# STCs that may be installed: N685SL

A list on [N685SL](https://openairdocs.org/aircraft/N685SL.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 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 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 ST01115DE](https://openairdocs.org/stc/ST01115DE.md): Installation of an Gogo ATG C1 · Gogo Business Aviation, 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 ST01117DE](https://openairdocs.org/stc/ST01117DE.md): Installation of the Gogo ATG C1. · Peregrine
- [STC ST04655CH](https://openairdocs.org/stc/ST04655CH.md): Installation of CPDLC/FANS 1/A+ Datalink and SATVOICE Long Range Communication System · Chicago Jet Group
- [STC ST01035DE](https://openairdocs.org/stc/ST01035DE.md): Installation of replacement aft bay Heat Exchanger Blower Fans · Peregrine
- [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 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 ST10598SC-D](https://openairdocs.org/stc/ST10598SC-D.md): Installation of a Flight Camera System · Textron Aviation Inc
- [STC ST10922SC-D](https://openairdocs.org/stc/ST10922SC-D.md): Installation of Cabin Interior Furnishings and Systems · Textron Aviation Inc
- [STC ST09785AC](https://openairdocs.org/stc/ST09785AC.md): Installation of a Gogo Business Aviation Air to Ground (ATG) high speed two-way data passenger communication system · Liberty Partners Inc
- [STC ST10601SC-D](https://openairdocs.org/stc/ST10601SC-D.md): Installation of a Cabin Management System Upgrade to a TC Interior in accordance with STC Master Document List (MDL) No. 240-2004 Revision 1 dated September 30, 2011, or later FAA approved revision. Use of FAA approved Airplane Flight Manual Supplement No. 240-590001-0011 Revision 1, dated August 26, 2011, or later FAA approved revision is required and must be made available to the operator at the time of installation. · Textron Aviation Inc
- [STC ST03776NY](https://openairdocs.org/stc/ST03776NY.md): 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 ST10922SC](https://openairdocs.org/stc/ST10922SC.md): Installation of Cabin Interior Furnishings and Systems · Hawker Beechcraft Corporation
- [STC ST02146NY](https://openairdocs.org/stc/ST02146NY.md): Installation of EMS Technologies Ltd. Cabin Network Xcelerator (CNX). · EMS Technologies Canada Ltd

## 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 = '4220016'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52187')
  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/N685SL/stcs

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