# N821QS: 2021 Textron 700 - Status: Valid registration - Airframe: [Textron 700](https://openairdocs.org/model/textron-700) (registry code 2076819, 14 seats) - Engine: [Honeywell AS907-2-1S](https://openairdocs.org/engine/honeywell-as907-2-1s) (registry code 33403) - Data sheets: [TCDS T00015WI](https://openairdocs.org/tcds/T00015WI) (Textron Aviation Inc.), [TCDS E00010LA](https://openairdocs.org/tcds/E00010LA) (Honeywell Aerospace US LLC) (OpenAirDocs) - Serial number: 700-0058 - Year built: 2021 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: September 29, 2021 - Certificate issued: December 30, 2025 - Expires: December 31, 2032 - Mode S code: AB3601 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=821QS - Page: https://openairdocs.org/aircraft/N821QS 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): 2 in force ### Matched by airframe (Textron 700) - [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 ### Matched by engine (Honeywell AS907-2-1S) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N821QS. ## FAA accident and incident reports None matched to N821QS. ## Service difficulty reports (3) 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 DXTA2024110401015](https://openairdocs.org/sdr/DXTA2024110401015), Nov 1, 2024: BATTERY PACK. DEFECTIVE. EMERGENCY LIGHTS BATTERY: EMERGNCY LIGHT DO NOT WORK IN THE MORNING. AFTER RUNNNIG THE APU FOR 30 MINUTES THEY WORK. CORRECTIVE ACTION; REPLACED AFT LH, AFT RH, - [SDR DXTA2024101400824](https://openairdocs.org/sdr/DXTA2024101400824), Oct 11, 2024: WINDOW. CRACKED. COPILOT SIDE SIDE WINDOW HAS A CRACK UPPER AFT CORNER. CORRECTIVE ACTION: REPLACED RH COCKPIT SIDE WINDOW IAW AMM 56-10-10. OPS/LEAK CHECK GOOD. - [SDR DXTA2023030781760](https://openairdocs.org/sdr/DXTA2023030781760), Mar 3, 2023: BATTERY. DEFECTIVE. EMERG LIGHT SWITCH: EMER LIGHTS INOP. IN "ON" POSITION, ISLE LIGHTS ARE THE ONLY LIGHTS THAT COME ON AND ARE DIM. IN "ARM" POSITION, NO EMER LIGHTS COME ON.///S ## Service difficulty reports on N821QS not matched to an aircraft (9) They name N821QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2012080205073](https://openairdocs.org/sdr/DXTA2012080205073), Aug 1, 2012: CONNECTOR. BACKED OUT. AFTER SELECTING GEAR DOWN, ONLY THE 2 MAIN GEAR LIGHTS WERE GREEN. NOSE GEAR HAD NO GREEN OR RED LIGHTS. NOSE GEAR PIN WAS UP (INDICATING GEAR DOWN). LIGHTS TES - [SDR E81R_JW30261_2](https://openairdocs.org/sdr/E81R_JW30261_2), Mar 24, 2010: SWITCH. BINDING. INVESTIGATED PILOT REPORT OF LT (PILOT'S) INSTRUMENT PANEL CA ADC REVERSIONARY SWITCH BEING STUCK IN PLACE, UNABLE TO SWITCH FUNCTIONS. VERIFIED PN 4882-580 SWI - [SDR E81R_JW30261_1](https://openairdocs.org/sdr/E81R_JW30261_1), Mar 24, 2010: SWITCH. BINDING. INVESTIGATED PILOT REPORT OF RT (COPILOT'S) SIDE INSTRUMENT PANEL CD AHS REVERSIONARY SWITCH STUCK, UNABLE TO SWITCH FUNCTIONS. VERIFIED PN 4882-579 SWITCH ASSY - [SDR DXTA200906113685](https://openairdocs.org/sdr/DXTA200906113685), Jun 11, 2009: DISPLAY. MALFUNCTIONED. LT PFD STARTED TO FLICKER 1 HOUR INTO FLIGHT. STROBE EFFECT. VERIFIED DISCREPANCY. FOUND LT PFD TO FLICKER AT POWER UP AND THEN GO BLANK. REMOVED LEFT PFD AND R - [SDR DXTA200802999](https://openairdocs.org/sdr/DXTA200802999), Apr 15, 2008: CONTROL VALVE. SMOKE. SMOKE COMING FROM FLOOD VENT REAR CABIN. ACCESSED CABIN TEMP CONTROL VALVE, ACCOMPLISHED FUNCTIONAL TEST OF VALVE, NO DEFECTS NOTED. REMOVED VALVE & INSPECTED B - [SDR DXTA200702483](https://openairdocs.org/sdr/DXTA200702483), Sep 16, 2007: DUCT. LOOSE. BAG FIRE LIGHT CAME ON IN FLIGHT DURING T/O. 09-28-07 FOUND BLEED AIR DUCT LEAKING TIGHTENED DUCT CLAMP OPS CHECKED GOOD IAW HAWKER 800XP AMM 21-10-15. - [SDR DXTA200702444](https://openairdocs.org/sdr/DXTA200702444), Sep 3, 2007: FIRE WARNING. FALSE ACTIVATION. BAG FIRE LIGHT ILLUMINATED INTERMITTENTLY AFTER TAKEOFF. REPLACED SMOKE DETECTOR SYSTEM CONTROL AMPLIFIER I/A/W 800XP MM ADDENDA 26-11-00. OPS CHECK GOOD WITH T - [SDR DXTA200702434](https://openairdocs.org/sdr/DXTA200702434), Aug 28, 2007: SMOKE DETECTOR. INOPERATIVE. BAG FIRE LIGHTS REMAINS ILLUMINATED. THIS IS A REPEAT WRITE-UP FROM 08/27/07. REMOVED FWD SMOKE DETECTOR P/N 473597-14 S/N 0754 AND INSTALLED NEW UNIT S/N 1271. - [SDR DXTA200702433](https://openairdocs.org/sdr/DXTA200702433), Aug 27, 2007: FIRE DETECTOR. MALFUNCTIONED. BAG FIRE LIGHT ILLUMINATED ON TOUCHDOWN. CHECKED ELECTRICAL CONNECTIONS AT FWD, AFT AND LAV SMOKE DETECTORS, SMOKE DETECTOR AMPLIFIER AND ALL THREE TEST SWITCHE ## STCs that may be installed (OpenAirDocs) (11) 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 700) - [STC ST12145SE](https://openairdocs.org/stc/ST12145SE): Installation of Starlink Aviation System. AeroMech Incorporated - [STC ST04736NY](https://openairdocs.org/stc/ST04736NY): True Blue TS28 Emergency Battery Power Supply Replacement. Aerospace Design and Compliance LLC - [STC ST00415BO](https://openairdocs.org/stc/ST00415BO): Installation of an NVIS/NVG compatible lighting system and infrared capable exterior lighting. ATI Engineering Services LLC - [STC ST04575AT](https://openairdocs.org/stc/ST04575AT): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering. Chippewa Aerospace Inc - [STC ST02812LA](https://openairdocs.org/stc/ST02812LA): Installation of the Honeywell EDG-100 Connected Engine Data Access System. Honeywell International Inc - [STC ST04572CH](https://openairdocs.org/stc/ST04572CH): Installation of an Airborne Terminal System and a Ka Radome. StandardAero Business Aviation Services LLC - [STC ST02746SE](https://openairdocs.org/stc/ST02746SE): Installation of external aerodynamic modifications, interior furnishings and equipment, including provisions for additional non-essential systems. Textron Aviation Inc - [STC ST02694SE](https://openairdocs.org/stc/ST02694SE): Group Reduced Vertical Separation Minimum (RVSM) airworthiness approval. AeroMech Incorporated - [STC ST04211NY](https://openairdocs.org/stc/ST04211NY): Installation of of NSM UNIFIS 3000 G2 Flight Inspection System. Aerospace Design & Compliance LLC - [STC ST01971WI](https://openairdocs.org/stc/ST01971WI): Installation of the Garmin G5000 Software Changes & GH-3900 Standby Configuration Updates. Textron Aviation Inc - [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 ## Related - Other Textron 700 aircraft: https://openairdocs.org/model/textron-700/aircraft.md - The Honeywell AS907-2-1S engine: https://openairdocs.org/engine/honeywell-as907-2-1s.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.