# STCs that may be installed: N719HT

A list on [N719HT](https://openairdocs.org/aircraft/N719HT.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 SR02807SE](https://openairdocs.org/stc/SR02807SE.md): Installation of a Fly Away Tool box · Helicopter Transport Services LLC
- [STC SR11923SE](https://openairdocs.org/stc/SR11923SE.md): Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000 · Helicopter Transport Services LLC
- [STC SR11810SE](https://openairdocs.org/stc/SR11810SE.md): Installation of Helicopter Transport Services, LLC External Load Indicating System · Helicopter Transport Services LLC
- [STC SR02777SE](https://openairdocs.org/stc/SR02777SE.md): Installation of a Load Beam · Helicopter Transport Services LLC
- [STC SR02754SE](https://openairdocs.org/stc/SR02754SE.md): Installation of External Cargo Container · Helicopter Transport Services, LLC
- [STC SR02717SE](https://openairdocs.org/stc/SR02717SE.md): Installation of Helicopter Transport Services Remote Fuel Sump System · Helicopter Transport Services LLC
- [STC SR09913AC](https://openairdocs.org/stc/SR09913AC.md): Installation of Composite Main Rotor Blade · Helicopter Transport Services LLC
- [STC SR02684SE](https://openairdocs.org/stc/SR02684SE.md): Installation of Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump · Helicopter Transport Services LLC
- [STC SR02671SE](https://openairdocs.org/stc/SR02671SE.md): Installation of HTS Attachable Service Pod · Helicopter Transport Services LLC
- [STC SR00004SE](https://openairdocs.org/stc/SR00004SE.md): Fabrication and installation of Erickson fire fighting system · Erickson Air Crane Inc. dba Erickson Air-Crane
- [STC SR00815SE](https://openairdocs.org/stc/SR00815SE.md): Fabrication and installation of Erickson Model Sea Snorkel system · Erickson Air Crane Inc. dba Erickson Air-Crane
- [STC SR01209SE](https://openairdocs.org/stc/SR01209SE.md): Installation of Replacement Electric Starter for Auxiliary Power Unit · Helicopter Transport Services LLC
- [STC SR01241SE](https://openairdocs.org/stc/SR01241SE.md): Installation of Concorde RG-390E Lead Acid Battery · Helicopter Transport Services LLC
- [STC SR02503SE](https://openairdocs.org/stc/SR02503SE.md): Installation of Additional Telemetry Unit (ATU) · Helicopter Transport Services LLC
- [STC SR00928SE](https://openairdocs.org/stc/SR00928SE.md): Fabrication of Kawak Aviation Technologies, Inc. Model YB02854 Auxiliary Hydraulic System · Helicopter Transport Services LLC
- [STC SR02055SE](https://openairdocs.org/stc/SR02055SE.md): Replacement tail rotor blades, Part Numbers 65161-00001-041MII and/or 65161-00001-043MII · Helicopter Transport Services LLC
- [STC SH5653NM](https://openairdocs.org/stc/SH5653NM.md): Re-mounting of the turbine engines and reinforcement of the associated fuselage support structure with Erickson detuned engine mounting system (DEMS). · Erickson Incorporaated/dba Erickson Air-Crane
- [STC SR01084SE](https://openairdocs.org/stc/SR01084SE.md): Fabrication and installation of HTS-OCB-001 Electric Oil Blower Assembly · Helicopter Transport Services LLC
- [STC SR01268SE](https://openairdocs.org/stc/SR01268SE.md): Fabrication and installation of the Single Point Fixed Pendant. · Helicopter Transport Services LLC
- [STC SR01279SE](https://openairdocs.org/stc/SR01279SE.md): Installation of the Aero-Craft Utility Hydraulic Pump, Part Number (P/N) AP6VSPL · Helicopter Transport Services LLC
- [STC SR01376SE](https://openairdocs.org/stc/SR01376SE.md): Fabrication and installation of Helicopter transport Services, LLC offset pilot seat, offset collective control, and bubble door · Helicopter Transport Services LLC
- [STC SR01571SE](https://openairdocs.org/stc/SR01571SE.md): Fabrication and installation of Helicopter Transport Services, Inc. (HTSI) Automatic Flight Control System (AFCS) · Helicopter Transport Services LLC
- [STC SR01741SE](https://openairdocs.org/stc/SR01741SE.md): Installation of an upgraded Fuel Quantity Indicating System. · Helicopter Transport Services LLC
- [STC SR01839SE](https://openairdocs.org/stc/SR01839SE.md): Remove the components from the hydraulic sled at Station 380 and install on the sled at Station 435.5, and remove the sled at Station 380, · Helicopter Transport Services LLC
- [STC SR02036SE](https://openairdocs.org/stc/SR02036SE.md): Modification of main rotor blade part number 6415-20601-041, -042, and -043 · Helicopter Transport Services LLC
- [STC SR02224SE](https://openairdocs.org/stc/SR02224SE.md): Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP · Helicopter Transport Services LLC
- [STC SR01618SE](https://openairdocs.org/stc/SR01618SE.md): Fabrication and Installation of Kawak Aviation Technologies Model 36100 Sea Snorkel · Helicopter Transport Services LLC
- [STC SR00931SE](https://openairdocs.org/stc/SR00931SE.md): Fabrication of Simplex Model 314 Fire Attack System · Simplex Manufacturing Company
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM.md): Installation of Electronics Int'l digital automatic engine analyzer. · Electronics International

## 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 = '8142505'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52047')
  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/N719HT/stcs

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