# STCs that may be installed: N261HC

A list on [N261HC](https://openairdocs.org/aircraft/N261HC.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 SR03005NY](https://openairdocs.org/stc/SR03005NY.md): Installation of Night Vision Goggle (NVG) Compatible Lighting System for NVG Operation · Leonardo Helicopters US Corporation
- [STC SR04842NY](https://openairdocs.org/stc/SR04842NY.md): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS) · Sterling Helicopter
- [STC SR04195CH](https://openairdocs.org/stc/SR04195CH.md): Installation of Heli-Preheat Kit, P/N TA3134-1 for 115-volt application · Hartzell Propeller LLC
- [STC SR04557AT](https://openairdocs.org/stc/SR04557AT.md): Cabin and crew floor protector installations · Helifab East LLC
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC
- [STC SR09917AC](https://openairdocs.org/stc/SR09917AC.md): Installation of an Advanced Life Support System (ALSS) airborne EMS air ambulance interior · AMS Heli Design LLC
- [STC SR01476SE](https://openairdocs.org/stc/SR01476SE.md): Installation of a Supplemental Lighting System. · Aviation Specialties Unlimited Inc.
- [STC SR04453CH](https://openairdocs.org/stc/SR04453CH.md): Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder · Appareo Systems LLC
- [STC SR02124SE](https://openairdocs.org/stc/SR02124SE.md): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality; · Garmin International Inc
- [STC SR04390CH](https://openairdocs.org/stc/SR04390CH.md): Installation of an Electronic Flight Instrument System (EFIS) in accordance with StandardAero Master Data List 1036284, Revision (B), dated June 5, 2019 or later FAA approved revision. · StandardAero Business Aviation Services LLC
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies
- [STC SR01812LA](https://openairdocs.org/stc/SR01812LA.md): Installation of Apical Industries, Inc. Emergency Float Kit. · Apical Industries Inc. dba Dart Aerospace
- [STC SR02974CH](https://openairdocs.org/stc/SR02974CH.md): Install air ambulance conversion · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02977CH](https://openairdocs.org/stc/SR02977CH.md): Install of a medical floor liner · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02978CH](https://openairdocs.org/stc/SR02978CH.md): Install of Shore Power Mechanical Provisions · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02980CH](https://openairdocs.org/stc/SR02980CH.md): Install of an interior panel system · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02981CH](https://openairdocs.org/stc/SR02981CH.md): Installation of a medical attendant seat, fire extinguisher, utility track, and cylinder mount · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR02982CH](https://openairdocs.org/stc/SR02982CH.md): Installation of equipment rails and mounts · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR00935DE](https://openairdocs.org/stc/SR00935DE.md): Installation of Garmin GDL 84H ADS-B system · RSG Aviation Inc
- [STC SR02258SE](https://openairdocs.org/stc/SR02258SE.md): Installation of a tail rotor pedal lockout kit · Dart Aerospace USA Inc.
- [STC SR02377AK](https://openairdocs.org/stc/SR02377AK.md): Installation of a fixed mounted Max-Viz Enhanced Vision System (EVS) Model 1500 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, Detached Electrical Box (DEB) and a glareshield-mounted, dedicated display monitor. · Avio Design Group Inc
- [STC SR03055CH](https://openairdocs.org/stc/SR03055CH.md): Installation of Flight Data Monitoring System · MSP Aero LLC
- [STC SR02988CH](https://openairdocs.org/stc/SR02988CH.md): Installation of Inlet Barrier Filter system in accordance with Aerospace Filtration Systems, Inc. Drawing 124001-010, Revision C, dated May 26, 2011, or later FAA approved revision. · Donaldson Company Inc.
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC
- [STC SR03320NY](https://openairdocs.org/stc/SR03320NY.md): Installation of EMS Equipment · Aerolite AG
- [STC ST03452NY](https://openairdocs.org/stc/ST03452NY.md): Installation of EMS Equipment P/N 109-0008662-501 in the Cabin · Aerolite AG
- [STC SR03096NY](https://openairdocs.org/stc/SR03096NY.md): Installation of an Aeronautical Accessories Super Night Scanner Searchlight · AgustaWestland Philadelphia Corporation
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC
- [STC SR03126NY](https://openairdocs.org/stc/SR03126NY.md): Installation of a Relay Box and Control Panel for ICS VIP Application · Northern Avionics S.R.L.
- [STC SR03128NY](https://openairdocs.org/stc/SR03128NY.md): Installation of an In-Flight Entertainment System · Northern Avionics S.R.L.
- [STC SR03093NY](https://openairdocs.org/stc/SR03093NY.md): Installation of a Helicopter Emergency Egress Light System · Northern Avionics S.R.L.
- [STC SH3811NM](https://openairdocs.org/stc/SH3811NM.md): Install a combination attendant seat and patient litter kit assembly. · Aero Credit Company 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 = '0260113'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52203')
  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/N261HC/stcs

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