# STCs that may be installed: N99TF

A list on [N99TF](https://openairdocs.org/aircraft/N99TF.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 ST04105NY](https://openairdocs.org/stc/ST04105NY.md): Installation of Flight Data Recorder, Flight Data Acquisition Unit, Traffic Advisory Altering System and Navigation Suite · CASA Flight Tech LLC
- [STC ST00065MC](https://openairdocs.org/stc/ST00065MC.md): Installation of a Ballistic Protection System (BPS) · Erickson Incorporated
- [STC ST03558AT](https://openairdocs.org/stc/ST03558AT.md): Installation of a Collins TCAS-4000 (TCAS II) System (Version 7.0) with dual Collins TVI-920D VSI/TA/RA Indicators and associated hardware. · Woven Electronics, LLC
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc.
- [STC ST02548AK](https://openairdocs.org/stc/ST02548AK.md): Installation of Main Gear Gravel Deflectors · Aero Twin Inc
- [STC ST04200NY](https://openairdocs.org/stc/ST04200NY.md): Installation of 19 Martin Baker Aircraft Company Inc. Seat · Carson Helicopters Inc
- [STC ST02540AK](https://openairdocs.org/stc/ST02540AK.md): Fabrication and installation of Aero Twin, Inc., Rudder Gust Lock Kit No. 4111-212 · Aero Twin Inc
- [STC ST03993AT](https://openairdocs.org/stc/ST03993AT.md): Installation of a Universal Avionics EFI-890R Electronic Flight Instruments System (EFIS). · Air Data Consulting Group, Inc.
- [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 ST04157AT](https://openairdocs.org/stc/ST04157AT.md): Installation of Concorde lead acid batteries to replace nickel-cadmium (NiCd) batteries along with associated hardware · AAR Airlift Group
- [STC ST04178AT](https://openairdocs.org/stc/ST04178AT.md): Replace original equipment Nickel-Cadmium (NiCd) main and auxiliary batteries with Concorde Lead-Acid, main and auxiliary batteries along with associated hardware · Concorde Battery Corporation
- [STC ST02401AK](https://openairdocs.org/stc/ST02401AK.md): Installation of a Nose Gear Gravel Deflector · Aero Twin Inc
- [STC SA3686SW](https://openairdocs.org/stc/SA3686SW.md): Installation of floor proximity lighting system. · BF Goodrich Aerospace
- [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D.md): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions. · Rockwell Collins Inc
- [STC ST02559AK](https://openairdocs.org/stc/ST02559AK.md): Installation of Aero Twin, Inc. CASA 212 Exhaust Deflector, part number AT-CASA-EXDF-1001 · Aero Twin Inc
- [STC SA1315SO](https://openairdocs.org/stc/SA1315SO.md): Installation of refreshment center. · Aeronautical Engineers, Inc · Lists C-212 Series
- [STC ST00335NY](https://openairdocs.org/stc/ST00335NY.md): Remove existing starter-generator and install Aircraft Parts Corporation (APC) starter generator P/N · Shurka Aerospace Inc
- [STC ST03305AT](https://openairdocs.org/stc/ST03305AT.md): Installation of a SINGLE Class-A Sandel ST3400 Terrain Awareness Warning System (TAWS), pilot and co-pilot annunciator panels, and Air Data Computer (ADC). · Presidential Airways Inc
- [STC ST01394WI-D](https://openairdocs.org/stc/ST01394WI-D.md): Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation. · Rockwell Collins Inc
- [STC ST10215SC](https://openairdocs.org/stc/ST10215SC.md): Installation of Honeywell Mark VI Enhanced Ground Proximity Warning System (EGPWS) equipped with a HOneywell KMD 850 Multi-Function Display (MFD). · Bighorn Airways Inc
- [STC SA00823CH](https://openairdocs.org/stc/SA00823CH.md): Installation of various de-icer wire harnesses. · SMR Technologies
- [STC SA5603NM-D](https://openairdocs.org/stc/SA5603NM-D.md): Installation of a Fairchild A100/A100A cockpit voice recorder. · Learjet Inc
- [STC SA1670NM](https://openairdocs.org/stc/SA1670NM.md): Two (2) 400 gallon bulk liquid cargo tanks. · F. S. Air Service
- [STC SA01900AT](https://openairdocs.org/stc/SA01900AT.md): Installation of a 9 seat passenger configuration. · Gryphon Group International, Inc · Lists C-212 Series
- [STC SA971NE](https://openairdocs.org/stc/SA971NE.md): Installation of a single trimble TNL-3000 GPS/LORAN navigationsystem. · Summit Aviation, Inc · Lists C-212 Series
- [STC SA3903NM](https://openairdocs.org/stc/SA3903NM.md): Installation of pedestal covers. · American Casa Distributor Inc.
- [STC SA2371NM](https://openairdocs.org/stc/SA2371NM.md): Installation of two direct reading pressure gauges replacing two existing remote hydraulic pressure transmitters and electric pressure gauges · Flight Structures Inc.
- [STC SA2135NM](https://openairdocs.org/stc/SA2135NM.md): Class B aft baggage compartment -9G bulkhead, coat closet, baggage storage and refreshment service unit. · Flight Structures Inc · Lists C-212 Series
- [STC SA1497SO](https://openairdocs.org/stc/SA1497SO.md): Installation of direct reading hydraulic pressure gauges for the hydraulic and brake systems as alternates for the original electrical gauges. · Puerto Rico Intl Airlines
- [STC SA1844NM](https://openairdocs.org/stc/SA1844NM.md): Installation of a vapor cycle air conditioning system. · Dynamic Air Engr Inc
- [STC SA570GL](https://openairdocs.org/stc/SA570GL.md): Installation of Norton radome kit No. 4314X. · Norton Company, Performance Plactics
- [STC SA2570CE](https://openairdocs.org/stc/SA2570CE.md): Replace the original generator control units with Phoenix Aerospace, Inc., Model GC-1010-24-3B solid state generator control units. · Phoenix Aerospace Inc · Lists C-212 Series

## 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 = '2410202'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '01515')
  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/N99TF/stcs

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