# STCs that may be installed: Martin 404

A list on [Martin 404](https://openairdocs.org/model/martin-404.md).

In force first, then newest. The registry doesn’t record which STCs an aircraft has.

Page 1 of 2 · 57 STCs

- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI.md): Use of GAMI G100UL High Octane Unleaded Avgas · General Aviation Modifications Inc.
- [STC SA3-402](https://openairdocs.org/stc/SA3-402.md): Floor modification, swivel seat installation and divan seat belt installation · Sabreliner Aviation LLC
- [STC SA3-403](https://openairdocs.org/stc/SA3-403.md): Installation of Bendix RDR-1 weather radar system, radome and relocation of airspeed pitot. · Sabreliner Aviation LLC
- [STC SA3-404](https://openairdocs.org/stc/SA3-404.md): Installation of Sperry SP20 autopilot. · Sabreliner Aviation LLC
- [STC SA3-405](https://openairdocs.org/stc/SA3-405.md): Installation of APU. · Sabreliner Aviation LLC
- [STC SA3-418](https://openairdocs.org/stc/SA3-418.md): Installation of cockpit and general cabin arrangement and furnishings. · Sabreliner Aviation LLC
- [STC SA107CE](https://openairdocs.org/stc/SA107CE.md): Installation of Hoskins Supplemental Model A high intensity wing tip lights, model C or K tail lights, with or without models 1 or 2 high intensity fuselage lights. · BF Goodrich Aerospace
- [STC SA2557NM](https://openairdocs.org/stc/SA2557NM.md): Installation of KS Avionics EGT/CHT-2() combined exhaust gas and cylinder head temperature monitoring system. · K S Avionics Inc
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW.md): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER) · Razorback Fabrics Inc
- [STC SA00228NY](https://openairdocs.org/stc/SA00228NY.md): Installation of Sky Harbour Aircraft Refinishing Ltd Ice Damage Prevention Plates. · Sky Harbour Aircraft Refinishing
- [STC SA157NE](https://openairdocs.org/stc/SA157NE.md): Installation of Graphic Engine Monitor System Model GEM-602 S/N 403 and GEM-603 S/N001126and subsequent. · Insight Instrument Corp
- [STC SA2-952](https://openairdocs.org/stc/SA2-952.md): Installation of fiberglass covering. · Razorback Fabrics Inc
- [STC SA4-953](https://openairdocs.org/stc/SA4-953.md): Outer wings modified for installation of integral type fuel tanks. · Rogerson ATS
- [STC SA3554NM](https://openairdocs.org/stc/SA3554NM.md): Replace passenger interior with class E cargo interior. · Monarch Aircraft Inc
- [STC SA1122WE](https://openairdocs.org/stc/SA1122WE.md): Installation of wing flap actuated landing gear aural warning system. · Northwest Airlines, Inc.
- [STC SA1428WE](https://openairdocs.org/stc/SA1428WE.md): Installation of cargo interior. · Northwest Airlines, Inc.
- [STC SA4-1042](https://openairdocs.org/stc/SA4-1042.md): Passenger seating capacity increased to 44. · Northwest Airlines Inc.
- [STC SA4-525](https://openairdocs.org/stc/SA4-525.md): Installation of VIP P/N 106-1J engine mount core. · Vibration Isolation Products Corp
- [STC SA1418SO](https://openairdocs.org/stc/SA1418SO.md): Replacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations) · Aircraft Products Supply Co Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE.md): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12) · Ceconite Inc
- [STC SA1352SO](https://openairdocs.org/stc/SA1352SO.md): Installation of combination lap belt and shoulder harness for existing aft facing flight attendant seat. · PBA, Inc
- [STC SA4-1210](https://openairdocs.org/stc/SA4-1210.md): Installation of Eonnex cover on aircraft surfaces. · Ceconite, Inc
- [STC SA4142WE](https://openairdocs.org/stc/SA4142WE.md): Removal of rear air stair door. No installation data required. · Art Scholl Aviation
- [STC SA328SO](https://openairdocs.org/stc/SA328SO.md): Repair of corrosion damaged wing spar scarf splices. · Marco Island Airways Inc
- [STC SA1744WE](https://openairdocs.org/stc/SA1744WE.md): Installation of oil filter assemblies. · Nelson Filter
- [STC SA322SO](https://openairdocs.org/stc/SA322SO.md): (1) Installation of 44-seat interior, (2) rearrange44-seat interior. Aircraft may be modified under either option. Approval of option 2 requires implementation of option 1. · Piedmont Aviation Inc
- [STC SA258SO](https://openairdocs.org/stc/SA258SO.md): Immersion heaters in oil tanks 404-2055010 for ground operation only. · Piedmont Aviation Inc
- [STC SA259SO](https://openairdocs.org/stc/SA259SO.md): BMEP bleed system for R-2800CB-3 engines. · Piedmont Aviation Inc
- [STC SA260SO](https://openairdocs.org/stc/SA260SO.md): Swivel seat intercostals at Station 616. · Piedmont Aviation Inc
- [STC SA261SO](https://openairdocs.org/stc/SA261SO.md): Direct pressure actuated manifold pressure gage system. · Piedmont Aviation Inc
- [STC SA268SO](https://openairdocs.org/stc/SA268SO.md): Manufacture replacement parts for Adel ADZ24278. · Piedmont Aviation Inc
- [STC SA276SO](https://openairdocs.org/stc/SA276SO.md): J & H G-29-7BT generators. · Piedmont Aviation Inc
- [STC SA325SO](https://openairdocs.org/stc/SA325SO.md): Interior changes in passenger and jump seats. · Southern Airways Inc
- [STC SA329SO](https://openairdocs.org/stc/SA329SO.md): Replacement of cockpit door lock. · Piedmont Aviation Inc
- [STC SA349SO](https://openairdocs.org/stc/SA349SO.md): Hydraulic regulator change. · Southern Airways Inc
- [STC SA355SO](https://openairdocs.org/stc/SA355SO.md): Whittaker 2L333021 NLG hydraulic pressure reducer valve replaced with Hydraulics Research42028180-001 valve. · Southern Airways Inc
- [STC SA375WE](https://openairdocs.org/stc/SA375WE.md): Ceconite 101 covering of rudder. · Cooper Engineering Corporation
- [STC SA392SO](https://openairdocs.org/stc/SA392SO.md): Install Goodyear 9543138 wheels in place of Goodyear 9540512. · Piedmont Aviation Inc
- [STC SA395EA](https://openairdocs.org/stc/SA395EA.md): Rear wing spar flange repaired. · Piedmont Aviation Inc
- [STC SA4-1124](https://openairdocs.org/stc/SA4-1124.md): Taran II demonstration weather radar system. · Hughes Aircraft Company
- [STC SA4-1220](https://openairdocs.org/stc/SA4-1220.md): Sperry A-12 autopilot system. · Tempo Design Corp
- [STC SA4-1221](https://openairdocs.org/stc/SA4-1221.md): Radome and radar antenna. · Tempo Design Corp
- [STC SA4-1229](https://openairdocs.org/stc/SA4-1229.md): Two 15KS-1000-A1 aircraft rocket engines. · Aerojet-General Corporation
- [STC SA4-153](https://openairdocs.org/stc/SA4-153.md): Oil filter 30816A with CP-1438-0 element. · Winslow Aerofilter Corp
- [STC SA4-1615](https://openairdocs.org/stc/SA4-1615.md): Interior modification. · AiResearch Aivation Service Co
- [STC SA4-501](https://openairdocs.org/stc/SA4-501.md): Engine mount core assemblies. · Dow-Elco Inc
- [STC SA4-568](https://openairdocs.org/stc/SA4-568.md): Engine mount core assemblies DE1468. · Dow-Elco Inc
- [STC SA4-949](https://openairdocs.org/stc/SA4-949.md): Auxiliary power plant. · Jay- Dee Aircraft Supply Co
- [STC SA4-950](https://openairdocs.org/stc/SA4-950.md): Sperry A-12 autopilot. · Jay- Dee Aircraft Supply Co
- [STC SA4-951](https://openairdocs.org/stc/SA4-951.md): Furniture. · Jay- Dee Aircraft Supply Co

Next page: https://openairdocs.org/model/martin-404/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 s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(matched_model) AS matched_model
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
  WHERE aircraft_model_code IN ('5450702')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/model/martin-404/stcs

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