# STCs that may be installed: N993ST

A list on [N993ST](https://openairdocs.org/aircraft/N993ST.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 2 · 58 STCs

- [STC SR12441MC](https://openairdocs.org/stc/SR12441MC.md): Installation of exterior NVIS compatible formation lights · Leonardo Helicopters US Corporation
- [STC SR02520AK](https://openairdocs.org/stc/SR02520AK.md): Installation of Avionics and auxiliary generator (Configurations A1, A2, A3, E1, D1, X) for certification of Single Pilot Instrument Flight Rules (SPIFR) Operations · Leonardo Helicopters US Corporation
- [STC SR03280NY](https://openairdocs.org/stc/SR03280NY.md): Installation of a Garmin G1000H PFD/MFD Display System · Leonardo Helicopters US Corporation
- [STC SR04231NY](https://openairdocs.org/stc/SR04231NY.md): Installation of the Utility Installations, ID No. AWPC-ENG-17-037-A1 through AWPC-ENG-17-037-A27 · Leonardo Helicopters US Corporation
- [STC SR04601NY](https://openairdocs.org/stc/SR04601NY.md): Installation of a crash resistant fuel system (CRFS) and optional closed circuit refueling receiver (CCRR) · Leonardo Helicopters US Corporation
- [STC SR04464NY](https://openairdocs.org/stc/SR04464NY.md): Installation of the iPad Mount · Avio Design Group Inc.
- [STC SR04842NY](https://openairdocs.org/stc/SR04842NY.md): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS) · Sterling Helicopter
- [STC SR00824DE](https://openairdocs.org/stc/SR00824DE.md): Installation of an Emergency Medical Services Interior and alternate cabin seating interior configurations · AMS Heli Design
- [STC SR03201CH](https://openairdocs.org/stc/SR03201CH.md): Installation of Heli-Preheat System, P/N 2862-1 for 115 volt application · Hartzell Propeller LLC
- [STC SR04838NY](https://openairdocs.org/stc/SR04838NY.md): Installation of optional recording system under Configuration A1, which consists of L3Harris Modular Airborne Data recording/Acquisition Systems (MADRAS) Cockpit Voice and Data Recorder (CVDR) system · AgustaWestland Philadelphia Corporation (AWPC)
- [STC SR02454LA](https://openairdocs.org/stc/SR02454LA.md): Installation of Essex Cryogenics LOX System · M7 Aerospace LLC
- [STC SR04557AT](https://openairdocs.org/stc/SR04557AT.md): Cabin and crew floor protector installations · Helifab East LLC
- [STC SR01392LA](https://openairdocs.org/stc/SR01392LA.md): Installation of Apical Industries, Inc. Emergency Float Kits · Dart Aerospace ULC
- [STC SR00463DE](https://openairdocs.org/stc/SR00463DE.md): Installation of Cabin Air Conditioning System. · Air Comm Corporation
- [STC SR04007AT](https://openairdocs.org/stc/SR04007AT.md): Replace original equipment Nickel-Cadmium (NiCd) or Concorde Lead-Acid main battery with higher capacity Concorde Lead-Acid, main battery on Agusta A119 and AW119 MKII rotorcraft and associated hardware · Concorde Battery Corporation
- [STC SR04601 NY](https://openairdocs.org/stc/SR04601%20NY.md): Installation of a crash resistant fuel system (CRFS) · AgustaWestland Philadelphia Corporation
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC
- [STC SR01476SE](https://openairdocs.org/stc/SR01476SE.md): Installation of a Supplemental Lighting System. · Aviation Specialties Unlimited Inc.
- [STC SR00949SE](https://openairdocs.org/stc/SR00949SE.md): Fabrication of Dart D119-647-011 Bearpaws · Dart Aerospace USA 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 SR04441NY](https://openairdocs.org/stc/SR04441NY.md): Installation of Night Vision Goggle (NVG) Compatible Lighting System, Configuration A · AgustaWestland Philadelphia Corporation
- [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 SR00814DE](https://openairdocs.org/stc/SR00814DE.md): Installation of Garmin Helicopter Terrain Awareness and Warning System (HTAWS) · Cert Works LLC
- [STC SR02894CH](https://openairdocs.org/stc/SR02894CH.md): Install EMS ITS Deck with the Factory EMS Interior · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR00948SE](https://openairdocs.org/stc/SR00948SE.md): Fabrication of Dart D119-675-011 and -012 Heli-Access-Steps · Dart Aerospace USA Inc.
- [STC SR01043SE](https://openairdocs.org/stc/SR01043SE.md): Fabrication of Dart D119-696-011/013 cargo mirrors and installation of system. · Dart Aerospace USA Inc.
- [STC SR02024SE](https://openairdocs.org/stc/SR02024SE.md): Fabrication of DART D119-646 Replacement Skidtube Installation · Dart Aerospace USA Inc.
- [STC SR02258SE](https://openairdocs.org/stc/SR02258SE.md): Installation of a tail rotor pedal lockout kit · Dart Aerospace USA Inc.
- [STC SR04230NY](https://openairdocs.org/stc/SR04230NY.md): Installation of a TRAKKA A800 Searchlight · AgustaWestland Philadelphia Corporation
- [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 SR00860DE](https://openairdocs.org/stc/SR00860DE.md): Installation of Teledyne Battery Products Valve-Regulated Lead-Acid · Teledyne Battery Products
- [STC SR03055CH](https://openairdocs.org/stc/SR03055CH.md): Installation of Flight Data Monitoring System · MSP Aero LLC
- [STC SR02789NY](https://openairdocs.org/stc/SR02789NY.md): Installation of a Border Guard Configuration · AgustaWestland Philadelphia Corporation
- [STC SR00812DE](https://openairdocs.org/stc/SR00812DE.md): Installation of Honeywell Sky Connect Tracker III system · Cert Works LLC
- [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 SR01651NY](https://openairdocs.org/stc/SR01651NY.md): The installation of a Super Night Searchlight · AgustaWestland Philadelphia Corporation
- [STC SR02428NY](https://openairdocs.org/stc/SR02428NY.md): The installation of High Visibility Crew Doors · AgustaWestland Philadelphia Corporation
- [STC SR03504NY](https://openairdocs.org/stc/SR03504NY.md): Installation of Crosstube · Dart Aerospace Limited
- [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 SR03478NY](https://openairdocs.org/stc/SR03478NY.md): Modification of EMS interior to allow primary litter to be installed diagonally across the cabin · AgustaWestland Philadelphia Corporation
- [STC SR02425LA](https://openairdocs.org/stc/SR02425LA.md): Installation of Apical Industries, Inc. Cable Cutters Kit · Apical Industries, Inc. dba Dart Aerospace
- [STC SH4676SW](https://openairdocs.org/stc/SH4676SW.md): Installation of Tail Rotor Floodlights on the upper surface of the horizontal stabilizer · DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SR02265NY](https://openairdocs.org/stc/SR02265NY.md): Installation of Pedal Extensions. · AgustaWestland Philadelphia Corporation
- [STC SR02135NY](https://openairdocs.org/stc/SR02135NY.md): Helicopter configured with pilot and crew doors removed. · AgustaWestland Philadelphia Corporation
- [STC SR02239NY](https://openairdocs.org/stc/SR02239NY.md): The installation of a Spectrolab SX-16 Searchlight · AgustaWestland Philadelphia Corporation
- [STC SR09360RC](https://openairdocs.org/stc/SR09360RC.md): Installation of Concorde Battery Model RG-407, Valve regulated sealed lead acid battery. · Concorde Battery Corporation
- [STC SR03027NY](https://openairdocs.org/stc/SR03027NY.md): Installation of an External ITT and Torque Indicating System · Aero-Dyne Repair Services Ltd.
- [STC SR02139SE](https://openairdocs.org/stc/SR02139SE.md): Fabrication of Onboard Systems Model 200-355-00 and 200-369-00 Cargo Hook Fixed Provision Kits, Model 200-356-00 Cargo Hook Suspension Kit, and Model 200-357-00 Load Weigh Kit, in accordance with FAA Approved Onboard Systems Master Drawing List No. 155-160-00, Revision 2, dated September 27, 2011, or later FAA approved revision. Installation of the Onboard Systems Model 200-355-00, 200-356-00, 200-357-00, or 200-369-00 kits in accordance with FAA approved Onboard Systems Owners Manual 120-141-00, Revision 0, dated April 25, 2011, or later FAA approved revision. This modification must be inspected and maintained in accordance with section ATA 5 of FAA approved Onboard Systems Instructions for Continued Airworthiness Document 123-036-00, Revision 0, dated May 5, 2011, or later FAA approved revision, and Onboard Systems Cargo Hook · Onboard Systems International

Next page: https://openairdocs.org/aircraft/N993ST/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 = '0260401'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52179')
  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/N993ST/stcs

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