# N984QS: 2025 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: 680A0454 - Year built: 2025 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: November 13, 2025 - Certificate issued: December 1, 2025 - Expires: December 31, 2032 - Mode S code: ADBB6F - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=984QS - Page: https://openairdocs.org/aircraft/N984QS 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 N984QS. ## FAA accident and incident reports None matched to N984QS. ## Reports on N984QS not matched to an aircraft (1) They name N984QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 20111019025379I](https://openairdocs.org/incident/20111019025379I), Oct 19, 2011: Cessna 750 (N984QS), San Jose, CA, No damage. N984 Cessna 750 reported flap malfunction and declared an emergency .the pilot landed at sjc safely with no incident. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## Service difficulty reports on N984QS not matched to an aircraft (26) They name N984QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2011083004713](https://openairdocs.org/sdr/DXTA2011083004713), Aug 29, 2011: ACTUATOR. MALFUNCTIONED. AFTER TAKEOFF, SELECTED GEAR UP, 3 GREEN LIGHTS EXTINGUISHED BUT THE RED UNLOCK LIGHT STAYED ILLUMINATED. IT SOUNDED AS IF THE NOSE GEAR DOOR WAS STILL OPEN DUE - [SDR DXTA2011042504559](https://openairdocs.org/sdr/DXTA2011042504559), Apr 23, 2011: WARNING LIGHT. ILLUMINATED. STATIC TAKEOFF, AFTER 4 SECONDS OF TAKEOFF ROLL, RECEIVED 2 AMBER REV ON FLIGHT MODE INDICATOR. CAS MESSAGES FADEC REV ADC L/R ALSO RECEIVED. NOTICED WHEN START - [SDR DXTA2011040904540](https://openairdocs.org/sdr/DXTA2011040904540), Apr 7, 2011: LANDING GEAR. FAILED. THE NOSE GEAR FAILED TO EXTEND WHEN THE GEAR HANDLE WAS PLACED DOWN. A UNUSUAL GRINDING NOISE WAS HEARD DURING GEAR EXTENTION. BLOW DOWN AND D-RING FAILED TO DR - [SDR DXTA2011011804413](https://openairdocs.org/sdr/DXTA2011011804413), Jan 16, 2011: ACTUATOR. MALFUNCTIONED. WHEN RETRACTING AND EXTENDING LANDING GEAR. THE NLG TAKES EXCESSIVELY LONG TO RETRACT AND EXTEND. R & R NLG RETACT/EXTEND ACTUATOR, LEAK & OPS CHECKED GOOD IAW - [SDR DXTA2010082304202](https://openairdocs.org/sdr/DXTA2010082304202), Aug 20, 2010: CONTROL MODULE. MALFUNCTIONED. STAB TRIM RESPONDS INTERMITTENTLY AND WITH LIMITED RESPONSE TO BOTH PILOT AND CO-PILOT PRIMARY TRIM SWITCH INPUTS. SWITCHED TO SECONDARY TRIM WITH SAME RESULTS. - [SDR DXTA2010031504033](https://openairdocs.org/sdr/DXTA2010031504033), Mar 12, 2010: CONTROL HANDLE. MALFUNCTIONED. LANDING GEAR HANDLE WOULD NOT ALLOW FOR GEAR RETRACTION AFTER TAKEOFF. REMOVED FAULTY LANDING GEAR CONTROL HANDLE. INSTALLED REPAIRED LANDING GEAR CONTROL HANDL - [SDR DXTA2009032603564](https://openairdocs.org/sdr/DXTA2009032603564), Mar 25, 2009: SQUAT SWITCH. MALFUNCTIONED. AFTER TAKEOFF, GEAR HANDLE WOULD NOT MOVE TO RETRACT POSITION. TROUBLE TO NOSE STRUT UNDERSERVICED AND NOSE SQUAT SWITCH ON EDGE OF SPEC. SERVICED STRUT IAW MM - [SDR DXTA200808013211](https://openairdocs.org/sdr/DXTA200808013211), Aug 1, 2008: ACM. SMOKE. ON THE GROUND WITH THE APU RUNNING APU BLEED SWITCH ON SMOKE WAS OBSERVED IN THE CABIN. APU AND ACFT WHERE SHUT DOWN IAW CHECKLIST. DID NOT TROUBLESHOOT AS SMOK - [SDR DXTA200808/01321](https://openairdocs.org/sdr/DXTA200808%2F01321), Aug 1, 2008: A/C PACK. SMOKE. ON THE GROUND WITH THE APU RUNNING APU BLEED SWITCH ON SMOKE WAS OBSERVED IN THE CABIN. APU AND AIRCRAFT WAS SHUT DOWN PER CHECKLIST. DID NOT TROUBLESHOOT AS SM - [SDR DXTA200803211](https://openairdocs.org/sdr/DXTA200803211), Aug 1, 2008: UNKNOWN. SMOKE. ON THE GROUND WITH THE APU RUNNING APU BLEED SWITCH ON SMOKE WAS OBSERVED IN THE CABIN. KDTS-KGNV. (S) - [SDR DXTA200803144](https://openairdocs.org/sdr/DXTA200803144), Jun 27, 2008: VALVE. MALFUNCTIONED. RT CTR TO WING VALVE UNABLE TO PUT FUEL FROM CTR TANK TO RT WING. WHEN LT TANK X-FEED WAS SELECTED FUEL MOTV FAIL MESSAGE ILLUMINATED IN CAS. PERFORMED TASK 28- - [SDR DXTA200702734](https://openairdocs.org/sdr/DXTA200702734), Jan 1, 2008: ACM. FROZEN. COULD NOT CONTROL CABIN TEMP -THEN RAN ABNORMAL PROCEDURES. AFFECTED PAC WAS TURNED OFF. ONCE PARKED AT FBO CABIN FILLED WITH SMOKE. KHPN-KFLL.REMOVED DEFECTIVE - [SDR DXTA200702099](https://openairdocs.org/sdr/DXTA200702099), Apr 11, 2007: WARNING LIGHT. ILLUMINATED. ON TAKEOFF ROLL HP DUCT OVERPRESS RT AMBER CAS MESSAGE CAME ON AND REMAINED ON. [SUP 4-19-07] REMOVED AND REPLACED OVER OVER PRESS SWITCH IAW 760 MM 30-10-00 OP - [SDR DXTA200702090](https://openairdocs.org/sdr/DXTA200702090), Apr 7, 2007: A/C PACK. ODOR. THE COCKPIT PAC TEMPERATURE IS UNCONTROLLABLE IN BOTH MANUAL AND AUTO MODES. IT GOES TO FULL HOT TEMPERATURE AND PRODUCES A FOUL OILY ODOR IN THE CABIN. DIVERTE - [SDR DXTA200601511](https://openairdocs.org/sdr/DXTA200601511), Jul 20, 2006: STRUT. UNDERSERVICED. UNLOCK LIGHT STAYED ON AFTER GEAR RETRACTION, CYCLED GEAR AND UNLOCK LIGHT WENT OUT AFTER 20 SECONDS. ON POST FLT, FOUND DAMAGE TO A/C AT ENTRY POINT FOR RIGHT - [SDR DXTA200601507](https://openairdocs.org/sdr/DXTA200601507), Jul 17, 2006: COMPUTER. FAILED. SHORTLY AFTER TAKEOFF, PRIMARY TRIM STOPPED WORKING. IT WORKED OK FOR THE FIRST 1.5 TO 2 MINUTES. SELECTED STBY TRIM AND IT ALSO DID NOT WORK. STBY TRIM WORKED - [SDR DXTA200601315](https://openairdocs.org/sdr/DXTA200601315), Mar 24, 2006: CONNECTOR. MALFUNCTIONED. CONSTANT CHIME AND BRIEF MASTER WARNING RECEIVED DURING TAKEOFF ROLL. FOUND LT FLAP RESOLVER CONNECTOR JL041 WITH MOISTURE. CLEANED AND DRIED PLUG JL041 PERFORM - [SDR DXTA200601241](https://openairdocs.org/sdr/DXTA200601241), Feb 12, 2006: FLAP SYSTEM. MALFUNCTIONED. FLAPS FAILED IN UP POSITION DEPARTING KBUF, WOULD NOT RESET, DIVERTED TO CMH. VISUALLY INSPECTED FLAPS AND FLAPWELL COMPONENTS. LUBRICATED ACTUATOR BALLSCREWS P - [SDR DXTA200501068](https://openairdocs.org/sdr/DXTA200501068), Nov 7, 2005: WARNING LIGHT. ILLUMINATED. GEAR UNLOCK LIGHT ILLUMINATED AFTER T/O AND GEAR SELECTED UP. GEAR WAS RECYCLED WITH SAME RESULT. IT SOUNDED LIKE THE DOORS WERE OPEN. ITEM IS UNDER INVESTIGATI - [SDR DXTA200500889](https://openairdocs.org/sdr/DXTA200500889), Aug 6, 2005: LANDING GEAR. UNSECURE. GEAR BUMP WAS EXPERIENCED NUMEROUS TIMES DURING CLIMB TO CRUISE ALTITUDE AND OCCASIONALLY ON DESCENT; NOT AT ALL DURING CRUISE FLIGHT. ACCOMPLISHED "GEAR BUMP" - [SDR DXTA200500820](https://openairdocs.org/sdr/DXTA200500820), Jul 7, 2005: CONTROL CABLE. OUT OF ADJUST. INFLIGHT, CLIMBING THROUGH 35,000 FT, 3 LOUD AUDIBLE THUMPS HEARD AND FELT EMITTNG FROM LT FORWARD NOSE COMPARTMENT. FOUND RT MAIN FREE FALL CABLE W/TENSION CAU - [SDR DXTA200500782](https://openairdocs.org/sdr/DXTA200500782), Jun 16, 2005: MANIFOLD. FAILED. ON DESCENT TWO LOUD BANGS CAME FROM THE SAME AREA IN THE NOSE GEAR. - REMOVED LANDING GEAR CONTROL MANIFOLD DUE TO INTERNAL FAILURE. INSTALLED SERVICEABLE MANIF - [SDR DXTA200500764](https://openairdocs.org/sdr/DXTA200500764), Jun 10, 2005: LANDING GEAR. NOISY. ON CLIMB A LOUD BANG CAME FROM NOSE GEAR AREA. ON DESCENT TWO LOUD BANGS CAME FROM SAME AREA. THE LAST ONE WAS VERY LOUD. ITEM IS UNDER INVESTIGATION. - [SDR DXTA200500675](https://openairdocs.org/sdr/DXTA200500675), Apr 11, 2005: LOGIC CARD. FAILED. NOSE GEAR BUMPS DURING CLIMB-OUT AT MID TO UPPER 20,000 FT 300KTS INDICATED (CREW STATES NO CHANGE IN GEAR UP INDICATION). REMOVED AND REPLACED LOGIC CARD NC002 - [SDR DXTA200400444](https://openairdocs.org/sdr/DXTA200400444), Nov 12, 2004: WHEEL. NOISY. DURING FLIGHT, LOUD BANGING NOISE FROM NOSE WHEEL. NOSE WHEEL DROPS A LITTLE AND THEN IS SLAMMED BACK UP MAKING LOUD CLUNK. HAPPENED APPROX 8 TIMES IN A 4 HR FL - [SDR DXTA200400225](https://openairdocs.org/sdr/DXTA200400225), Jan 19, 2004: ACM. ODOR. COCKPIT TEMP SELECTOR CANNOT CONTROL TEMP IN EITHER MANUAL OR AUTO MODE, COCKPIT TEMP (SUPPLY) REMAINS AT APPROX 140 DEGREES DURING FLIGHT. TEN MINUTES AFTER LA ## 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.