# N979QS: 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: 680A0437
- Year built: 2025
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 17, 2025
- Certificate issued: September 11, 2026
- Expires: September 30, 2033
- Mode S code: ADA683
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=979QS
- Page: https://openairdocs.org/aircraft/N979QS

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 N979QS.

## FAA accident and incident reports

None matched to N979QS.

## 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 N979QS not matched to an aircraft (25)

They name N979QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2013120505591](https://openairdocs.org/sdr/DXTA2013120505591), Dec 6, 2013: ACTUATOR. FAULTY. PITCH FEEL FAIL CAS MESSAGE ILLUMINATED AFTER TAKEOFF. MESSAGE CYCLED OVER 6 TIMES & THEN STAYED ON THROUGHOUT APPROACH & LANDING. TROUBLESHOT TO LT LINEAR ACTU
- [SDR DXTA2013091105500](https://openairdocs.org/sdr/DXTA2013091105500), Sep 10, 2013: COMPRESSOR. SEIZED. STRONG BURNING ODOR COMING THROUGH CABIN VENTS. ODOR WENT AWAY WHEN CABIN PAC TURNED OFF. FOUND CABIN ACM BLADES NOT TURNING. REMOVED AND REPLACED CABIN ACM TUR
- [SDR DXTA2013070805437](https://openairdocs.org/sdr/DXTA2013070805437), Jul 7, 2013: ACM. SEIZED. CABIN A/C PACK UNCONTROLLABLE IN AUTO OR MANUAL. UNCONTROLLABLE HEAT WITH PACK ON. PACK OFF, TEMP DECREASES. SMOKE EMITTED INTO CABIN WHILE ON GROUND WITH APU R
- [SDR DXTA2012031404920](https://openairdocs.org/sdr/DXTA2012031404920), Mar 13, 2012: A/C PACK. BINDING. ON CLIMBING THROUGH FL 320 A SUDDEN ELECTRICAL BURNING ODOR WAS NOTICED AFTER OPENING TRASH CAN. IT APPEARED TO BE COMING FROM THE LOWER CENTER OF THE PASSENGER
- [SDR DXTA2011020104442](https://openairdocs.org/sdr/DXTA2011020104442), Jan 30, 2011: CONTROLLER. INOPERATIVE. ON TAXI OUT, AMBER WINDSHIELD HEAT INOPERATIVE LEFT CAS MESSAGE ILLUMINATED. A STRONG ELECTRICAL ODOR WAS APPARENT. RESET THE SYS AND THE MESSAGE REPEATED. FOUN
- [SDR DXTA10081804197A](https://openairdocs.org/sdr/DXTA10081804197A), Aug 19, 2010: ACM. SMOKE. COCKPIT PAC FAILED. DEFERRED IAW MEL 21-1, C. GAINED ACCESS TO COCKPIT ICU REMOVED ACM REF MM 21-51-00 (REV 40). COMPLIED WITH PRE-LUBERACTION PROCEDURES. SERVI
- [SDR DXTA2010082004197](https://openairdocs.org/sdr/DXTA2010082004197), Aug 19, 2010: CONTROL UNIT. MALFUNCTIONED. COCKPIT SUPPLY SIDE TEMP RAN UP TO 290° AND WAS UNCONTROLLABLE TO LOWER TEMP. RT-SIDE GASPERS PUT OUT HOT AIR ON AFT. BURNING SMELL AND HAZEY SMOKE ARE IN ACFT.
- [SDR DXTA2010032504053](https://openairdocs.org/sdr/DXTA2010032504053), Mar 24, 2010: ACM. SEIZED. FOUND CABIN ACM SEIZED. REMOVED CABIN ACM AND INSTALLLED A REPAIRED ACM. REMOVED COALESCER BAGS AND INSTALLED NEW COALESCER BAGS. CLEANED DUCTS AROUND WATER SEP
- [SDR DXTA2009092203795](https://openairdocs.org/sdr/DXTA2009092203795), Sep 21, 2009: WINDOW. FAILED. PILOTS LEFT SIDE WINDOW SHATTERED DURING CLIMB THRU FL340. R & R PILOTS LT WINDOW IAW MM 56-12-00 OP & LEAK CHECKED SATISFACTORY.
- [SDR DXTA2009072203734](https://openairdocs.org/sdr/DXTA2009072203734), Jul 21, 2009: STRUT. DISCHARGED. AFTER TAKEOFF, GEAR WAS SELECTED UP AND RED IN-TRANSIT LIGHT STAYED ON. GEAR WAS PUT BACK DOWN WITH 3 GREEN INDICATIONS. GEAR SELECTED BACK UP AND IT FUNCTIONED
- [SDR DXTA200803137](https://openairdocs.org/sdr/DXTA200803137), Jun 22, 2008: CONTROLLER. INOPERATIVE. IN FLIGHT LT WINDSHIELD HEAT INOP CAS CAME ON FOLLOWED BY A STRONG ACRID HOT ELECTRICAL ODOR. LT WINDSHIELD HEAT SWITCH WAS SELECTED OFF AND ODOR DISAPATED. REM
- [SDR DXTA200803118](https://openairdocs.org/sdr/DXTA200803118), Jun 13, 2008: HOSE. LEAKING. DURING TAKEOFF WHEN NOSE GEAR RETRACTED AN AUDIBLE BANG FOLLOWED BY LOSS OF ALL A SYS HYD QUANTITY. REMOVED AND REPLACED NOSE WHEEL CENTERING HYDRAULIC HOSE ASS
- [SDR DXTA200702701](https://openairdocs.org/sdr/DXTA200702701), Dec 23, 2007: DRIVE UNIT. INOPERATIVE. FLAP FAIL ANNUCIATION IN FLIGHT AT 3000 FT AND 220 KNOTS, WILL NOT RESET. REPLACED PDU WITH NEW PER THE 750 MM. CH. 27-52-00. ALL RIG AND OPERATIONAL CHECKS GOO
- [SDR DXTA200702520](https://openairdocs.org/sdr/DXTA200702520), Oct 3, 2007: ACTUATOR. OUT OF ADJUST. FLAPS FAIL AMBER CAS MESSAGE AFTER T/O. UNABLE TO RESET, FLAPS REMAINED STUCK AT 15 DEGREES. TROUBLESHOT DISCREPANCY TO A BINDING LT IB FLAP PANEL. ADJUSTED NR 
- [SDR DXTA200702419](https://openairdocs.org/sdr/DXTA200702419), Jul 24, 2007: CONTROL HANDLE. INTERMITTENT. LANDING GEAR HANDLE WOULD NOT MOVE AFTER TAKEOFF TO RETRACT GEAR. JACKED A/C, HOOKED UP HYD. SERVICE CART, CYCLED LANDING GEAR FOUND GEAR HANDLE OPERATION INTER
- [SDR DXTA200701930](https://openairdocs.org/sdr/DXTA200701930), Feb 12, 2007: UNKNOWN. UNKNOWN. A MODERATE THUMP (THAT SOUNDS AND FEELS LIKE IT IS COMING FROM THE NOSE WHEEL AREA) EXPERIENCED DURING CLIMB AND IN CRUISE- CO PILOT'S FEET ON FLOOR. REMOVED & 
- [SDR DXTA200701868](https://openairdocs.org/sdr/DXTA200701868), Jan 19, 2007: ACTUATOR. FAILED. ON DESCENT TO THE AIRPORT WE GOT A RUD LIMITER B FAIL CAS MESSAGE SHOWING AT 30%. T/S TO BAD ACTUATOR. REMOVED 7 REPLACED RUDDER LIMIT "B" ACTUATOR. SYSTEM OPS 
- [SDR DXTA200501044](https://openairdocs.org/sdr/DXTA200501044), Oct 28, 2005: WARNING SYSTEM. FALSE ACTIVATION. DURING TAKEOFF ROLL AT APPROXIMATLEY 50 KNOTS, RECEIVED AMBER CAS MESSAGE HP DUCT OVERPRESSURE. TAKEOFF WAS ABORTED. CAS MESSAGE WENT AWAY WHEN POWER WAS REDUCE
- [SDR DXTA200500897](https://openairdocs.org/sdr/DXTA200500897), Aug 11, 2005: COALESCER BAG. CONTAMINATED. APPROX 2 MINUTES AFTER THE APU WAS STARTED ON THE GROUND, THE COCKPIT AND CABIN BEGAN FILLING WITH ENVIROMENTAL TYPE SMOKE THE COCKPIT PAC WAS IN THE OFF POSTIO
- [SDR DXTA200500622](https://openairdocs.org/sdr/DXTA200500622), Mar 10, 2005: RESOLVER. FAULTY. FLAPS FAIL CAS MESSAGE APPEARED DURING FLAP EXTENSION, FLAPS REMAIN AT 0. SLATS EXTENDED PER CHECKLIST PUSHED FLAPS RESET BUTTON, DID NOT CLEAR CAS MESSAGE. HOO
- [SDR DXTA200500608](https://openairdocs.org/sdr/DXTA200500608), Feb 23, 2005: DOWNLOCK SWITCH. FAILED. IN CRUISE FLIGHT NOSE GEAR DOWN AND LOCKED LIGHT ILLUMINATED AND REMAINED ILLUMINATED. DID NOT HEAR OR FEEL EVIDENCE THAT NOSE ACTUALLY CAME DOWN. EMERGENCY PNE
- [SDR DXTA200500553](https://openairdocs.org/sdr/DXTA200500553), Jan 23, 2005: WARNING LIGHT. ILLUMINATED. FLAPS FAIL AMBER CAS MESSAGE ILLUMINATED ON APPROACH TO LANDING WHEN HANDLE EXTENDED. FLAPS REMAINED FULLY UP WITH SLATS EXTENDED. ITEM IS UNDER INVESTIGATION.
- [SDR DXTA200500518](https://openairdocs.org/sdr/DXTA200500518), Jan 6, 2005: WATER SEPARATOR. ODOR. THERE IS A STRONG OILY SMELL IN THE COCKPIT ONCE THE APU IS RUNNING AND THE BLEED AIR IS SELECTED ON. FOUND BOTH WATER SEPARATOR FILTER SOCKS DIRTY. CLEANED FIL
- [SDR DXTA200400369](https://openairdocs.org/sdr/DXTA200400369), Aug 20, 2004: UPLOCK. MALADJUSTMENT. IN CRUISE FLT, NOSE GEAR WENT INTO A SERIES OF UNLOCKS (WITH RED LIGHT) AND RETRACTS. FOUND NOSE STRUT EXTENSION EXCEEDED 9.63 INCHES CAUSING NOSE GEAR NOT TO F
- [SDR DXT2001F00001](https://openairdocs.org/sdr/DXT2001F00001), Jun 14, 2001: BRAKE. LOOSE. SPECIAL BOLTS BETWEEN STRIKER AND PISTON HOUSING WERE LOOSE AND WERE BACKED OFF APPROX 114 INCH. BRAKE TORQUE BUTTON HAS WORN A GROOVE AROUND THE INNER CIRCUMFE

## 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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