# STCs that may be installed: Douglas DC-7B

A list on [Douglas DC-7B](https://openairdocs.org/model/douglas-dc-7b.md).

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

Page 1 of 2 · 52 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 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 SA2709WE](https://openairdocs.org/stc/SA2709WE.md): Installation of 3000 gallon external retardant tanks under the fuselage at the wing center section. · United Aeronautical Corporation
- [STC SA3015WE](https://openairdocs.org/stc/SA3015WE.md): Installation of LH and RH upper viewing windows above side cockpit windows. · United Aeronautical Corporation
- [STC ST334CH](https://openairdocs.org/stc/ST334CH.md): Installation of Superflite 102 fabric. · Aviation Products Systems Inc.
- [STC SA364SO](https://openairdocs.org/stc/SA364SO.md): Cockpit voice recorder. · Delta Airlines Inc · Lists DC-7 Series
- [STC SA1369GL](https://openairdocs.org/stc/SA1369GL.md): Surrendered and incorporated into STC ST334CH. · Cooper Aviation Supply Company, Inc.
- [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 SA2047SO](https://openairdocs.org/stc/SA2047SO.md): Installation of an unpressurized aft cargo door. · Aeronautical Engineers, Inc
- [STC SA3102NM](https://openairdocs.org/stc/SA3102NM.md): Installation of military model R-3350-42 (STC SE2004NM) or R-3350-93 (STC No. SE2007NM) engines. · Tulare Aircraft Service
- [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 ST484SO](https://openairdocs.org/stc/ST484SO.md): Installation of cargo restraining bulkhead. · Aeronautical Engineers, Inc
- [STC ST631SO](https://openairdocs.org/stc/ST631SO.md): Installation of loading and restraint system for palletized cargo. · Jet Avion Corp
- [STC SA470CE](https://openairdocs.org/stc/SA470CE.md): Installation of Fairchild cockpit voice recorder Model A-100. · Universal Airlines, Inc
- [STC SA493SW](https://openairdocs.org/stc/SA493SW.md): Installation of 104-passenger interior arrangement. · American Airlines Inc
- [STC SA103WE](https://openairdocs.org/stc/SA103WE.md): Interior arrangement for 104 passengers. · Camaero Inc · Lists DC-7 Series
- [STC SA1068WE](https://openairdocs.org/stc/SA1068WE.md): Interior arrangement. · California Airmotive Corporation · Lists DC-7 Series
- [STC SA1075WE](https://openairdocs.org/stc/SA1075WE.md): AVQ9 radar altimeter, APN9 Loran receiver, AT144 HF transmitter and AR144 HF receiver. · California Airmotive Corporation · Lists DC-7 Series
- [STC SA10SO](https://openairdocs.org/stc/SA10SO.md): Provisioned for installation of10,000 pound military pallet. · Pan American World Airways Inc · Lists DC-7 Series
- [STC SA1361WE](https://openairdocs.org/stc/SA1361WE.md): Fairchild Industrial Products Model A100, cockpit voice recorder system. · Saturn Airways Inc · Lists DC-7 Series
- [STC SA176NW](https://openairdocs.org/stc/SA176NW.md): Installation of Fairchild Andover Model 204 auxiliary power unit for ground use only. · Butler Aircraft Co · Lists DC-7 Series
- [STC SA214WE](https://openairdocs.org/stc/SA214WE.md): Passenger interior arrangements and cargo interior. · Pacific Airmotive Corp · Lists DC-7 Series
- [STC SA23SO](https://openairdocs.org/stc/SA23SO.md): Observer's seat fuselage Station 55. · Riddle Airlines Inc · Lists DC-7 Series
- [STC SA294WE](https://openairdocs.org/stc/SA294WE.md): Door in floor for cabin access. · AiResearch Aivation Service Co · Lists DC-7 Series
- [STC SA3-311](https://openairdocs.org/stc/SA3-311.md): Wheels 150741-1 and/or 150741-5 and brake assembly 150835-5. · Bendix Aviation Corporation · Lists DC-7 Series
- [STC SA30SO](https://openairdocs.org/stc/SA30SO.md): Two emergency exits at stations437.9 - 460.5 from Type IV to Type III modified. · Riddle Airlines Inc · Lists DC-7 Series
- [STC SA314WE](https://openairdocs.org/stc/SA314WE.md): Passenger interior arrangements and cargo interior for operation of aircraft at 106,400 pounds zero fuel weight. · Pacific Airmotive Corp · Lists DC-7 Series
- [STC SA35SO](https://openairdocs.org/stc/SA35SO.md): Access hole in horizontal stabilizer. · Riddle Airlines Inc · Lists DC-7 Series
- [STC SA4-124](https://openairdocs.org/stc/SA4-124.md): Station 122 bulkhead. · Pan American World Airways Inc. · Lists DC-7 Series
- [STC SA4-255](https://openairdocs.org/stc/SA4-255.md): Aft cabin lounge. · AiResearch Aivation Service Co · Lists DC-7 Series
- [STC SA4-328](https://openairdocs.org/stc/SA4-328.md): Step kit added to fore and aft cargo door. · National Aircraft Corp · Lists DC-7 Series
- [STC SA4-329](https://openairdocs.org/stc/SA4-329.md): Step kit added to fore and aft cargo door. · National Aircraft Corp · Lists DC-7 Series
- [STC SA4-330](https://openairdocs.org/stc/SA4-330.md): Step kit added to fore and aft cargo door. · National Aircraft Corp · Lists DC-7 Series
- [STC SA4-355](https://openairdocs.org/stc/SA4-355.md): Interior modification coach to mixed class. · AiResearch Aivation Service Co · Lists DC-7 Series
- [STC SA4-405](https://openairdocs.org/stc/SA4-405.md): Interior modification to mixed class. · AiResearch Aivation Service Co · Lists DC-7 Series
- [STC SA4-442](https://openairdocs.org/stc/SA4-442.md): Modification of communication equipment to provide navigator station. · American Airlines Inc · Lists DC-7 Series
- [STC SA4-507](https://openairdocs.org/stc/SA4-507.md): Deterjet DJ1025 valve in place of Wright torquemeter booster pump upper housing per STC SEW-10. · Pan American World Airways Inc. · Lists DC-7 Series
- [STC SA4-54](https://openairdocs.org/stc/SA4-54.md): Passenger/cargo interior arrangement configurations. · Pan American World Airways Inc. · Lists DC-7 Series
- [STC SA4-91](https://openairdocs.org/stc/SA4-91.md): One 4-piece divan left-hand side inboard facing and one 2-place divan right-hand side aft facing from Station 891 aft to pressure dome. · AiResearch Aivation Service Co · Lists DC-7 Series
- [STC SA425WE](https://openairdocs.org/stc/SA425WE.md): Single Federal (ITT) Type AFN3544 distance measuring equipment system. · American Airlines Inc · Lists DC-7 Series
- [STC SA500EA](https://openairdocs.org/stc/SA500EA.md): Installation of microvision operational all-weather landing system. · Bendix Corporation · Lists DC-7 Series
- [STC SA588WE](https://openairdocs.org/stc/SA588WE.md): Ceconite 101 covering of rudder. · Cooper Engineering Corporation · Lists DC-7 Series
- [STC SA600SO](https://openairdocs.org/stc/SA600SO.md): Cockpit voice recording system. · Airlift Intl Inc · Lists DC-7 Series
- [STC SA602WE](https://openairdocs.org/stc/SA602WE.md): 99-passenger interior arrangement modification including floor structure. · Aircraft Investors · Lists DC-7 Series
- [STC SA656WE](https://openairdocs.org/stc/SA656WE.md): Interior modification for 98 occupants. · California Airmotive Corporation · Lists DC-7 Series
- [STC SA724WE](https://openairdocs.org/stc/SA724WE.md): Interior arrangement modification for 89 and 99 passengers and installation of modified navigator's seat. · Intl Aerodyne Inc · Lists DC-7 Series
- [STC SA76EA](https://openairdocs.org/stc/SA76EA.md): Radome assembly 3016. · Chamberlain Aviation Inc · Lists DC-7 Series
- [STC SA89SO](https://openairdocs.org/stc/SA89SO.md): Oil separator B-300-1. · Air Carrier Eng Service Inc · Lists DC-7 Series
- [STC ST651SO](https://openairdocs.org/stc/ST651SO.md): Installation of cargo transportation pallet and new assemblies (Heath Techna P/N AC-10195) pallet w/AC-10197 net, or AC-10194 pallet w/AC-10196 net. · Heath Tecna Corporation

Next page: https://openairdocs.org/model/douglas-dc-7b/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 ('3021804')
  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/douglas-dc-7b/stcs

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