# STCs that may be installed: N104MD

A list on [N104MD](https://openairdocs.org/aircraft/N104MD.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 ST00342BO](https://openairdocs.org/stc/ST00342BO.md): Installation of an NVIS / NVG Compatible Lighting System · ATI Engineering Services LLC
- [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 ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc.
- [STC ST01887WI](https://openairdocs.org/stc/ST01887WI.md): Installation of non-essential radome and component provisions, antennas, associated wiring and mounting provisions, and associated non-essential mission system components. · Sierra Nevada Corporation/Integrated Mission Systems
- [STC ST01888WI](https://openairdocs.org/stc/ST01888WI.md): Installation of non-essential mission equipment configurable pallet assemblies. · Sierra Nevada Corporation-Integrated Mission Systems
- [STC ST01889WI](https://openairdocs.org/stc/ST01889WI.md): Installation of a non-essential mission power and distribution system. · Sierra Nevada Corporation/Integrated Mission Systems
- [STC ST01890WI](https://openairdocs.org/stc/ST01890WI.md): Installation of an EO/IR sensor and lift system in the left sponson. · Sierra Nevada Corporation-Integrated Mission Systems
- [STC ST01891WI](https://openairdocs.org/stc/ST01891WI.md): Installation of an optional nose extension · Sierra Nevada Corporation-Integrated Mission Systems
- [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 ST04211AT](https://openairdocs.org/stc/ST04211AT.md): Replace original equipment Nickel-Cadmium (NiCd) main batteries with Concorde Lead-Acid, main batteries along with associated hardware · Concorde Battery Corporation
- [STC ST00266BO](https://openairdocs.org/stc/ST00266BO.md): Installation of a BAE Systems AN/AAR-57 Missile Warning System with an AN/ALE-47 Threat Adaptive Countermeasures Dispensing System · BAE Systems Information and Electronic Systems Integration Inc.
- [STC ST01635WI-D](https://openairdocs.org/stc/ST01635WI-D.md): Modification of Rockwell Collins, Inc. VHF-4000 and VHF-4000E installations · Rockwell Collins Inc
- [STC ST00234BO](https://openairdocs.org/stc/ST00234BO.md): Installation of a modified exhaust. · BAE SYSTEMS Information and Electronic Systems Integration Inc.
- [STC ST02887CH-D](https://openairdocs.org/stc/ST02887CH-D.md): Installation of Universal Avionics Systems Corporation (UASC) EFI-890r Electronic Flight Display System · Duncan Aviation Inc
- [STC ST02887CH](https://openairdocs.org/stc/ST02887CH.md): Installation of Universal Avionics Systems Corporation (UASC) EFI-890r Electronic Flight Display System · Duncan Aviation Inc
- [STC ST03537AT](https://openairdocs.org/stc/ST03537AT.md): Installation of a Single Class-A Sandel ST3400 Terrain Awareness Warning System with Remote Magnetic Indicator Function on copilot upper left instrument panel. · Presidential Airways Inc.
- [STC ST01142WI-D](https://openairdocs.org/stc/ST01142WI-D.md): Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head. · Rockwell Collins Inc

## 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 = '2410307'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '30031')
  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/N104MD/stcs

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