOTS. CORRECTIVE ACTION: ADJUST FWD AND AFT CABIN DOOR STICK
- [SDR DXTA2024091600542](https://openairdocs.org/sdr/DXTA2024091600542), Sep 14, 2024: CONNECTOR. LOOSE. MAIN EXIT SIGN/LIGHT: MAIN CABIN DOOR FORWARD FLOOR EXIT SIGN LIGHT INOP. DOES NOT WORK ON EMER SWITCH NOR ON PAX SAFETY SWITCH. ALL OTHER EMER LIGHTS ARE AT TH
- [SDR DXTA2024032711321](https://openairdocs.org/sdr/DXTA2024032711321), Mar 26, 2024: WIRE HARNESS. DEFECTIVE. CABIN DOOR OPEN AND CHECK DOORS CAS MESSAGE DISPLAYED BEFORE AND AFTER CLOSING MAIN CABIN DOOR. AMBER DOOR OPEN LIGHT ON DOOR REMAINS LIT AND HANDLE IS NOT LATC
- [SDR DXTA2024030511068](https://openairdocs.org/sdr/DXTA2024030511068), Mar 2, 2024: HANDLE. FAULTED. MAIN DOOR HANDLE: UPON CLOSING MAIN CABIN DOOR IT TAKES ALMOST FULL BODY WEIGHT OF PRESSURE TO GET THE DOOR TO LATCH AND SECURE. //SIGNOFF// INSPECTED, CLEANED 
- [SDR DXTA2022110473290](https://openairdocs.org/sdr/DXTA2022110473290), Nov 3, 2022: HINGE. DAMAGED. MAIN DOOR: REAR HINGE ON TOP TREAD OF MAIN CABIN ENTRY DOOR IS BROKEN, TREAD STICKS UP APPROX 3/4 OF AN INCH. TRIPPING HAZARD. ACCESSED AIRCRAFT AND NOTED THE T
- [SDR DXTA2022103173020](https://openairdocs.org/sdr/DXTA2022103173020), Oct 30, 2022: CONTACT. CORRODED. EMERG EXIT SIGN/LIGHT: LOWER FORWARD RED INTERIOR CABIN DOOR EMERGENCY EXIT SIGN LIGHT INOP // SIGNOFF// REMOVED MAIN ENTRY DOOR FWD EMER EXIT SIGN WITH CORRODE
- [SDR DXTA2022020456200](https://openairdocs.org/sdr/DXTA2022020456200), Feb 3, 2022: NOT REPORTED. NOT REPORTED. MAIN EXIT SIGN/LIGHT: WITH THE EMERGENCY LIGHT SWITCH IN THE OFF POSITION THE EMERGENCY EXIT LIGHT ABOVE THE CABIN ENTRY DOOR IS STILL ILLUMINATED AS WELL AS TH
- [SDR DXTA2021111852100](https://openairdocs.org/sdr/DXTA2021111852100), Nov 17, 2021: PCB. DEFECTIVE. MAIN DOOR HANDLE: WHILE CLOSING MAIN DOOR FROM INSIDE, DOOR HANDLE JAMS ABOUT HALFWAY DOWN. NEEDS EXTRA PRESSURE TO CLOSE. // SIGNOFF// INSPECTION VERIFIED DISC
- [SDR DXTA2021102951060](https://openairdocs.org/sdr/DXTA2021102951060), Oct 28, 2021: NONE. NONE. MAIN DOOR: REPEAT RIGHT UP. MAIN CABIN DOOR DOES NOT CLOSE PROPERLY. HANDLE MUST BE SLAMMED DOWN HARD TO CLOSE AND LATCH DOOR. NOT A SMOOTH OPERATION.
- [SDR DXTA2021102650910](https://openairdocs.org/sdr/DXTA2021102650910), Oct 25, 2021: NONE. NONE. MAIN DOOR HANDLE: CABIN DOOR HANDLE GETS STUCK HALFWAY WHEN MOVED DOWN TO LOCK THE DOOR. // SIGNOFF// CLEANED AND LUBRICATED MAIN CABIN DOOR PINS. PERFORMED OPE

## Service difficulty reports on N651QS not matched to an aircraft (29)

They name N651QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR JGVR201812200006](https://openairdocs.org/sdr/JGVR201812200006), Dec 20, 2018: RIB. CRACKED. CRACKED RIB IN LH FLAP WELL NEAR OB FLAP, OB BELL CRANK. RIB P/N 6565042-32-1
- [SDR JGVR20181220005](https://openairdocs.org/sdr/JGVR20181220005), Dec 20, 2018: RIB. CRACKED. CRACKED RIB IN THE RH FLAP WELL NEAR THE OB FLAP, OB BELL CRANK. FOUND DURING THE B INSPECTION, AFT WING SPAR GVI, TASK 57-10-00-210.
- [SDR JGVR20181220004](https://openairdocs.org/sdr/JGVR20181220004), Dec 20, 2018: SKIN. CORRODED. APPROXIMATELY 13 AREAS OF SUSPECTED LEVEL 1 CORROSION ON RH ELEVATOR UPPER AND LOWER SKINS. FOUND DURING TASK B273005-RH ON THE B INSPECTION. REPAIRED CORRODED 
- [SDR JGVR20180201001](https://openairdocs.org/sdr/JGVR20180201001), Feb 1, 2018: CLOSEOUT PANEL. CORRODED. APU CLOSEOUT PANEL IS SEVERELY CORRODED ON THE INSIDE, AROUND THE OIL SERVICE DOOR LATCHES, AND AROUND THE CAMLOCKS. REMOVED CORRODED APU ACCESS DOOR ASSY. AND 
- [SDR JGVR20180131003](https://openairdocs.org/sdr/JGVR20180131003), Jan 31, 2018: SKIN. CORRODED. BLENDED TWO AREAS OF CORROSION ON THE EXTERIOR FUSELAGE SKIN FWD OF THE CABIN DOOR AT BS 187, PERFORMED EDDY CURRENT CRACK AND ULTRASONIC THICKNESS INSPECTIONS,
- [SDR JGVR20180131002](https://openairdocs.org/sdr/JGVR20180131002), Jan 31, 2018: SKIN. CORRODED. BLENDED 10 AREAS OF CORROSION ON THE LT UPPER WING SKIN, PERFORMED EDDY CURRENT CRACK AND ULTRASONIC THICKNESS INSPECTION, PREPPED AND TREATED AREAS IAW SRM 51-
- [SDR JGVR20180131001](https://openairdocs.org/sdr/JGVR20180131001), Jan 31, 2018: SKIN. CORRODED. CORROSION ON THE RT UPPER WING SKIN, BLENDED AND PERFORMED AN EDDY CURRENT AND ULTRASONIC THICKNESS INSPECTIONS, PREPPED AND TREATED AREAS IAW SRM 51-10-03, 51-
- [SDR CWQR20160720024](https://openairdocs.org/sdr/CWQR20160720024), Jul 20, 2016: CABLE. UNSERVICEABLE. THIS CABLE ASSEMBLY IS REPLACED AT THE AIRCRAFT OPERATOR REQUEST BECAUSE OF RELIABILITY ISSUES. INSPECTED CABLE AFTER REMOVAL, PREFORMED LOOP TEST AND FOUND TO 
- [SDR CWQR20160720023](https://openairdocs.org/sdr/CWQR20160720023), Jul 20, 2016: CABLE. BROKEN. THIS CABLE ASSEMBLY IS REPLACED AT THE AIRCRAFT OPERATOR REQUEST BECAUSE OF RELIABILITY ISSUES. INSPECTED CABLE AFTER REMOVAL, PREFORMED LOOP TEST AND FOUND TO 
- [SDR CWQR20060622019](https://openairdocs.org/sdr/CWQR20060622019), Jun 22, 2016: HINGE BRACKET. CRACKED. DURING A SCHEDULED INSPECTION, WE FOUND THE LT OTBD ELEVATOR HINGE BRACKET CRACKED. THE BRACKET IS A CASTING AND IS CRACKED IN THE RADIUS WHERE IT ATTACHES TO T
- [SDR DXTA2014121905950](https://openairdocs.org/sdr/DXTA2014121905950), Dec 18, 2014: TRIM SYSTEM. FROZEN. TRIED ELECTRICAL & MANUAL TRIM, FOUND TO BE FROZEN. THE ELEVATOR WAS SHAKING. BOTH HAD TO PUSH FULL FWD ON THE YOKE TO ARREST THE CLIMB. IT FELT AS IF THE ELEVA
- [SDR DXTA2014062605808](https://openairdocs.org/sdr/DXTA2014062605808), Jun 25, 2014: CYLINDER. LEAKING. RIGHT BRAKE MAKES A LOUD SQUEAL DURING APPLICATION. EVEN APPLICATION OF BRAKE PEDALS RESULTS IN UNEVEN BRAKING. TAXIED AIRCRAFT AND DID NOT HEAR ANY SQUEAL FROM
- [SDR DXTA2013103005552](https://openairdocs.org/sdr/DXTA2013103005552), Oct 29, 2013: DISPLAY. FAILED. ON ARRIVAL, CREW NOTICED AN ELECTRICAL BURNING ODOR, FOLLOWED QUICKLY BY THE MFD GOING BLANK. PULLED THE MFD CIRCUIT BREAKER AND FLT CONTINUED UNEVENTFULLY. ALL
- [SDR DXTA2013101105536](https://openairdocs.org/sdr/DXTA2013101105536), Oct 10, 2013: CIRCUIT BREAKER. TRIPPED. AFTER TAKEOFF, LANDING GEAR FAILED TO RETRACT. THREE GREEN LANDING GEAR LIGHTS ALONG WITH THE RED UNLOCK LIGHT. PUT THE GEAR HANDLE BACK DOWN AND HAD THREE GREE
- [SDR DXTA2013010405230](https://openairdocs.org/sdr/DXTA2013010405230), Dec 3, 2012: UNKNOWN. SMOKE. WITH THE APU ON, BLEED AIR OFF, DURING NR 2 ENGINE START, WHICH WAS FIRST TO BE STARTED, SMOKE STARTED TO COME INTO COCKPIT, PARTICULARLY THRU THE RT SIDE EYEBA
- [SDR DXTA2012120405200](https://openairdocs.org/sdr/DXTA2012120405200), Dec 3, 2012: WATER SEPARATOR. ODOR. WITH THE APU ON, BLEED AIR OFF, DURING THE NUMBER 2 ENGINE START (WHICH WAS FIRST TO BE STARTED) SMOKE STARTED TO COME INTO COCKPIT.PARTICULARLY THRU THE RT SID
- [SDR DXTA2012013004857](https://openairdocs.org/sdr/DXTA2012013004857), Jan 29, 2012: CONTROL HANDLE. INTERMITTENT. DURING GEAR RETRACTION AFTER TAKEOFF, THE RED GEAR UNLOCK LIGHT REMAINED ON. SOUNDED LIKE THE GEAR RETRACTED NORMALLY. NO ABNORMAL NOISES OR VIBRATIONS WERE NOT
- [SDR DXTA200810143306`](https://openairdocs.org/sdr/DXTA200810143306%60), Oct 14, 2008: COMPUTER. INOPERATIVE. LOST PFD ON CAPTAINS SIDE AND MFD ON TAKEOFF (70KT) ROLL. BOTH HAD RED X DISPLAYED ON THEM. STAYED ON WITH RED X UNTIL BACK IN THE CHOCKS AND FOR A FEW MINUTES 
- [SDR DXTA2008101503306](https://openairdocs.org/sdr/DXTA2008101503306), Oct 14, 2008: DISPLAY. FAILED. LOST PFD ON CAPTAINS SIDE AND MFD ON TAKEOFF (70KT) ROLL.
- [SDR DXTA200802867](https://openairdocs.org/sdr/DXTA200802867), Feb 10, 2008: PRESSURE SWITCH. MALFUNCTIONED. CAB ALT 10, 000 CAME ON AT 10,500 FEET WITH MASTER WARNING. REMOVED CABIN ALTITUDE PRESSURE SWITCH. REPLACED WITH NEW SWITCH. OPERATIONAL CHECK GOOD. WORK IAW M
- [SDR DXTA200702540](https://openairdocs.org/sdr/DXTA200702540), Oct 14, 2007: LANDING GEAR. MALFUNCTIONED. LT LANDING GEAR INDICATOR LIGHT REMAINED ON WHEN GEAR RETRACTED. CYCLED GEAR WITH THE SAME RESULT AND UNABLE TO VERIFY GEAR UP OR DOWN. PERFORMED EMERGENCY GEAR
- [SDR DXTA200702066](https://openairdocs.org/sdr/DXTA200702066), Apr 1, 2007: HOOK. STICKING. GEAR UNLOCK LIGHT REMAINED ILLUMIATED AND HYDRALIC PRESSURE LIGHT REMAINED ON, RAN CHECKLIST AND LIGHTS EXTINGUISH WHEN HYDRAULIC CONTROL CIRCIUT BRAKER RESET I
- [SDR DXTA200701943](https://openairdocs.org/sdr/DXTA200701943), Feb 11, 2007: CONTROL MODULE. INOPERATIVE. RT WINDSCREEN FAULT ANNUNCIATOR ILLUMINATED, WHILE COMPLETING CHECKLIST, THE RIGHT WINDSHIELD SHATTERED. REMOVED CRACKED RT WINDSHIELD INSTALLED NEW WINDSHIELD.
- [SDR 2006FA0001002](https://openairdocs.org/sdr/2006FA0001002), Sep 6, 2006: DOWNLOCK SWITCH. FAILED. AFTER TAKEOFF AND GEAR RETRACTION ALL GEAR LIGHTS WENT OUT. APPROX 5-10 INTO FLIGHT, NOTICED RT GREEN GEAR LIGHT WAS ON. NO OTHER ABNORMAL LIGHTS NOTED. 40 MINU
- [SDR DXTA200601593](https://openairdocs.org/sdr/DXTA200601593), Sep 6, 2006: ACTUATOR. FAILED. AFTER TAKEOFF AND GEAR RETRACTION, ALL THREE GEAR LIGHTS EXTINGUISHED. APPROX 5-10 MINUTES INTO FLIGHT, NOTICED THAT THE "RT" GREEN GEAR LIGHT WAS ILLUMINATED. 
- [SDR CWQR2006008](https://openairdocs.org/sdr/CWQR2006008), Mar 8, 2006: RETAINER. LOOSE. FOUND THE STATIC SYSTEM DRAIN VALVE POPPET RETAINING RING COMING LOOSE FROM VALVE BASE.
- [SDR DXTA200500761](https://openairdocs.org/sdr/DXTA200500761), Jun 10, 2005: LINE. LEAKING. BRAKE SYSTEM FAILURE ON GROUND. AIRCRAFT PUMPED BRAKE LINE FLUID OUT OF NOSE COMPARTMENT ON TO GROUND AROUND NOSE WHEEL. ASSOCIATED AMBER ANNUNCIATORS + M/C (LO
- [SDR DXTA200500739](https://openairdocs.org/sdr/DXTA200500739), May 22, 2005: APU. OVERSERVICED. AFTER TAKEOFF, HAD A SMOKE SELL FROM AN UNIDENTIFIABLE SOURCE. NO SMOKE WAS VISIBLE. NO UNUSUAL INDICATIONS, NO C/B OPENED, SMELL DISSIPATED WITH APU SHUT DOWN)
- [SDR DXTA200300101](https://openairdocs.org/sdr/DXTA200300101), Aug 23, 2003: CONTROL HANDLE. DEFECTIVE. AFTER TAKEOFF THE GEAR WOULD NOT RETRACT, NO UNLOCK LIGHT OR ANY FLICKERING OF THE 3 GREEN LIGHTS, ACCOMPLISHED AIR TURN BACK TO SJC. - FOUND LANDING GEAR CONTR

## STCs that may be installed (OpenAirDocs) (16)

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 (Textron 680A)

- [STC ST04765NY](https://openairdocs.org/stc/ST04765NY): Unprepared (Grass/Sod) Runway Operations. Textron Aviation Inc
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST12344IB](https://openairdocs.org/stc/ST12344IB): Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH
- [STC ST122244IB](https://openairdocs.org/stc/ST122244IB): Installation of Gogo Galileo system, including HDX Antenna. Alamo Engineering GmbH
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST11983SE](https://openairdocs.org/stc/ST11983SE): Installation of Starlink Aviation System. AeroMech Incorporated
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST01117DE](https://openairdocs.org/stc/ST01117DE): Installation of the Gogo ATG C1. Peregrine
- [STC ST02037WI](https://openairdocs.org/stc/ST02037WI): Installation of Gogo Business Aviation AVANCE L5 System with MB 13 Antennas. Duncan Aviation Inc
- [STC ST04736NY](https://openairdocs.org/stc/ST04736NY): True Blue TS28 Emergency Battery Power Supply Replacement. Aerospace Design and Compliance LLC
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST04575AT](https://openairdocs.org/stc/ST04575AT): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering. Chippewa Aerospace Inc
- [STC ST04367CH](https://openairdocs.org/stc/ST04367CH): Installation of a Medical Interior in accordance with LifePort Master Data List EGR-887-000-001, Revision (B), dated April 18, 2019 or later FAA approved revision and LifePort Master Drawing List MDL-887-00, Revision (D), dated April 11, 2019 or later FAA approved revision.". LifePort LLC
- [STC ST01027DE](https://openairdocs.org/stc/ST01027DE): Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries. MarathonNorco Aerospace Inc
- [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc
- [STC ST11168SC](https://openairdocs.org/stc/ST11168SC): Installation of a Pratt & Whitney Flight Data Acquisition, Storage, and Transmission System (FAST). Pratt & Whitney Engine Services Inc

## Related

- Other Textron 680A aircraft: https://openairdocs.org/model/textron-680a/aircraft.md
- The Pratt & Whitney Canada PW306D1 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw306d1.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.