# N605QS: 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: 680A0284
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 18, 2021
- Certificate issued: September 21, 2026
- Expires: September 30, 2033
- Mode S code: A7DB41
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=605QS
- Page: https://openairdocs.org/aircraft/N605QS

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 N605QS.

## FAA accident and incident reports

None matched to N605QS.

## Service difficulty reports (14)

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 DXTA2026102110286](https://openairdocs.org/sdr/DXTA2026102110286), Oct 20, 2026: HINGE. LACK OF LUBE. WHILE SECURING THE AIRCRAFT THE MAIN CABIN DOOR BECAME STUCK AT THE CLOSED POSITION TOOK SIGNIFICANT FORCE TO ACTUATE LOCKING HANDLE. WENT TO OPEN THE DOOR AND 
- [SDR DXTA2026041607654](https://openairdocs.org/sdr/DXTA2026041607654), Apr 14, 2026: RUB BLOCK. BINDING. AFTER UNLATCHING THE MAIN CABIN DOOR HANDLE, THE DOOR DID NOT OPEN AND NEEDED TO BE FORCED TO START DOWN. AFTER ENGINE SHUTDOWN AND WITH APU RUNNING. TECH CONFI
- [SDR DXTA2026020306742](https://openairdocs.org/sdr/DXTA2026020306742), Jan 30, 2026: DOOR. FAULTED. IT TOOK MULTIPLE ATTEMPTS TO GET THE DOOR OPEN FROM THE OUTSIDE. ALSO COULDN'T GET OUT OF THE AIRCRAFT WITHOUT PUSHING ON THE DOOR. WHEN IT CLOSES THERE SEEMS T
- [SDR DXTA2026012306627](https://openairdocs.org/sdr/DXTA2026012306627), Jan 21, 2026: UNKNOWN. ODOR. DURING DESCENT THROUGH CLOUD LAYERS, ESTIMATING THROUGH 10,000 WITH ANTI-ICE ON FULL, SMELT STRONG CHEMICAL/ELECTRICAL FUMES IN THE CABIN. SMELL CLEARED AFTER T
- [SDR DXTA2025100205150](https://openairdocs.org/sdr/DXTA2025100205150), Sep 30, 2025: PRESSURE SWITCH. DEFECTIVE. SELECTING CROSS FEED FROM THE LEFT SIDE WHILE IN CRUISE FLIGHT CAUSED A LEFT LOW PRESS CAS, FOLLOWED BY A FUEL BST ON L CAS. CORRECTIVE ACTION: REPLACED PRESSUR
- [SDR DXTA2025040402942](https://openairdocs.org/sdr/DXTA2025040402942), Apr 4, 2025: SHIM. OUT OF TOLERANCE. UPON PULLING MAIN DOOR HANDLE, THE DOOR DOES NOT OPEN WITHOUT EXTRA FORCE. THERE IS A CLICKING SOUND COMING FROM THE BOTTOM LEFT OF THE DOOR WHEN CLOSING (FROM 
- [SDR DXTA2024120201276](https://openairdocs.org/sdr/DXTA2024120201276), Nov 25, 2024: POSITION SWITCH. MALFUNCTIONED. WOW MISCOMPARE AMBER CAS: UPON GEAR RETRACTION COMMAND THE GEAR HANDLE REMAINED IN THE DOWN AND LOCKED POSITION. THEN AN AMBER WOW MISCOMPARE CAS DISPLAYED ALON
- [SDR DXTA2023122110392](https://openairdocs.org/sdr/DXTA2023122110392), Dec 21, 2023: UNKNOWN. UNKNOWN. MAIN CABIN DOOR HANDLE BINDS WHEN CLOSING COMPLETED GENERAL VISUAL INSPECTION OF CABIN DOOR FOR OBVIOUS DEFECTS, NONE FOUND. CYCLED DOOR NUMEROUS TIMES, FOUND R
- [SDR DXTA2023113010201](https://openairdocs.org/sdr/DXTA2023113010201), Nov 30, 2023: UNKNOWN. UNKNOWN. MAIN ENTRY DOOR HANDLE BINDING WHEN TRYING TO CLOSE. VERIFIED DISCREPANCY. FOUND AFT UPPER LATCH STRIKER BOLT LOOSE. TIGHTENED BOLT AND BINDING WAS REMOVED. VID
- [SDR DXTA2023111710075](https://openairdocs.org/sdr/DXTA2023111710075), Nov 17, 2023: UNKNOWN. UNKNOWN. MAIN DOOR: MAIN CABIN DOOR NOT COMING ALL THE WAY UP TO ENGAGE LOCK. HANDLE WILL NOT COME DOWN NORMALLY. OPERATED MAIN CABIN DOOR SATISFACTORY PER CE 680A AMM 5
- [SDR DXTA2023061488610](https://openairdocs.org/sdr/DXTA2023061488610), Jun 14, 2023: UNKNOWN. UNKNOWN. AFTER T/O RWY 27 RAISING THE LANDING G. HANDLE, ABNORMAL INDICATIONS, THE 2 MAIN GEAR GREEN LIGHT (DN) REMAIN ON. THE NOSE DID COME UP. SEVERAL AMBER CAS MESSAG
- [SDR DXTA2022101271970](https://openairdocs.org/sdr/DXTA2022101271970), Oct 11, 2022: DOOR SEAL. DEFECTIVE. MAIN DOOR: LOUD HIGH PITCH NOISE DETECTED FROM MAIN CABIN DOOR. NOISE OCCURRED WHEN PASSING THROUGH 37300, CABIN ALTITUDE WAS AT 4900 AND CABIN DELTA PRESSURE A
- [SDR DXTA2022090169380](https://openairdocs.org/sdr/DXTA2022090169380), Aug 31, 2022: NONE. NONE. MAIN DOOR: MAIN ENTRANCE DOOR REQUIRES MORE FORCE THAN NORMAL TO OPEN AND CLOSE. REQUEST EVALUATION.// SIGNOFF// TESTED DOOR AND WAS ABLE TO REPRODUCE PILOT WRI
- [SDR DXTA2022081568030](https://openairdocs.org/sdr/DXTA2022081568030), Aug 15, 2022: SIGN. INOPERATIVE. FLOOR EMERG EXIT LIGHT: WHEN EMER LIGHTS ARE ARMED WITH THE MAIN BATTERIES OFF, THE EXIT SIGN ON THE AFT BULKHEAD AND THE LAV KICKPLATE LIGHTS DON'T ILLUMINATE.

## Service difficulty reports on N605QS not matched to an aircraft (10)

They name N605QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2014021705656](https://openairdocs.org/sdr/DXTA2014021705656), Feb 16, 2014: APU. DEFECTIVE. WITH APU RUNNING & ACM BLEED AIR ON THE CABIN & COCKPIT FILLED WITH A SMOKEY HAZE. SMOKE APPEARED TO COME FROM FLOOR MORE THAN THE WEMACS. R & R THE APU IAW MM 
- [SDR DXTA2011072504669](https://openairdocs.org/sdr/DXTA2011072504669), Jul 22, 2011: DISPLAY. FAILED. STANDBY ATTITUDE INDICATOR BLINKED OFF. SECONDS LATER SMELLED AN ELECTRICAL BURNING ODOR IN COCKPIT WITH LIGHT SMOKE. R & R SECONDARY FLIGHT DISPLAY, OPS CHECKE
- [SDR DXTA2011011104406](https://openairdocs.org/sdr/DXTA2011011104406), Jan 10, 2011: MOTOR. FAILED. DURING TAXI OUT FOR 135 LEG, CREW OBSERVED LOW BRAKE PRESS/ANTI-SKID M/C, NO BRAKE PRESSURE IN POWER BRAKE SYS, POWER BRAKE CB REMAINED IN, USED EMERGENCY BRAKE
- [SDR DXTA2008111003342](https://openairdocs.org/sdr/DXTA2008111003342), Nov 7, 2008: COMPUTER. MALFUNCTIONED. FL390 AP/FAIL, ATT FAIL, HDG FAIL COPILOTS SIDE STBY HSI FAIL. YAW DAMP WOULD NOT RE-ENGAGE. WHEN PUSHING TCS BUTTON FOR FLIGHT DIRECTOR AP FAIL LIGHT WOULD ILL
- [SDR DXTA200802853](https://openairdocs.org/sdr/DXTA200802853), Feb 8, 2008: THERMAL SWITCH. MALFUNCTIONED. RT BLEED AIR OVERHEAT ANNUNCIATOR ILLUMINATED ON DEPARTURE, RT THROTTLE RETARDED TO BELOW 80 PERCENT N1 AND LIGHT WENT OUT. TROUBLESHOT SQUAWK DOWN TO RT BLEED 
- [SDR CWQR200619](https://openairdocs.org/sdr/CWQR200619), Aug 9, 2006: CABLE ASSY. FRAYED. DURING A PHASE B INSPECTION, OPERATOR REQUESTED WE INSPECT THE AFT ELEVATOR TRIM CABLES. UPON INSPECTION WE FOUND BROKEN WIRES, TOOK CABLE TENSIONS, FOUND TO BE
- [SDR DXTA200500896](https://openairdocs.org/sdr/DXTA200500896), Aug 11, 2005: B-NUT. LEAKING. STRONG ODOR OF FUEL NOTICED IN CABIN, HELL HOLE, AND APU EXHAUST. ODOR NOTICED WITH A APU RUNNING WITH APU OFF. T/S APU FUEL SYSTEM AND APU SMELL. RAN APU. FOUN
- [SDR DXTA200500855](https://openairdocs.org/sdr/DXTA200500855), Jul 23, 2005: HANDLE. LOCKED. LANDING GEAR HANDLE WILL NOT RELEASE FROM DOWN POSITION TO RETRACT GEAR AFTER TAKEOFF. ITEM IS UNDER INVESTIGATION.
- [SDR DXTA200300151](https://openairdocs.org/sdr/DXTA200300151), Nov 2, 2003: ENGINE. MAKING METAL. AFTER TAKEOFF CLIMBING THRU 3000 FT OIL PRESS LIGHT CAME ON. REDUCED POWER AND LIGHT WENT OUT, ADDED POWER AND INDICATION WAS NORMAL, OIL PRESS AND OIL GAGE AGR
- [SDR DXTA200300049](https://openairdocs.org/sdr/DXTA200300049), Jun 15, 2003: APU. FAILED. DURING CLIMBOUT SMOKE WAS NOTICED IN THE COCKPIT AND CABIN. APU FAIL LIGHT ILLUMINATED AND APU SHUTDOWN. FOUND APU OIL QTY EMPTY, RESERVICED & OIL LEAKS INTO AP

## 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

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