# STCs approved under this data sheet: TCDS 6A4

A list on [TCDS 6A4](https://openairdocs.org/tcds/6A4.md).

Current certificates first, most recently changed first.

Page 1 of 2 · 95 STCs

- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM.md): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) · Precise Flight Inc.
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM.md): Remove original cloth covering and install Ceconite covering · Ceconite Division of Poly-Fiber Inc.
- [STC ST02962AT](https://openairdocs.org/stc/ST02962AT.md): Installation of L3 Communications Traffic Alert and Collision Avoidance System Model 791A (TCAS791A) · Woven Electronics, LLC
- [STC SA863EA](https://openairdocs.org/stc/SA863EA.md): Incorporation of DME Corporation emergency evacuation slide lighting system · Astronics Luminescent Systems Inc
- [STC ST02580AT](https://openairdocs.org/stc/ST02580AT.md): Lithium cell battery pack to replace currently approved alkaline battery pack used in escape slide emergency light system. · Astronics Luminescent Systems Inc
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. · Airwolf Filter Corporation
- [STC SA1170NW](https://openairdocs.org/stc/SA1170NW.md): Modify type design by installing bulk liquid cargo tank assembly · Everts Air Cargo
- [STC ST02965AT](https://openairdocs.org/stc/ST02965AT.md): Installation of Collins PN101 Compass System · B/E Aerospace Inc
- [STC ST02963AT](https://openairdocs.org/stc/ST02963AT.md): Installation of Collins ALT-55B Radio Altimeter System · B/E Aerospace Inc
- [STC SA2721WE](https://openairdocs.org/stc/SA2721WE.md): Install external retardant tank. · United Aeronautical Corporation
- [STC ST334CH](https://openairdocs.org/stc/ST334CH.md): Installation of Superflite 102 fabric. · Aviation Products Systems Inc.
- [STC SA1311WE](https://openairdocs.org/stc/SA1311WE.md): Installation of a United Data Control P/N V557 Voice Recorder in Boeing DC-6, DC-6A, DC-6B aircraft · United Airlines Inc
- [STC SA4-1466](https://openairdocs.org/stc/SA4-1466.md): Conversion of DC-6B interior from coach to first class arrangement per United Air Lines Drawing 15F-1800 change "C". · United Airlines Inc
- [STC SA528WE](https://openairdocs.org/stc/SA528WE.md): Interior modifications for two 85 occupant configurations and rework of seats to provide removable arm rests as described on United Air Lines Approved Drawing List Nos. COA 6-3023 dated October 14, 1963, COA 6-3036 dated October 28, 1963, and COA 6-3053, Revision B, dated August 21, 1964. · United Airlines Inc
- [STC ST02275AK](https://openairdocs.org/stc/ST02275AK.md): Approval for Douglas DC-6A and DC-6B aircraft operations on runways with slopes in excess of 2% gradient up to 6% gradient. · Everts Air Cargo
- [STC ST981SO](https://openairdocs.org/stc/ST981SO.md): Deactivation of the cabin pressurization system, conversion of the cargo compartment to a class 'E' compartment, and modification of the ventilation system. · Everts Air Cargo
- [STC SA363SO](https://openairdocs.org/stc/SA363SO.md): Cockpit voice recorder. · Delta Airlines Inc
- [STC ST03076AT](https://openairdocs.org/stc/ST03076AT.md): Descriptive data pertaining to this installation are considered inadequate for duplication in other products. This approval is limited to only the installation made in Boeing 737-700, Serial No. 30754. Installation of executive interior · BE Aerospace
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW.md): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER) · Razorback Fabrics Inc
- [STC SA1008WE](https://openairdocs.org/stc/SA1008WE.md): Installation of Poly-Fiber covering material. · Poly-Fiber Inc.
- [STC SA1368GL](https://openairdocs.org/stc/SA1368GL.md): Surrendered and incorporated into STC ST334CH. · Cooper Aviation Supply Company, Inc.
- [STC ST01608CH](https://openairdocs.org/stc/ST01608CH.md): Installation of brake assemblies, p/n 9560164-2 or 9560166, with non-asbestos linings, p/ns 5013028 and 5013029. · Aircraft Braking Systems Corporation
- [STC SA02168AK](https://openairdocs.org/stc/SA02168AK.md): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. · Avalaska Inc
- [STC ST02166AK](https://openairdocs.org/stc/ST02166AK.md): Installation of UPS Aviation Technologies, Inc., GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function display, and UAT transceiver. · Northern Air Cargo Inc.
- [STC SA661SW](https://openairdocs.org/stc/SA661SW.md): Interior arrangement. · Sierra Industries, Inc
- [STC SA2-952](https://openairdocs.org/stc/SA2-952.md): Installation of fiberglass covering. · Razorback Fabrics Inc
- [STC SA1753WE](https://openairdocs.org/stc/SA1753WE.md): Installation of VIP core assembly P/N VIP-106-18. · Vibration Isolation Products Corp
- [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 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 ST869SO](https://openairdocs.org/stc/ST869SO.md): Installation of a swing tail. · Aeronautical Engineers, Inc
- [STC ST595SO](https://openairdocs.org/stc/ST595SO.md): Installation of exhaust system bracket. · Atlas Aircraft Corporation
- [STC SA1510CE](https://openairdocs.org/stc/SA1510CE.md): Engine driven cabin air compressors and associated cabin pressurization controls removed. · Petroleum Air Transport, Inc.
- [STC SA1083SO](https://openairdocs.org/stc/SA1083SO.md): Installation of four Pratt & Whitney R-2800-99W engines and Hamilton Standard propellers. · Bellomy-Lawson Aviation Inc
- [STC SA1066SO](https://openairdocs.org/stc/SA1066SO.md): Alternate installation of hydraulic pump utilizing existing engine drive. · Bellomy-Lawson Aviation Inc
- [STC ST484SO](https://openairdocs.org/stc/ST484SO.md): Installation of cargo restraining bulkhead. · Aeronautical Engineers, Inc
- [STC ST964SO](https://openairdocs.org/stc/ST964SO.md): Installation of cargo interior, installation of cargo restraint and modification of pressurization system. · Bellomy-Lawson Aviation Inc
- [STC ST974SO](https://openairdocs.org/stc/ST974SO.md): Installation of extra crew seating and air distribution system. · Bellomy-Lawson Aviation Inc
- [STC SA229NW](https://openairdocs.org/stc/SA229NW.md): Installation of 82 passenger configuration · Pacific Alaska Airlines Inc
- [STC ST536SO](https://openairdocs.org/stc/ST536SO.md): Installation of aft cargo door. · Aeronautical Engineers, Inc
- [STC ST597SO](https://openairdocs.org/stc/ST597SO.md): Installation of aft cargo door. · Aeronautique Engr Inc
- [STC ST535SO](https://openairdocs.org/stc/ST535SO.md): Installation of cargo floor. · Aeronautical Engineers, Inc
- [STC ST843SO](https://openairdocs.org/stc/ST843SO.md): Installation of aft cargo door. · Aeronautical Engineers, Inc
- [STC SA181NW](https://openairdocs.org/stc/SA181NW.md): Installation of bulk liquid cargo tank system · Pacific Alaska Airlines Inc
- [STC SA100NW](https://openairdocs.org/stc/SA100NW.md): Installation of cargo door, a 6 "G" barrier bulkhead, and a class "E" cargo compartment. · Rosembalm Aviation
- [STC ST514SO](https://openairdocs.org/stc/ST514SO.md): Installation of forward cargo door. · Bellomy-Lawson Aviation Inc
- [STC SA157NW](https://openairdocs.org/stc/SA157NW.md): Installation of bulk liquid cargo tank system · Pacific Alaska Airlines Inc
- [STC SA2861WE](https://openairdocs.org/stc/SA2861WE.md): Installation of rear cargo door system GA61104. · Gary Aircraft Corp
- [STC ST528SO](https://openairdocs.org/stc/ST528SO.md): Installation of cargo restraining bulkhead. · Bellomy-Lawson Aviation Inc
- [STC ST555SO](https://openairdocs.org/stc/ST555SO.md): Installation of rear cargo door. · Bellomy-Lawson Aviation Inc

Next page: https://openairdocs.org/tcds/6A4/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
FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = '6A4')
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/tcds/6A4/stcs

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