# STCs that may be installed: N334MS

A list on [N334MS](https://openairdocs.org/aircraft/N334MS.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.

- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB.md): Installation of Cockpit Voice Recorder with optional RIPS Upgrade · Mid- Canada Mod Center
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA.md): 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 ST00892LA](https://openairdocs.org/stc/ST00892LA.md): Installation of Emergency Vision Assurance System (EVAS). · VisionSafe LLC
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc.
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT.md): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII · Aircraft Systems and Manufacturing Inc.
- [STC ST04159CH](https://openairdocs.org/stc/ST04159CH.md): Upgrade of Honeywell Primus II Communications Units RCZ-8XX Transponders to support Certification of Automatic Dependent Surveillance -Broadcast (ADS-B) Out · CMD Flight Solutions LLC
- [STC ST04508NY](https://openairdocs.org/stc/ST04508NY.md): Installation of ADS-B Upgrade · Scandinavian Avionics Design ApS
- [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 ST03654NY](https://openairdocs.org/stc/ST03654NY.md): Installation of Control Horn Anti-Icers · SMR Technologies Inc
- [STC ST00361BO](https://openairdocs.org/stc/ST00361BO.md): Installation of a Honeywell Primus II (XS-852) ADS-B Out System · Pro Star Aviation, LLC
- [STC ST10933SC](https://openairdocs.org/stc/ST10933SC.md): Installation of an Executive Interior and Reduction in Maximum Zero Fuel Weight form 28,814 to 28,279 pounds. · VT DRB Aviation Consultants
- [STC ST10940SC](https://openairdocs.org/stc/ST10940SC.md): Installation of an Executive Interior and Maximum Zero Fuel Weight limitation reduction from 28,814 pounds (13,070 kg) to 28,279 pounds (12,854 kg) · VT DRB Aviation Consultants
- [STC ST01181SE](https://openairdocs.org/stc/ST01181SE.md): Installation of increased security cockpit door · Cascade Aviation Services Inc
- [STC ST04169AT](https://openairdocs.org/stc/ST04169AT.md): Installation of EL/M-2022A(V) 3 Multimode Surveillance Radar System (MSRS) · TKC Aerospace, Inc.
- [STC ST03394CH](https://openairdocs.org/stc/ST03394CH.md): Installation of a cabin interior alteration · TKC Aerospace, Inc.
- [STC ST00664DE](https://openairdocs.org/stc/ST00664DE.md): Replacement of existing 33-place cabin configuration with 12 passenger executive configeratin. · Zenith Aviation Inc
- [STC ST02485LA](https://openairdocs.org/stc/ST02485LA.md): Installation of FLIR turret, KU-Band antenna, and radome · TKC Aerospace, Inc.
- [STC ST02636NY](https://openairdocs.org/stc/ST02636NY.md): Installation of Self Illuminating Floor Path Marking System · Lufthansa Technik AG
- [STC ST02132LA](https://openairdocs.org/stc/ST02132LA.md): Installation of Cabin Interior Noise Reduction Kit · Aircraft Technical Development Inc. dba Aerocon Engineering Company
- [STC ST00188BO](https://openairdocs.org/stc/ST00188BO.md): Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit. · Pratt & Whitney Engine Services Inc.
- [STC SA09496AC](https://openairdocs.org/stc/SA09496AC.md): Conversion of the lavatory water supply system from a gravity feed to a pressure system by adding a pump, a small hot water tank and control system and by replacing the single lever faucet with an infrared activated faucet with hot and cold capability in accordance with Fairchild Aircraft Drawing SATA380G0010, Water System Mod -- Hot/Cold, Revision B dated November 22, 1999, or later FAA approved revision. · AvCraft Aviation LLC
- [STC SA09839SC](https://openairdocs.org/stc/SA09839SC.md): Installation of Teledyne Telelink Data Link System. · Aircraft Systems & Mfg

## 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 = '3370601'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52164')
  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/N334MS/stcs

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