# STCs that may be installed: N400AX

A list on [N400AX](https://openairdocs.org/aircraft/N400AX.md).

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.

Page 1 of 3 · 134 STCs

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D.md): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. · Rockwell Collins Inc
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB.md): Installation of Cockpit Voice Recorder with optional RIPS Upgrade · Mid- Canada Mod Center
- [STC ST01999WI](https://openairdocs.org/stc/ST01999WI.md): Modification to replace the lead-acid battery with a True Blue Power TB40 Nanophosphate Lithium-Ion battery. · Peregrine
- [STC ST04187NY](https://openairdocs.org/stc/ST04187NY.md): Installation of of Enode Engine Data Acquisition Unit & Ionode Digital Data Recorder · TBO Extension, LLC
- [STC ST12344IB](https://openairdocs.org/stc/ST12344IB.md): 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 ST00892LA](https://openairdocs.org/stc/ST00892LA.md): Installation of Emergency Vision Assurance System (EVAS). · VisionSafe LLC
- [STC ST11216DS](https://openairdocs.org/stc/ST11216DS.md): Installation of automatic dependent surveillance-broadcast (ADS-B) out on Part 25 aircraft · BHE & Associates Ltd.
- [STC ST03292CH](https://openairdocs.org/stc/ST03292CH.md): Activation of an 802.11 a/b/g/n WiFi System · Elliott Aviation Technical Products Development, Inc.
- [STC ST02325LA](https://openairdocs.org/stc/ST02325LA.md): Installation of Rockwell Collins Flight Management System FMC 5000 software Version 4.0 · BHE & Associates LTD
- [STC ST01881CH-D](https://openairdocs.org/stc/ST01881CH-D.md): Installation of a Goodrich Avionics Systems LANDMARK Terrain Awarenes and Warning System TAWS8000 (TAWS B) installation. · Acron Aviation Inc.
- [STC ST04740NY](https://openairdocs.org/stc/ST04740NY.md): Installation of LAI Windshields · Lee Aerospace Inc.
- [STC ST01833WI](https://openairdocs.org/stc/ST01833WI.md): Modification of a Rockwell Collins Global Positioning System (GPS) installation · Rockwell Collins Inc.
- [STC ST03424CH](https://openairdocs.org/stc/ST03424CH.md): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders · CMD Flight Solutions LLC
- [STC ST04723NY](https://openairdocs.org/stc/ST04723NY.md): Installation of LAI Windshields · Lee Aerospace Inc.
- [STC ST01070DE](https://openairdocs.org/stc/ST01070DE.md): Installation of the Curtiss-Wright Fortress Flight Data Recorder (with Cockpit Voice Recorder) · Peregrine
- [STC ST03330AT](https://openairdocs.org/stc/ST03330AT.md): Installation of Cabin Interior Light Emitting Diode (LED) Reading Lights, Wash Lights, and Air Gaspers. · Woven Electronics LLC
- [STC ST04552CH](https://openairdocs.org/stc/ST04552CH.md): Installation of replacement parts consisting of horizontal stabilizer ribs, pivot fitting, and spar attach angle in accordance with Nextant Aerospace Master Data List Document No. NT0027-MDL0-0000, Revision C, dated April 7, 2022, and FAA approved August 30, 2022, or later FAA approved revision. Instructions for Continued Airworthiness (ICA), Document No. NT0027-ICA0-0100, Revision B, dated July 21, 2022, FAA approved September 6, 2022, or later approved revision is required for this installation. · Nextant Aerospace LLC
- [STC ST10959SC](https://openairdocs.org/stc/ST10959SC.md): Installation of Rockwell Collins Pro Line 21 Electronic Flight Instrument System (EFIS) with Rockwell Collins FMS-6100 · Nextant Aerospace
- [STC ST01767WI](https://openairdocs.org/stc/ST01767WI.md): Installation of Winglets. · Textron Aviation Inc.
- [STC ST01821WI](https://openairdocs.org/stc/ST01821WI.md): Installation of Garmin G5000 Integrated Flight Deck with GFC 700 Automatic Flight Control System (AFCS) · Garmin International Inc
- [STC ST09837AC](https://openairdocs.org/stc/ST09837AC.md): Bleed Air Supply Tubes Improvement Package. · Textron Aviation Inc
- [STC ST02856CH](https://openairdocs.org/stc/ST02856CH.md): Installation of weather modification equipment for the purpose of modifying weather conditions · Fargo Jet Center LLC
- [STC ST02635LA](https://openairdocs.org/stc/ST02635LA.md): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH.md): Installation of an air ambulance conversion kit. · Med-Pac Inc.
- [STC ST01935WI](https://openairdocs.org/stc/ST01935WI.md): Installation of windshield · Lee Aerospace
- [STC ST04180NY](https://openairdocs.org/stc/ST04180NY.md): Installation of LAI CoolView Side Cockpit Windows · Lee Aerospace Inc.
- [STC ST00322SE](https://openairdocs.org/stc/ST00322SE.md): Installation of emergency medical stretcher, oxygen, and electrical systems. · LifePort LLC
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY.md): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0 · Scandinavian Avionics Design ApS
- [STC ST02538LA](https://openairdocs.org/stc/ST02538LA.md): Replacement of Pratt and Whitney JT15D-5 series engines with Williams International FJ44-4A-32 engines with Full Authority Digital Electronic Control (FADEC) and associated systems · Textron Aviation Inc
- [STC ST02883NY-D](https://openairdocs.org/stc/ST02883NY-D.md): Installation of Rockwell Collins Pro Line 21 · Textron Aviation Inc
- [STC ST00835DE](https://openairdocs.org/stc/ST00835DE.md): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor · Peregrine
- [STC ST03255CH](https://openairdocs.org/stc/ST03255CH.md): Install air ambulance conversion · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC ST11164SC](https://openairdocs.org/stc/ST11164SC.md): Upgrade existing ProLine 21 system · Textron Aviation Inc
- [STC ST04279CH](https://openairdocs.org/stc/ST04279CH.md): Installation of Exterior LED lights · Nextant Aerospace
- [STC ST11071SC](https://openairdocs.org/stc/ST11071SC.md): 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 ST00276WI](https://openairdocs.org/stc/ST00276WI.md): Installation of Kedeg Company 21BC11e Coaleser Assemly. · Purolator Facet, Inc
- [STC ST02371LA](https://openairdocs.org/stc/ST02371LA.md): Alteration of a Beechcraft Corporation 400A airplane, to replace Pratt & Whitney JT15D-5 series engines with Williams International FJ44-3AP engines (TCDS E3GL) with Full Authority Digital Engine Control (FADEC) and associated systems (Config. A) and (/or) the installation of Nextant Winglets (Config. B) · Nextant Aerospace
- [STC ST03110CH](https://openairdocs.org/stc/ST03110CH.md): Installation ofL3 Communications Digital Flight Data Recorder · Nextant Aerospace
- [STC ST03389CH](https://openairdocs.org/stc/ST03389CH.md): Installation of Honeywell KHF-950 High Frequency Communication System with Optional Avtech CSD-714 SelCal Decoder · Nextant Aerospace
- [STC ST03473CH](https://openairdocs.org/stc/ST03473CH.md): Installation of the Safe Flight AutoPower Automatic Throttle System (ATS) · Nextant Aerospace
- [STC ST03960AT](https://openairdocs.org/stc/ST03960AT.md): Installation of Rockwell Collins Venue In-Flight Entertainment(IFE), Aircell Axxess Cabin II Iridium Phone and High Speed Internet System with Wireless Local Area Network (WLAN) Astronics 115VAC 60HZ Cabin Inverter, and Emteq LED Cabin Lighting System · Nextant Aerospace
- [STC ST04214CH](https://openairdocs.org/stc/ST04214CH.md): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out transponder · Elliott Aviation Technical Products Development, Inc.
- [STC ST09775AC](https://openairdocs.org/stc/ST09775AC.md): Modification of the nose landing gear strut and the addition of pressure tubing and fittings to the nose gear for servicing of the oleo strut. · Textron Aviation Inc
- [STC ST01637WI](https://openairdocs.org/stc/ST01637WI.md): Activation of the Wireless Fidelity (WiFi) capabilities of previously installed router(s) and Aircraft Transmitting Portable Electronic Devices (T-PEDs) Tolerance Testing · 3S Certification LLC
- [STC SA2501SO](https://openairdocs.org/stc/SA2501SO.md): Installation of Whelen Flashing Anticollision Light P/N 90033. · Textron Aviation Inc
- [STC ST02619AT](https://openairdocs.org/stc/ST02619AT.md): Installation of a Battery Low Voltage Warning/Shutoff System per Master Drawing List MDL RAF01106A dtd 6/10/02 or later FAA approved revision. · Textron Aviation Inc
- [STC ST01641WI-D](https://openairdocs.org/stc/ST01641WI-D.md): Installation of Rockwell Collins, Inc. Aircraft Information Management (AIM) System · Rockwell Collins Inc
- [STC ST00344AT](https://openairdocs.org/stc/ST00344AT.md): Installation of emergency lighting system improvement modification. · Textron Aviation Inc
- [STC ST00425AT](https://openairdocs.org/stc/ST00425AT.md): Installation of a Pulse Lighting System. · Textron Aviation Inc
- [STC ST00533WI](https://openairdocs.org/stc/ST00533WI.md): Installation of Safe Flight Instrument Corporation N1 Computer System, P/N 6810-1 MOD A. · Textron Aviation Inc

Next page: https://openairdocs.org/aircraft/N400AX/stcs.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
  FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '7150010'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52197')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/aircraft/N400AX/stcs

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