# N274QS: 2025 Embraer S A EMB-545 - Status: Valid registration - Airframe: [Embraer S A EMB-545](https://openairdocs.org/model/embraer-s-a-emb-545) (registry code 3260418, 11 seats) - Engine: [Honeywell AS907-3-1E](https://openairdocs.org/engine/honeywell-as907-3-1e) (registry code 33402) - Data sheets: [TCDS TC00062IB](https://openairdocs.org/tcds/TC00062IB) (Embraer S.A.), [TCDS E00010LA](https://openairdocs.org/tcds/E00010LA) (Honeywell Aerospace US LLC) (OpenAirDocs) - Serial number: 55010170 - Year built: 2025 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: September 3, 2025 - Certificate issued: February 20, 2026 - Expires: February 28, 2033 - Mode S code: A2B6C7 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=274QS - Page: https://openairdocs.org/aircraft/N274QS 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): 13 in force ### Matched by airframe (Embraer S A EMB-545) - [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 2026-08-52](https://openairdocs.org/ad/2026-08-52): Flight controls · Embraer EMB-545 and EMB-550. Effective May 26, 2026 - [AD 2025-13-02](https://openairdocs.org/ad/2025-13-02): Doors · Embraer EMB-545 and EMB-550. Effective Aug 5, 2025 - [AD 2024-23-07](https://openairdocs.org/ad/2024-23-07): Landing gear · Embraer EMB-545 and EMB-550. Effective Nov 20, 2024 - [AD 2024-16-16](https://openairdocs.org/ad/2024-16-16): Windows · Embraer EMB-550 and EMB-545. Effective Oct 30, 2024 - [AD 2024-15-13](https://openairdocs.org/ad/2024-15-13): Windows · Embraer EMB-545 and EMB-550. Effective Oct 23, 2024 - [AD 2024-05-13](https://openairdocs.org/ad/2024-05-13): Auto Flight · Embraer EMB-545 and EMB-550. Effective Apr 10, 2024 - [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 2022-19-14](https://openairdocs.org/ad/2022-19-14): Equipment/furnishings · Embraer EMB-545 and EMB-550. Effective Apr 14, 2023 - [AD 2022-21-08](https://openairdocs.org/ad/2022-21-08): Flight Controls · Embraer EMB-545. Effective Dec 22, 2022 - [AD 2020-25-07](https://openairdocs.org/ad/2020-25-07): Windows · Embraer EMB-545 and EMB-550. Effective Jan 21, 2021 - [AD 2017-22-14](https://openairdocs.org/ad/2017-22-14): Navigation · Bombardier BD-100-1A10 (Challenger 300), BD-500-1A10, BD-500-1A11 and 13 more. Effective Dec 20, 2017 ### Matched by engine (Honeywell AS907-3-1E) - [AD 2018-04-13](https://openairdocs.org/ad/2018-04-13): Engine Controls Section · Honeywell International AS907-1-1A, AS907-2-1A, AS907-2-1G and 1 more. Effective Apr 12, 2018 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N274QS. ## FAA accident and incident reports None matched to N274QS. ## Service difficulty reports (1) 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 DXTA2026022707033](https://openairdocs.org/sdr/DXTA2026022707033), Feb 25, 2026: WARNING MESSAGE. FALSE ACTIVATION. AT CRUISE FL410 GOT CYAN CASS DOOR PAX SEAL FAIL. RAN CHECKLIST AND DECENDED TO FL390 AND CONTINUED FLIGHT. CORRECTIVE ACTION: ARRIVED AT AIRCRAFT AND FOUND FAU ## Service difficulty reports on N274QS not matched to an aircraft (2) They name N274QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR 96ZZZX954](https://openairdocs.org/sdr/96ZZZX954), Feb 18, 1996: ACTUATOR. DEFECTIVE. DURING PHASE 12 INSPECTION, RIGHT FLAP ACTUATOR FAILED INTERNAL LEAKAGE CHECK. REPLACED ACTUATOR. ACTUATOR INTERNAL O-RING FAILURE SUSPECTED CAUSE. THIS IS THE - [SDR 95ZZZX3088](https://openairdocs.org/sdr/95ZZZX3088), Jun 9, 1995: COUPLING. DEFECTIVE. THE INBOARD PERI-SEAL COUPLING WAS FOUND WITH THE FORWARD END PULLED OUT OF THE RETAINER. REPLACED THE FORWARD DUCT ASSY, THE RETAINER AND BOTH PERI-SEALS ON IN ## STCs that may be installed (OpenAirDocs) (15) 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 (Embraer S A EMB-545) - [STC ST04764NY](https://openairdocs.org/stc/ST04764NY): True Blue Power TS56 Emergency Battery Power Supply Replacement. Mid-Continent Instrument Co., Inc - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST11982CH](https://openairdocs.org/stc/ST11982CH): Installation of SpaceX Starlink Aviation System i. Nextant Aerospace - [STC ST04560AT](https://openairdocs.org/stc/ST04560AT): Replacement of the existing Honeywell HTF7000 engine upper and lower thrust reverser door assemblies with Quiet Technology Aerospace modified upper and lower thrust reverser door assemblies. Quiet Technology Aerospace - [STC ST02534SE](https://openairdocs.org/stc/ST02534SE): Installation and maintenance of a Crane Aerospace & Electronics Tire Pressure Sensor Assembly. ELDEC Corporation - [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 ST11934IB](https://openairdocs.org/stc/ST11934IB): Installation of Gogo AVANCE L5/LX5 System. Sky Service F.B.O Inc - [STC ST11863CH](https://openairdocs.org/stc/ST11863CH): Installation of Gogo Dual Directional Antennas. Premier Air Center LLC. d/b/a West Star Aviation - [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH - [STC ST04665CH](https://openairdocs.org/stc/ST04665CH): Installation of a Galley 115VAC/60Hz inverter and USB Charging Ports in accordance with Premier Air Center Master Data List Document No. A23377L-755, Revision C, dated June 7, 2024, or later FAA approved revision. PREMIER AIR CENTER LLC dba WEST STAR AVIATION - [STC ST04650CH](https://openairdocs.org/stc/ST04650CH): Installation of a Gogo Avance L5 Broadband System. PREMIER AIR CENTER LLC, d/b/a WEST STAR AVIATION - [STC ST04575AT](https://openairdocs.org/stc/ST04575AT): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering. Chippewa Aerospace Inc - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited - [STC ST04464AT](https://openairdocs.org/stc/ST04464AT): Replacement of the inner aluminum barrel of the engine inlet cowl. Quiet Technology Aerospace - [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS ## Related - Other Embraer S A EMB-545 aircraft: https://openairdocs.org/model/embraer-s-a-emb-545/aircraft.md - The Honeywell AS907-3-1E engine: https://openairdocs.org/engine/honeywell-as907-3-1e.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.