# N509QS: 2016 Textron 680A - Status: Valid registration - Airframe: [Textron 680A](https://openairdocs.org/model/textron-680a) (registry code 2076814, 10 seats) - Engine: [Pratt & Whitney Canada PW306D](https://openairdocs.org/engine/pratt-whitney-canada-pw306d) (registry code 52041) - 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: 680A0028 - Year built: 2016 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: March 20, 2016 - Certificate issued: February 4, 2025 - Expires: February 29, 2032 - Mode S code: A65CCE - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=509QS - Page: https://openairdocs.org/aircraft/N509QS 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 PW306D) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N509QS. ## FAA accident and incident reports None matched to N509QS. ## Reports on N509QS not matched to an aircraft (1) They name N509QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 20020404008009I](https://openairdocs.org/incident/20020404008009I), Apr 4, 2002: Gulstm GV (N509QS), New York, NY, Minor damage. (-23) Pilot laterally displaced his aircraft to right of taxiway centerline to avoid parked aircraft and vehicles on projected taxi path. Parked aircraft were… ## Service difficulty reports (15) 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 DXTA2026101910204](https://openairdocs.org/sdr/DXTA2026101910204), Oct 16, 2026: LIGHT. INOPERATIVE. EMERGENCY LIGHT ABOVE SEAT 3 IS INOP WHEN THE SWITCH IS ON. WE ARE ABLE TO TURN LIGHT ON THOUGH AS A READING LIGHT. ALL OTHER EMERGENCY LIGHTS WORK INSPECTED AN - [SDR DXTA2026070608666](https://openairdocs.org/sdr/DXTA2026070608666), Jul 3, 2026: BELLCRANK. BROKEN. DOOR MOTOR CLUTCH REMAINS DISENGAGED & DOOR WILL FREE-FALL UNLATCHED. OPENED DOOR. DOOR OPENED NORMALLY UNTIL APPROX 2/3RDS OF WAY DOWN, HEARD A LOUD BANG AS IF - [SDR DXTA2026070208631](https://openairdocs.org/sdr/DXTA2026070208631), Jun 30, 2026: ELEC CONNECTOR. NO TEST. EMERGENCY READING LIGHT ABOVE SEAT 3 IS INOP. HAD AIRCRAFT RELOCATED TO HANGAR AS REQUIRED. POWERED AIRCRAFT AND PERFORMED EMERGENCY LIGHT OPERATIONAL CHECK IAW - [SDR DXTA2024012510719](https://openairdocs.org/sdr/DXTA2024012510719), Jan 24, 2024: DOWNLOCK SWITCH. DIRTY. GEAR DISAGREE R CAS AT FINAL APPROACH FIX. ALSO RIGHT MAIN INDICATION AMBER X. COMPLIED WITH EMERG CL. BLEW DOWN BOTTLE AND TRIED TO PULL MAIN GEAR EMERG HANDLE - [SDR DXTA2024011610635](https://openairdocs.org/sdr/DXTA2024011610635), Jan 15, 2024: UNKNOWN. UNKNOWN. MLG BRAKE PRESSURE: CONSISTENT EXCESSIVE AIRFRAME VIBRATION ON LANDING. NOT NOTICEABLE ON TAXI. //SIGNOFF// PREPARED THE AIRCRAFT FOR MX. SPUN ALL AC WHEELS TO - [SDR DXTA2023090594350](https://openairdocs.org/sdr/DXTA2023090594350), Sep 1, 2023: BATTERY. DEFECTIVE. CABIN EMERG LIGHT: THE CABIN EMERGENCY LIGHTS ACROSS THE MAIN CABIN DOOR DO NOT COME ON. THE OTHER CABIN EMERG LIGHTS COME ON FOR LESS THAN 30 SECONDS. REMOVED - [SDR DXTA2022101472080](https://openairdocs.org/sdr/DXTA2022101472080), Oct 13, 2022: PCB. BROKEN. THE MAIN CABIN DOOR GETS A FAULT INTERMITTENTLY AFTER A POWER CYCLE AND REQUIRES A OVERRIDE PER CHECKLIST. THE FAULT KEEP REPEATING. THE HANDLE AT THAT POINT IS - [SDR 2021FA0000230](https://openairdocs.org/sdr/2021FA0000230), Aug 10, 2021: FLANGE. CORRODED. L/H ENGINE AFT BYPASS TO T/R FLANGE SHOWS SIGNS OF CORROSION. ACCOMPLISHED CORROSION REMOVAL AND LH TR FLANGE BLEND AND PRIME ACCEPTABLE FOR CONTINUED SERVICE, - [SDR 2021FA0000229](https://openairdocs.org/sdr/2021FA0000229), Aug 10, 2021: FLANGE. CORRODED. R/H ENGINE AFT BYPASS TO T/R FLANGE SHOWS SIGNS OF CORROSION. ACCOMPLISHED CORROSION REMOVAL AND RH TR FLANGE BLEND AND PRIME ACCEPTABLE FOR CONTINUED SERVICE, - [SDR 2021FA0000228](https://openairdocs.org/sdr/2021FA0000228), Aug 10, 2021: GEARBOX. CORRODED. L/H ENGINE AGB AFT SIDE SHOWS SEVERAL AREAS OF CORROSION AND WAS REPAIRED IAW P&W MAINTENANCE MANUAL PART NO. 30B7302 72-60-01 B. - [SDR 2021FA0000227](https://openairdocs.org/sdr/2021FA0000227), Aug 10, 2021: GEARBOX. CORRODED. R/H ENGINE AGB AFT SIDE SHOWS SEVERAL AREAS OF CORROSION AND WAS REPAIRED IAW P&W MAINTENANCE MANUAL PART NO. 30B7302 72-60-01 B. - [SDR DXTA2021071645330](https://openairdocs.org/sdr/DXTA2021071645330), Jul 15, 2021: BATTERY PACK. DEFECTIVE. CABIN EMERG LIGHT: WITH MAIN BATTERIES OFF AND EMER LTS - ON, NO EMERGRNCY LIGHTS ILLUMINATE. WHEN SWITCH ITS MOVED TO ARM, EXIT SIGN ON AFT LAV DIVIDER (LEFT S - [SDR 2020F00486](https://openairdocs.org/sdr/2020F00486), Dec 9, 2020: SKIN. CHAFED. REPAIR LOWER SKIN CHAFED FROM ANTI-ICE CROSS-FLOW VALVE. ACCOMPLISHED TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-22175 DATED 07/19/2019, STANDARD REPAIR - 6 - [SDR 2020F00485](https://openairdocs.org/sdr/2020F00485), Dec 8, 2020: DOUBLER. CRACKED. REPAIR TO NOSE LANDING GEAR WHEEL WELL CRACKS. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED 06/01/2020, STANDARD REPAIR-CRACK DAMAGE, NOSE LANDING - [SDR DXTA2020071003849](https://openairdocs.org/sdr/DXTA2020071003849), Jul 9, 2020: WIRE HARNESS. DEFECTIVE. NOSE GEAR SHOWED UP, LEFT MAIN GEAR SHOWED UP, RIGHT MAIN GEAR SHOWED YELLOW HASH. GEAR DISAGREEMENT LIGHT ILLUMINATED. FOLLOWED CHECKLIST AND RETURNED TO KSLC. ## Service difficulty reports on N509QS not matched to an aircraft (13) They name N509QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2016090506296](https://openairdocs.org/sdr/DXTA2016090506296), Sep 5, 2016: OIL SYSTEM. OVERSERVICED. STRONG ACRID ELECTRICAL SMOKE SMELL IN COCKPIT, BAGGAGE COMPARTMENT AND CABIN AREA, SMELL STRONG WITH APU AIR ON. AIRCRAFT POWERED ON EXTERNAL AC CART WITH ALL - [SDR DXTA20160812KSAV1](https://openairdocs.org/sdr/DXTA20160812KSAV1), Aug 12, 2016: LUG. DAMAGED. AFTER REMOVING BUSHINGS FROM RT SPONSON RIB AFT MOUNT LUG, FOUND NICK ON TOP SIDE OF FITTING. OVERSIZED THE RT AFT SPONSON LUG TO THE FIFTH OVERSIZE WITH A FINA - [SDR 2012FA0000670](https://openairdocs.org/sdr/2012FA0000670), Oct 2, 2012: SKIN. DELAMINATED. RT GROUND SPOILER ASSY IS DELAMINATED BEYOUND LIMITS. SEE W/O SC2193.19.1 AND 18.6.3. - [SDR DXTA2012060404985](https://openairdocs.org/sdr/DXTA2012060404985), Jun 3, 2012: GROUND WIRE. ARCED. WHILE WORKING AUX FUEL PUMP PROBLEM, FOUND WHERE GROUND WIRE HALF ARC THROUGH FUSELAGE. FOUND AN EXCESSIVE AMOUNT OF CORROSION AND SIGNS OF ARCHING ON GROUND ST - [SDR DXTA2012060404983](https://openairdocs.org/sdr/DXTA2012060404983), May 31, 2012: SKIN. CRACKED. FOUND LT FLAP SKIN CRACKED DURING MAINTENANCE. VISUALLY INSPECTED AND CLEANED AREA OF LT FLAP AT WS 251.18 AT FWD FROM T/E. 10X MAGNIFICATION REVEALED A HAIRLIN - [SDR N93A20081103](https://openairdocs.org/sdr/N93A20081103), Oct 31, 2008: BEAM. CRACKED. CRACK LOCATED ON WING REAR BEAM BEHIND FLIGHT SPOILER ACTUATOR BRACKET. LT AND RT PER CUSTOMER BULLETIN THIS IS A RESULT OF IMPROPER RIGGING OF THE FLIGHT SPOIL - [SDR 2007FA0000860](https://openairdocs.org/sdr/2007FA0000860), Aug 15, 2007: CONNECTOR. CORRODED. EXCESSIVE CORROSION AT CONNECTOR PINS CAUSING NWS FAIL MSG. SUGGEST PERIODIC INSPECTION AND CLEANING OR IMPROVED CONNECTOR SEALING FROM MOISTURE. (K) - [SDR 637090205](https://openairdocs.org/sdr/637090205), Sep 2, 2005: ACTUATOR VALVE. DEFECTIVE. L-R AIL HYD OFF WARNING ACTIVATED IN FLIGHT, L - AIL CB POPPED ON GROUND. - [SDR 637041005](https://openairdocs.org/sdr/637041005), Apr 10, 2005: FUEL CONTROL. FAILED. ENG MAINT AMBER CAS MESSAGE. - [SDR 63710292004](https://openairdocs.org/sdr/63710292004), Oct 29, 2004: CONTROL UNIT. DEFECTIVE. UNCOMMANDED STAB, FLAP/STAB SYS FAIL CH B, FLAP STAB MX REQ CAS MESSAGES. - [SDR 637102404](https://openairdocs.org/sdr/637102404), Oct 23, 2004: RESOLVER. DEFECTIVE. AT FL410 AFTER 3.1 HRS OF FLIGHT, RECEIVED AN AMBER (UNCMDED STAB) MSG ALONG WITH (FLAP STAB SYS FAIL) AND (FLAP STAB MAINT REQ) MSG. HORIZONTAL STABILIZER SYST - [SDR 63710112004](https://openairdocs.org/sdr/63710112004), Oct 11, 2004: CONTROL SYSTEM. MALFUNCTIONED. ON TAKEOFF WHEN FLAPS WERE SELECTED UP THE STOPPED AT APPROX 7 DEGREES. FLAPS WERE CYCLED BUT THEY WOULD NOT MOVE (UP AND DOWN). ON TAXI IN, HOWEVER THE FLAPS W - [SDR 6370103](https://openairdocs.org/sdr/6370103), Mar 11, 2003: COMPRESSOR WHEEL. CRACKED. DISCOVERED DURING SCHEDULED MAINTENANCE. RT ENGINE FAN DISK FOUND CRACKED WHILE PERFORMING SCHEDULED NON DISTRUCTIVE TESTING IAW AD AND MFG SB. FAN DISK PN BRR2 ## 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 PW306D engine: https://openairdocs.org/engine/pratt-whitney-canada-pw306d.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.