# N511QS: 2018 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: 680A0148 - Year built: 2018 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: September 8, 2018 - Certificate issued: July 8, 2024 - Expires: July 31, 2031 - Mode S code: A66695 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=511QS - Page: https://openairdocs.org/aircraft/N511QS 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 N511QS. ## FAA accident and incident reports None matched to N511QS. ## 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 JGVR20251120001](https://openairdocs.org/sdr/JGVR20251120001), Nov 20, 2025: FITTING. CORRODED. THE NOSE LANDING GEAR ACTUATOR FITTING WAS FOUND CORRODED BEYOND REPAIR. CUT FUSELAGE STRUCTURE FOR ACCESS, REMOVED THE CORRODED FITTING AND INSTALLED NEW FITTI - [SDR DXTA2024092000581](https://openairdocs.org/sdr/DXTA2024092000581), Sep 17, 2024: DOWNLOCK SWITCH. FAILED. LEFT MLG LANDING GEAR RETRACTION: UPON DEPARTURE AND GEAR RECTRACTION, WE RECIVED THE AMBER GEAR DISAGREE L WITH THE YELLOW BLOCK AND BLACK LETTERS ON THE LEFT - [SDR DXTA2024070212236](https://openairdocs.org/sdr/DXTA2024070212236), Jul 1, 2024: BATTERY PACK. NO TEST. EMERGENCY LIGHTS AT SEAT 5 (FLOOR), SEAT 8 (FLOOR), SEAT 7 READING, AND EXTERIOR OVERWING EXIT ARE INOP. CONTACTED MX AND ADVISED TO COMPLY WITH "EMERGENCY LIGH - [SDR DXTA2024050611675](https://openairdocs.org/sdr/DXTA2024050611675), May 3, 2024: CONNECTOR. DAMAGED. LAV EMERG LIGHT: LAV SEAT 9 AISLE EMERGENCY LIGHT INOP. DOES WORK WITH REGULAR INTERIOR LIGHTING BUT NOT WITH EMER LIGHTS. REMOVED DEFECTIVE CONTACT PIN AND INS - [SDR DXTA2024011510629](https://openairdocs.org/sdr/DXTA2024011510629), Jan 15, 2024: UNKNOWN. UNKNOWN. LAV FLOOR PATH LIGHT INOP ON PREFLIGHT. ALL EMER LIGHTS OPERATE NORMALLY FLOOR EMERG EXIT LIGHT: LAV FLOOR PATH LIGHT INOP ON PREFLIGHT. ALL EMER LIGHTS OPERATE - [SDR DXTA2023012078910](https://openairdocs.org/sdr/DXTA2023012078910), Jan 19, 2023: G SWITCH. TRIPPED. MAIN EXIT DOOR EXIT SIGN IS ON WITH ALL POWER SHUT OFF AND MAIN BATTERIES PULLED. ENTRY LIGHT ACROSS FROM MAIN CABIN DOOR ALSO ON. ARRIVED TO AIRCRAFT WITHIN 15 - [SDR DXTA2022122076710](https://openairdocs.org/sdr/DXTA2022122076710), Dec 20, 2022: LIGHT. INOPERATIVE. EMERGENCY LIGHTS BATTERY: EMERGENCY LIGHTS DO NOT ILLUMINATE IN THE ARM POSITION WITH MAIN BATTERIES OFF DURING PREFLIGHT CHECK. MAIN BATTERY VOLTAGE IS 25V ON - [SDR 2022FA0000157](https://openairdocs.org/sdr/2022FA0000157), Mar 20, 2022: ATTACH FITTING. CHAFED. RH MLG ACTUATOR SIDE BRACE FITTING IS GOUGED FROM ACTUATOR. - [SDR DXTA2022012455570](https://openairdocs.org/sdr/DXTA2022012455570), Jan 21, 2022: NOT REPORTED. NOT REPORTED. CABIN EMERG LIGHT: EMERGENCY EXIT LIGHTS (3) AT MAIN CABIN DOOR AND UNDER SEAT 10 LIGHT REMAIN ON WITH ALL POWER REMOVED FROM AIRCRAFT AND EMERGENCY LIGHT SWITC - [SDR DXTA2021111852060](https://openairdocs.org/sdr/DXTA2021111852060), Nov 17, 2021: BATTERY. DEFECTIVE. EMERG LIGHT SWITCH: EMERG LIGHTS EXTINGUISH WHEN SWITCH SET TO ARM AND BATTERIES ARE NOT YET TURNED ON. // SIGNOFF // REPLACED #1 EMERGENCY LIGHT BATTERY WITH A - [SDR DXTA2021111551870](https://openairdocs.org/sdr/DXTA2021111551870), Nov 14, 2021: NONE. NONE. EMERG LIGHT SWITCH: DURING PRE FLIGHT CHECK EMER LTS ARM SWITCH DID NOT ARM THE EMERGENCY LIGHTS. AFTER TOGGLING SWITCH EMERGENCY LIGHTS ARMED. // SIGNOFF// REM - [SDR 2021F00289](https://openairdocs.org/sdr/2021F00289), Sep 2, 2021: SKIN. CHAFED. REPAIR OF CHAFE IN LOWER FUSELAGE SKIN ABOVE ANTI-ICE CROSS-FLOW VALVE. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-22175 DATED: 07/19/2019 WITH FAA FORM 810 - [SDR DXTA022620213859](https://openairdocs.org/sdr/DXTA022620213859), Feb 23, 2021: PCB. DEFECTIVE. AFTER SELECTING FLAPS 1 AP STAB TRIM INOP CAS MESSAGE DISPLAYED. FOLLOWED BY RETRIM NOSE UP CAS MESSAGE. AUTO PILOT CONTINUED FUNCTIONING. COMPLETED CHECKLISTS - [SDR DXTA022420213859](https://openairdocs.org/sdr/DXTA022420213859), Feb 23, 2021: TRIM SYSTEM. MALFUNCTIONED. AFTER SELECTING FLAPS 1 AP STAB TRIM INOP CAS MESSAGE DISPLAYED. FOLLOWED BY RETRIM NOSE UP CAS MESSAGE. AUTO PILOT CONTINUED FUNCTIONING. COMPLETED CHECKLISTS - [SDR 2020F00421](https://openairdocs.org/sdr/2020F00421), Oct 4, 2020: DOUBLER. CRACKED. CRACK DAMAGE REPAIR OF NOSE LANDING GEAR WHEEL WELL (NWW), FRAME WEB, AND DOUBLERS, FS 75. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED 06/01/2020 ## 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 ## Earlier aircraft with N511QS The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N511QS before. - [Cancelled 2013-03-26](https://openairdocs.org/deregistered/N511QS-2013-03-26): Gulfstream Aerospace G-V, S/N 647, built 2001. Owner: [Nji Sales Inc](https://openairdocs.org/faa-owner/NJI%20SALES%20INC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City) ## 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.