# N505QS: 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: 680A0042 - Year built: 2016 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: August 16, 2016 - Certificate issued: October 5, 2026 - Expires: October 31, 2033 - Mode S code: A64DF2 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=505QS - Page: https://openairdocs.org/aircraft/N505QS 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 N505QS. ## FAA accident and incident reports None matched to N505QS. ## Service difficulty reports (20) 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 DXTA2026012106608](https://openairdocs.org/sdr/DXTA2026012106608), Jan 20, 2026: BATTERY PACK. FAULTED. EMER LIGHTS DO NOT COME ON IN THE ARM POSITION ON PREFLIGHT. REMOVED NR 1 EMERGENCY LIGHT POWER SUPPLY AND INSTALLED A NEW #1 OUTRIGHT EMERGENCY LIGHT POWER SUP - [SDR DXTA2025121106072](https://openairdocs.org/sdr/DXTA2025121106072), Dec 10, 2025: BATTERY PACK. FAILED. INTERIOR REAR EMERGENCY LIGHT ON LAV BULKHEAD & EXIT LIGHT BELOW LAV SEAT INOP WHEN USING BATTERY PACK. BOTH FUNCTION ON SHIPS MAIN BATTERY POWER. POSITIONED TH - [SDR DXTA2025120405949](https://openairdocs.org/sdr/DXTA2025120405949), Dec 2, 2025: LIGHT. INOPERATIVE. EMERGENCY FLOOR LIGHT BELOW LAV SEAT INOPERATIVE. REMOVED AND REPLACED LAV SEAT TOEKICK LIGHT ASSEMBLY IAW SPM 20-30-0A PERFORMED OPS CHECK OF THE EMERGENCY LIG - [SDR DXTA2024041711529](https://openairdocs.org/sdr/DXTA2024041711529), Apr 17, 2024: BATTERY. NO TEST. ON PREFLIGHT EMER LIGHTS WERE ARMED AND FAILED TO ILLUMINATE. PER MCC PROCEDURE, THE APU WAS STARTED AND GIVEN 30MIN TO CHARGE. THEN, THE AIRCRAFT POWERED DOWN - [SDR DXTA2024011110581](https://openairdocs.org/sdr/DXTA2024011110581), Jan 11, 2024: BATTERY. FAULTED. LAV OVERHEAD LIGHT. LAV EMER LIGHT UNDER TOILET. LAV FLOOR LIGHT. AND REAR BULKHEAD EXIT SIGN ARE ALL INOP IN ARM MODE. IN ON MODE ALL EMER LIGHTS ARE INOP. TRI - [SDR DXTA2023120710252](https://openairdocs.org/sdr/DXTA2023120710252), Dec 6, 2023: UNKNOWN. UNKNOWN. UPON 1ST FLIGHT CHECKS, FOUND MULTIPLE CABIN (+ 1 EXTERIOR) EMERGENCY LIGHTS INOP: EXIT SIGNS: BULKHEAD ABOVE SEAT 7, ABOVE LAV SEAT & BELOW LAV SEAT; PATH LIGH - [SDR DXTA2023021580530](https://openairdocs.org/sdr/DXTA2023021580530), Feb 14, 2023: WIRE HARNESS. DEFECTIVE. NLG LANDING GEAR RETRACTION: ON APPROACH, AFTER GEAR HAD BEEN EXTENDED FOR A WHILE AND FLAPS HAD BEEN SELECTED TO FULL, WE GOT THE AMBER WOW MISCOMPARE CAS. WE - [SDR DXTA2022120575440](https://openairdocs.org/sdr/DXTA2022120575440), Dec 3, 2022: DOOR. UNKNOWN. MAIN DOOR: CABIN DOOR INTERMITTENTLY CLOSES HALF WAY THEN STOPS AND FALLS OPEN WITH EXTERIOR AMBER CHECK DOOR HANDLE LIGHT ILLUMINATED. TURNING DOOR SWITCH OFF, - [SDR 2022FA0000418](https://openairdocs.org/sdr/2022FA0000418), Jul 30, 2022: SKIN. GOUGED. R/H INBOARD FLAP HAS A GOUGE ON THE UPPER SURFACE APPROXIMATELY 14" FROM OUTBOARD EDGE AND 1" FROM TRAILING EDGE, MEASURING .5" IN LENGTH AND .03 IN WIDTH, FROM - [SDR 2022FA0000417](https://openairdocs.org/sdr/2022FA0000417), Jul 30, 2022: SKIN. GOUGED. NDI REQUIRED ON FUSELAGE SKIN SCRATCH BEHIND RH FORWARD OVER WING FUSELAGE FAIRING SPLICE STRAP AT FS 354. COMPLIED WITH TEXTRON AVIATION ENGINEERING ORDER, DQ3 - [SDR 2022FA0000416](https://openairdocs.org/sdr/2022FA0000416), Jul 30, 2022: SKIN. CORRODED. FOUND CORROSION AT LH HORIZONTAL UPPER SKIN AT TIP CAP. COMPLIED WITH TEXTRON AVIATION ENGINEERING ORDER, DQ35708M1, 680A-0042 (N505QS) HORIZONTAL STABILIZER (L - [SDR 2022FA0000398](https://openairdocs.org/sdr/2022FA0000398), Jul 26, 2022: SKIN. GOUGED. R/H INBOARD FLAP HAS A GOUGE ON THE UPPER SURFACE APPROXIMATELY 14" FROM OUTBOARD EDGE AND 1" FROM TRAILING EDGE, MEASURING .5" IN LENGTH AND .03 IN WIDTH, FROM - [SDR DXTA2022052362510](https://openairdocs.org/sdr/DXTA2022052362510), May 22, 2022: DOOR. BINDING. MAIN DOOR: UPON ARRIVAL AND WHILE DEPARTING THE AIRCRAFT, THE MAIN CABIN DOOR WOULD NOT SELF-RELEASE WHEN DOOR HANDLE WAS SELECTED TO THE OPEN POSITION. REPEAT - [SDR DXTA2022052362440](https://openairdocs.org/sdr/DXTA2022052362440), May 22, 2022: DOOR. INTERMITTENT. MAIN DOOR: NOTICED THAT WHEN OPENING THE MAIN CABIN DOOR, THE DOOR DOES NOT FREE-FALL OPEN REGULARLY ESPECIALLY FROM THE OUTSIDE. IT WILL POP THE SEAL BUT STAY - [SDR DXTA2022050261150](https://openairdocs.org/sdr/DXTA2022050261150), May 2, 2022: WIRE. PULLED. LAV EMERG LIGHT: LAV EMERGENCY LIGHT BELOW TOILET INOP. FOUND THE MOLEX CONNECTOR FOR THE LAV TOE KICK LIGHTING HAD THE WIRES PULLED OUT OF IT. RECONNECTED THE - [SDR DXTA2022012755770](https://openairdocs.org/sdr/DXTA2022012755770), Jan 26, 2022: NOT REPORTED. NOT REPORTED. MAIN DOOR: MAIN CABIN DOOR DOES NOT OPEN PROPERLY AND REQUIRES EXCESSIVE FORCE TO OPEN. ONCE LATCH IS RELEASED, DOOR OPENS ABOUT 3 INCHES THEN STOPS AND DOOR HA - [SDR 2021F00007](https://openairdocs.org/sdr/2021F00007), Jan 13, 2021: WEB. CRACKED. REPAIR OF NLG WHEEL WELL WEB AND UPPER MID FRAME CRACKS. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED 6/1/2020, CRACK DAMAGE, NOSE LANDING GEAR WH - [SDR 2021F00009](https://openairdocs.org/sdr/2021F00009), Jan 13, 2021: WEB. CRACKED. NLG WHEEL WELL WEB AND UPPER MID FRAME CRACKED. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED: 6-1-2020, CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL - [SDR 2020F00249](https://openairdocs.org/sdr/2020F00249), Apr 24, 2020: TIP CAP. ERODED. REPAIR RIGHT-HAND HORIZONTAL TIP CAP DAMAGE (EROSION). TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ25536M1 DATED APRIL 22, 2020. - [SDR DXTA2018041700850](https://openairdocs.org/sdr/DXTA2018041700850), Apr 16, 2018: STRUT. DISCHARGED. NLG VIBRATION AFTER RETRACTION, AFTER START AND DURING TAXI NWS OPERATED NORMALLY. TAKEOFF ROLL AND ROTATION ALSO NORMAL. RAISED THE LANDING GEAR AND IMMEDIATEL ## Service difficulty reports on N505QS not matched to an aircraft (3) They name N505QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA200500535](https://openairdocs.org/sdr/DXTA200500535), Jan 15, 2005: BLANKET. LOOSE. FIVE SECONDS AFTER ADDING TAKEOFF POWER REAR BAY OVERHEAT LOOKUP LIGHT ILLUMINATED. LIGHT WENT OUT TWO SECONDS AFTER THROTTLE REDUCED TO IDLE. RAN ENGINES. CHEC - [SDR DXTA200400472](https://openairdocs.org/sdr/DXTA200400472), Dec 8, 2004: ODOR. DETECTED. AT FL370 A BURNING ODOR WAS DETECTED, LASTING ABOUT 3-5 MINUTES. ANOTHER DIFFERENT BURNING ODOR WAS DETECTED PASSING 15,000 FEET IN THE DESCENT, IT LASTED UNTIL - [SDR DXTA200400391](https://openairdocs.org/sdr/DXTA200400391), Sep 14, 2004: COALESCER BAG. DIRTY. ON DESCENT WITH POWER LEVERS AT IDLE NOTICED EXHAUST FUME ODOR IN CABIN. REMOVED COALESOR SOCK AND INSTALLED NEW IAW MFG M/M CHAPTER 21-50-13. RAN AIRCRAFT AND ## 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.