# N427QS: 2018 Embraer Executive EMB-505

- Status: Valid registration
- Airframe: [Embraer Executive EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (registry code 3260390, 8 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A60CE](https://openairdocs.org/tcds/A60CE) (Embraer S.A.) (OpenAirDocs)
- Serial number: 50500484
- Year built: 2018
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, acrobatic
- Airworthiness date: November 7, 2018
- Certificate issued: November 24, 2025
- Expires: November 30, 2032
- Mode S code: A5170F
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=427QS
- Page: https://openairdocs.org/aircraft/N427QS

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): 12 in force

### Matched by airframe (Embraer Executive EMB-505)

- [AD 2026-10-18](https://openairdocs.org/ad/2026-10-18): Flight Control System · Embraer EMB-505. Effective Jul 6, 2026
- [AD 2026-03-05](https://openairdocs.org/ad/2026-03-05): Autopilot Main Servo · Embraer EMB-505. Effective Mar 31, 2026
- [AD 2024-22-06](https://openairdocs.org/ad/2024-22-06): Cabin Equipment/Furnishings · Embraer EMB-505. Effective Jan 2, 2025
- [AD 2024-17-09](https://openairdocs.org/ad/2024-17-09): Cabin Equipment/Furnishings · Embraer EMB-505. Effective Nov 12, 2024
- [AD 2023-21-04](https://openairdocs.org/ad/2023-21-04): Indicating/recording system · Embraer EMB-505. Effective Dec 11, 2023
- [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 2022-05-12](https://openairdocs.org/ad/2022-05-12): Elevator Structure, Rudder Structure, Ailerons · Embraer EMB-505. Effective Apr 13, 2022
- [AD 2021-24-21](https://openairdocs.org/ad/2021-24-21): Operations · Embraer EMB-500 and EMB-505. Effective Jan 25, 2022
- [AD 2018-07-10](https://openairdocs.org/ad/2018-07-10): Flight Controls · Embraer EMB-500 and EMB-505. Effective May 15, 2018
- [AD 2016-22-02](https://openairdocs.org/ad/2016-22-02): Equipment/Furnishing · Embraer EMB-500 and EMB-505. Effective Dec 1, 2016
- [AD 2014-19-01](https://openairdocs.org/ad/2014-19-01): Landing Gear · Embraer EMB-505. Effective Oct 22, 2014
- [AD 2012-13-04](https://openairdocs.org/ad/2012-13-04): Flight Controls · Embraer - Empresa Brasileira de Aeronautica EMB-505. Effective Aug 6, 2012

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

### Historical (superseded or no longer in force)

- [AD 2023-22-11](https://openairdocs.org/ad/2023-22-11) (historical): Autopilot Main Servo · Embraer EMB-505. Effective Dec 26, 2023
- [AD 2023-21-06](https://openairdocs.org/ad/2023-21-06) (historical): Cabin Equipment/Furnishings · Embraer EMB-505. Effective Dec 11, 2023
- [AD 2020-12-08](https://openairdocs.org/ad/2020-12-08) (historical): Elevator Structure; Rudder Structure; Ailerons · Embraer EMB-505. Effective Jul 1, 2020
- [AD 2013-22-20](https://openairdocs.org/ad/2013-22-20) (historical): Landing Gear · Embraer EMB-505. Effective Nov 8, 2013
- [AD 2011-20-01](https://openairdocs.org/ad/2011-20-01) (historical): Flight Controls · Embraer - Empresa Brasileira de Aeronautica EMB-505. Effective Oct 31, 2011

## Information bulletins (advisory) (2 in force)

- [SAIB CE-16-23](https://openairdocs.org/saib/CE-16-23): Navigation; Degraded Attitude and Heading Reference System (AHRS) Performance When Operating in Areas of Unreliable or Unavailable Global Positioning System (GPS) Signal. Issued Sep 7, 2016
- [SAIB CE-10-46](https://openairdocs.org/saib/CE-10-46): Navigation; Embraer EMB-505 Terrain Awareness Warning System (TAWS) Instructions in Airplane Flight Manual. Issued Aug 16, 2010

## NTSB investigations

None matched to N427QS.

## FAA accident and incident reports

None matched to N427QS.

## Service difficulty reports (13)

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 DXTA2026020606786](https://openairdocs.org/sdr/DXTA2026020606786), Feb 4, 2026: BATTERY PACK. DEFECTIVE. DURING FLIGHT EMER LIGHTS FLICKERING IN THE ON AND ARM POSITION. REMOVED EMER BATT #1 AND #2 AND INSTALLED A CUS SUPP REPAIRED #1 AND #2 UNIT PERFORMED A SATISF
- [SDR DXTA2026020406764](https://openairdocs.org/sdr/DXTA2026020406764), Feb 1, 2026: BATTERY. DEFECTIVE. CABIN EMERGENCY LIGHTS FLICKER WITH EMER LT SWITCH IN THE ARM AND ON POSITION CORRECTIVE ACTION: T/S TO FAULTY #2 BATTERY PACK, MCC REQUESTED R&R OF BOTH FWD AN
- [SDR DXTA2026010506397](https://openairdocs.org/sdr/DXTA2026010506397), Jan 1, 2026: ROD. FOD. MAIN CABIN DOOR IS STUCK HALFWAY DOWN/UP AND IS EXTREMELY HARD TO OPEN/CLOSE AFTER THE AIRCRAFT GOT PULLED FROM THE HANGAR. BANGING NOISES CAN BE HEARD WHEN TRY
- [SDR DXTA2025030702596](https://openairdocs.org/sdr/DXTA2025030702596), Mar 6, 2025: BRAKE SYS. FAULTED. AFTER TAXING OUT WE FELT A HEAVY SHUTTERING ON THE RIGHT SIGHT WHEN BRAKE WAS ABPLIED CORRECTIVE ACTION: PERFORMED BRAKE SYSTEM BLEED PER TASK TC-ES0-32-1001. O
- [SDR DXTA2024032511289](https://openairdocs.org/sdr/DXTA2024032511289), Mar 23, 2024: BATTERY. DISCHARGED. EMERGENCY LIGHTS ILLUMINATED DURING FLIGHT WITH THE EMER LT SWITCH IN THE ARM POSITION. PICTURES ATTACHED. REMOVED FWD AND AFT EMER LIGHT BATTERIES AND INSTALLE
- [SDR DXTA2024030711117](https://openairdocs.org/sdr/DXTA2024030711117), Mar 5, 2024: INDICATOR. MALFUNCTIONED. IN FLIGHT AT FL400 WE HAD AN FCE 1 FAILURE. REMOVED FCE PN: 462900-1017 SN: 0550 FROM FCE 1 POSITION AND REPLACED WITH FCE ORIGINALLY IN THE FCE 2 POSITION MENT
- [SDR DXTA2023072491570](https://openairdocs.org/sdr/DXTA2023072491570), Jul 23, 2023: UNKNOWN. UNKNOWN. BRAKE COMPUTER: DURING TAXI, MAIN BRAKES PULSING THE ANTI SKID SYSTEM CAUSING A SHUTTERING AT ALL SPEEDS. //SIGNOFF// AFTER COMPLETION OF BRAKE & EMERGENCY BRAK
- [SDR DXTA2022082969160](https://openairdocs.org/sdr/DXTA2022082969160), Aug 28, 2022: NONE. NONE. BLEED AIR: ACRID BURNING RUBBER ODOR NOTED ON 2 CONSECUTIVE TAKEOFFS. ODOR IS STRONGEST AS T/O POWER IS APPLIED AND BEGINS TO DISSAPATE ON CLIMBOUT. // SIGNOFF/
- [SDR DXTA2022051761940](https://openairdocs.org/sdr/DXTA2022051761940), May 16, 2022: BATTERY PACK. DEFECTIVE. EMERGENCY LIGHTING: IN FLIGHT THE EMERGENCY LIGHTS WERE BLINKING ON AND OFF WITH SWITCH IN ARM POSITION. AFTER CYCLING THE EMER LIGHT SWITCH THE EMER LIGHTS REM
- [SDR DXTA2022031458410](https://openairdocs.org/sdr/DXTA2022031458410), Nov 13, 2021: NONE. NONE. RIGHT MLG BRAKE: ON TAXI OUT RT MAIN BRAKE STARTED TO MAKE SHUTTER/GRINDING SOUND WHEN APPLYING ANY AMOUNT OF BRAKE PRESSURE. FELT LIKE THERE WAS NO BRAKE ON RI
- [SDR DXTA2021050541640](https://openairdocs.org/sdr/DXTA2021050541640), May 5, 2021: TRANSDUCER. DEFECTIVE. RIGHT MLG BRAKE: DURING TAXI OUT, THE RIGHT, MAIN BRAKE INTERMITTENTLY FAILED. APPLYING THE BRAKES RESULTED IN A GRINDING SOUND AND IT FAILED TO ENGAGE FULLY. T
- [SDR 2021FA0000076](https://openairdocs.org/sdr/2021FA0000076), Mar 8, 2021: BALANCE WEIGHT. CORRODED. DURING ACCOMPLISHMENT OF EMBRAER SERVICE BULLETIN 505-55-0004 REV 01 (DATED 06/24/2020) WE NOTED THE FOLLOWING MASS BALANCE WEIGHT BELOW TOLERANCE AT LEFT ELEVA
- [SDR DXTA2020031303578](https://openairdocs.org/sdr/DXTA2020031303578), Mar 12, 2020: LATCH. LACK OF LUBE. MAIN DOOR HANDLE - MAIN CABIN DOOR EXTERIOR HANDLE KEEPS BINDING UP REQUIRING ABNORMALLY HIGH FORCE TO OPEN THE DOOR FROM THE OUTSIDE. THE INTERIOR HANDLE OPENS

## STCs that may be installed (OpenAirDocs) (47)

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 Executive EMB-505)

- [STC SA12141IB](https://openairdocs.org/stc/SA12141IB): GOGO HDX antenna systems integration. FTI ENGINEERING NETWORK GmbH
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04761NY](https://openairdocs.org/stc/SA04761NY): True Blue TS56 Emergency Battery Power Supply Replacement. Mid-Continent Instrument Co. Inc
- [STC SA12286AT](https://openairdocs.org/stc/SA12286AT): Installation of a LEO Connectivity System. Embraer Engineering & Technology Center, USA, Inc
- [STC SA12143CH](https://openairdocs.org/stc/SA12143CH): Installation of SpaceX Starlink Aviation System. Nextant Aerospace
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA02779SE](https://openairdocs.org/stc/SA02779SE): Installation of Gogo AVANCE L3 Inflight Connectivity System. AeroMech Incorporated
- [STC SA12140IB](https://openairdocs.org/stc/SA12140IB): Mechanical provisions for the installation of a GOGO HDX antenna. FTI ENGINEERING NETWORK GmbH
- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA03316CH](https://openairdocs.org/stc/SA03316CH): Activation of an 802.11 a/b/g/n WiFi System. Elliott Aviation Technical Products Development Inc
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA09942AC](https://openairdocs.org/stc/SA09942AC): Installation of Schatz Bearing Corporation, Radial Bearing P/N’s : KP60BHT-H-OPG and KP64BHT-H-OPG. AV8 PMA LLC
- [STC SA00087IB](https://openairdocs.org/stc/SA00087IB): Medical reconfiguration of the EMB-505. UMLAUT ENGINEERING GMBH
- [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH
- [STC SA04552AT](https://openairdocs.org/stc/SA04552AT): Installation of cargo compartment floor covering. Embraer Engineering and Technology Center, USA, Inc
- [STC SA04548AT](https://openairdocs.org/stc/SA04548AT): Installation of an Avionica, LLC Quick Access Recorder/Data Concentrator model avRDC MAX (QAR) P/N 804-1250-32 and optional Avionica, LLC Cellular Module LTE (avCM LTE) P/N 650-0100-05. Aircraft Systems and Manufacturing Inc
- [STC SA00038IB](https://openairdocs.org/stc/SA00038IB): Replacement of the Passenger Seat Cushion Covers and Foams on the Embraer S.A. EMB-505. Waypoint Aerotec Limited
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA01727WI](https://openairdocs.org/stc/SA01727WI): Interior Alteration for Installation of a Coffee Maker and Modification of No Smoking Signs. Netjets Aviation Inc
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [STC SA04463AT](https://openairdocs.org/stc/SA04463AT): Installation of a Gogo Business Aviation Avance L5 Air To Ground (ATG) In-Flight Entertainment and Connectivity (IFEC) System. Embraer Engineering & Technology Center - USA Inc
- [STC SA03010CE](https://openairdocs.org/stc/SA03010CE): Installation of a Lacobucci HF Electronics Nespresso Machine PIN HFE96-28T-10 and/or Monogram System -TIA Division Wavejet Microwave Oven PIN 400-1860-01. Embraer Engineering & Technology Center - USA Inc
- [STC SA04397NY](https://openairdocs.org/stc/SA04397NY): Installation of Satcom system. 328 Support Services GmbH
- [STC SA03003CE](https://openairdocs.org/stc/SA03003CE): Installation of an Aviator 200 Satcom System. Embraer Engineering & Technology Center - USA Inc
- [STC SA03005CE](https://openairdocs.org/stc/SA03005CE): Installation of an Aviator 200 Satcom System. Embraer Engineering & Technology Center - USA Inc
- [STC SA03001CE](https://openairdocs.org/stc/SA03001CE): Installation of Honeywell High Frequency (HF) Communication System, model KHF1050HF, and AvTec Selective Calling (SELCAL), model CSD-714. Embraer Engineering & Technology Center - USA Inc
- [STC SA03006CE](https://openairdocs.org/stc/SA03006CE): Installation of a Medical Evacuation Configuration (Medevac). Embraer Engineering & Technology Center - USA Inc
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS
- [STC SA00959DE](https://openairdocs.org/stc/SA00959DE): Installation of Concorde valve regulated Lead-Acid batteries in replacement of aircraft main batteries. Concorde Battery Corporation
- [STC SA00901DE](https://openairdocs.org/stc/SA00901DE): Installation of up to Two Exxternally Mounted Gimbal Systems. Straight Flight Inc
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA03004CE](https://openairdocs.org/stc/SA03004CE): In accordance with Part 23 regulations specified in the current certification basis of Type Certificate Number A60CE, installation of pilot's new, extended seat tracks. Embraer S.A
- [STC SA03956AT](https://openairdocs.org/stc/SA03956AT): Installation of Aircell ATG-4000 High Speed Internet System (AHSI) and Aircell Axxess II Iridium Satcom or Aircell Aviator 200 SBB Satcom, Aircell ATG 5000 High Speed Internet System (AHSI) all with Wireless Local Area Network (WLAN). Nextant Aerospace
- [STC SA03973NY](https://openairdocs.org/stc/SA03973NY): Replacement of existing TCAS 7.0 by TCAS 7.1. Scandinavian Avionics Design ApS
- [STC SA03764NY](https://openairdocs.org/stc/SA03764NY): Installation of the Low Gain Satcom Antenna. Roeder Praezision GMBH
- [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
- [STC SA04278AT](https://openairdocs.org/stc/SA04278AT): Installation of a cabin In-Flight Entertainment & Passenger Audio System. Embraer Engineering & Technology Center - USA Inc
- [STC SA04145CH](https://openairdocs.org/stc/SA04145CH): Installation of a cosmetic threshold in the aft baggage compartment to protect interior coverings/materials from loading and removal of baggage. Elliott Aviation Technical Products Development, Inc
- [STC SA04260AT](https://openairdocs.org/stc/SA04260AT): Installation of an 802.11 Wireless Internet System. Embraer Engineering & Technology Center - USA Inc
- [STC SA04243AT](https://openairdocs.org/stc/SA04243AT): Installation of AFT Lavatory Coat Hanger Support. Embraer Engineering & Technology Center - USA Inc
- [STC SA01969SE](https://openairdocs.org/stc/SA01969SE): Installation of a Mid-Continent MD302 Standby Attitude Module. Mid-Continent Instruments and Avionics
- [STC SA03352CH](https://openairdocs.org/stc/SA03352CH): Activation of an 802.11 a/b/g and n Wi-Fi System. Elliott Aviation Technical Products Development, Inc
- [STC SA01789WI](https://openairdocs.org/stc/SA01789WI): Quasar II Cabin Lighting with eConnect and Noise Mitigation. Duncan Aviation Inc
- [STC SA01760WI](https://openairdocs.org/stc/SA01760WI): Installation of an Aircell Universal Cabin System (UCS) 5000 with Wireless Local Area Network (WLAN). Duncan Aviation Inc
- [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc
- [STC SA01703WI](https://openairdocs.org/stc/SA01703WI): Installation of Concorde RG-380E/44 and RG-390E VRSLA Batteries. Concorde Battery Corporation
- [STC SA01692WI](https://openairdocs.org/stc/SA01692WI): Installation of Aircell High Speed Internet (AHSI) System with Wireless Local Area Network (WLAN) capability. Duncan Aviation Inc

## Related

- Other Embraer Executive EMB-505 aircraft: https://openairdocs.org/model/embraer-executive-emb-505/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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