# STCs that may be installed: N274TH

A list on [N274TH](https://openairdocs.org/aircraft/N274TH.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 SR02753LA](https://openairdocs.org/stc/SR02753LA.md): Installation of an engine Inlet Barrier Filter (IBF) · Aerometals Inc.
- [STC SR02597SE](https://openairdocs.org/stc/SR02597SE.md): Installation of Purge Fuel Collector System · Timberline Aerospace LLC
- [STC SR02650SE](https://openairdocs.org/stc/SR02650SE.md): Installation of Station 34.5 Beam Modification · Timberline Aerospace LLC
- [STC SR12058AK](https://openairdocs.org/stc/SR12058AK.md): Installation of Recoil Aerospace, Inc. T750-I Internal Fire Suppression Tank · Recoil Aerospace Inc.
- [STC SR12471AT](https://openairdocs.org/stc/SR12471AT.md): Installation of RMCI Health Useage and Monitoring System (HUMS) · RMCI Inc.
- [STC SR00903DE](https://openairdocs.org/stc/SR00903DE.md): Installation of Left and Right, Hand Hold, Step and Step Fairing modification · Blackhawk Mission Equipment
- [STC SR12380LA](https://openairdocs.org/stc/SR12380LA.md): Installation of Aerocraft's External Load Mount Kit (ARC-H60ELM) · Aerocraft Incorporated
- [STC SR01099DE](https://openairdocs.org/stc/SR01099DE.md): Installation of the GPMS Foresight MX Condition Monitoring System · GPMS International Inc.
- [STC SR04461CH](https://openairdocs.org/stc/SR04461CH.md): Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System · Helitak USA, LLC
- [STC SR04527AT](https://openairdocs.org/stc/SR04527AT.md): Installation of Robertson Fuel System 200 Gallon Internal Auxilliary Fuel Tank System (IAFTS · Ace Aeronautics, LLC
- [STC SR02794LA](https://openairdocs.org/stc/SR02794LA.md): Installation of Ballast Box · Aerocraft Incorporated
- [STC SR02767LA](https://openairdocs.org/stc/SR02767LA.md): Installation of H-60 Electric APU Starter Modification to replace the original equipment hydraulic APU starter system on Restricted Category H-60 Firefighting and Utility Helicopters · Aerocraft Inc.
- [STC SR02764LA](https://openairdocs.org/stc/SR02764LA.md): Installation of lift kit · Aerocraft Incorporated
- [STC SR02544LA](https://openairdocs.org/stc/SR02544LA.md): Installation of a left side bubble window and a modified left side main landing gear fairing · Aerocraft Incorporated
- [STC SR02744SE](https://openairdocs.org/stc/SR02744SE.md): Installation of BLR FastFin System · BLR Aerosapce LLC
- [STC SR00919DE](https://openairdocs.org/stc/SR00919DE.md): Installation of Left and Right Pulse Light · Blackhawk Mission Equipment
- [STC SR02584AK](https://openairdocs.org/stc/SR02584AK.md): Installation of Recoil Aerospace, Inc. T1000-E or T650-E Fire Suppression Tank · Recoil Aerospace Inc.
- [STC SR11809SE](https://openairdocs.org/stc/SR11809SE.md): Installation of pilot and Co-Pilot Restraint Systems · Timberline Aerospace
- [STC SR04618CH](https://openairdocs.org/stc/SR04618CH.md): Installation of Luma Technologies LT-4082 and LT-4106 series 82 and 106 Station Integration LED Display Panels with LT-2205 and LT-2206 series 5 and 6 Station LED Display/Reset Panels · Luma Technologies LLC
- [STC SR00848DE](https://openairdocs.org/stc/SR00848DE.md): The installation of a bubble window as a direct replacement for the existing window in the left hand side Cockpit door · Blackhawk Mission Equipment
- [STC SR00922DE](https://openairdocs.org/stc/SR00922DE.md): Relocation and installation of Lead-Acid batteries, P/N RG24-15, in replacement of aircraft main batteries · Blackhawk Mission Equipment
- [STC SR00933DE](https://openairdocs.org/stc/SR00933DE.md): Installation of internal firefighting water tank and snorkel · Blackhawk Mission Equipment
- [STC SR02698SE](https://openairdocs.org/stc/SR02698SE.md): Installation of Onboard Systems International Cargo Hook Kits · Onboard Systems International
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM.md): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, · Precise Flight Inc
- [STC SR02743SE](https://openairdocs.org/stc/SR02743SE.md): Installation of folding crew step and modification of fairing · Timberline Aerospace LLC
- [STC SR02760LA](https://openairdocs.org/stc/SR02760LA.md): Installation of Aerocraft Incorporated H-60 Blackhawk Helicopter Cargo Basket · Aerocraft Inc
- [STC SR02657SE](https://openairdocs.org/stc/SR02657SE.md): Installation of Model 370i Fire Attack System · Simplex Manufacturing Company
- [STC SR02617SE](https://openairdocs.org/stc/SR02617SE.md): Installation of a Mechanical Specialties Model 909 Cargo Hook · Mechanical Specialties Inc
- [STC ST02650SE](https://openairdocs.org/stc/ST02650SE.md): Installation of Station 34.5 Beam Modification · Timberline Aerospace LLC
- [STC SR02487SE](https://openairdocs.org/stc/SR02487SE.md): Installation of a Honeywell ASPIRE 200 SATCOM system · Honeywell International Inc
- [STC SR00896DE](https://openairdocs.org/stc/SR00896DE.md): The installation of a bubble window with view port as a direct replacement for the existing window in the left hand side Cockpit door · Blackhawk Mission Equipment

## 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 = '8780001'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '30155')
  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/N274TH/stcs

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