# Search: 441

Supplemental type certificates: 169 matches in release 2026-10-30. Page 1.

- [STC SA3-441](https://openairdocs.org/stc/SA3-441.md): Main landing gear. · Clark John J
  > SA3-**441**
- [STC SA4-441](https://openairdocs.org/stc/SA4-441.md): New lower engine cowl made of fiberglass with Hetron #92 resin. · Wilbur Thompson
  > SA4-**441**
- [STC SA01340WI](https://openairdocs.org/stc/SA01340WI.md): Reduced Vertical Separation Minimum (RVSM) group airworthiness approval of specific Cessna Model 441 Conquest aircraft · West Star Aviation
  > Reduced Vertical Separation Minimum (RVSM) group airworthiness approval of specific Cessna Model **441** Conquest…
- [STC SA2057CE-D](https://openairdocs.org/stc/SA2057CE-D.md): ONE ONLY STC, SN 441-0001: Installation of King KNS 660 Multi-Sensor Flight Management System · Honeywell International Inc
  > ONE ONLY STC, SN **441**-0001: Installation of King KNS 660 Multi-Sensor Flight…
- [STC SA01578WI](https://openairdocs.org/stc/SA01578WI.md): Vertical Separation Minimum (RVSM) non-group (individual) airworthiness approval of specific Cessna Aircraft Company Model 441(Conquest) aircraft · Aircraft Management Services Inc.
  > …non-group (individual) airworthiness approval of specific Cessna Aircraft Company Model **441**(Conquest) aircraft
- [STC SA2194NM](https://openairdocs.org/stc/SA2194NM.md): Increase in maximum weights of Cessna 441 airplanes to 10,925 lbs. (ramp) and 10,850 lbs. (takeoff) · AAR Aircraft Services Inc
  > Increase in maximum weights of Cessna **441** airplanes to 10,925 lbs. (ramp) and…
- [STC SA118CH](https://openairdocs.org/stc/SA118CH.md): Installation of TCAS I · Acron Aviation Inc.
  > ["**441**"]
- [STC SA1599CE](https://openairdocs.org/stc/SA1599CE.md): Installation of a stretcher · Med-Flite Inc.
  > ["**441**"]
- [STC SA00451DE](https://openairdocs.org/stc/SA00451DE.md): Installation of auto ignition system. · West Star Aviation
  > ["**441**"]
- [STC SA02368AK](https://openairdocs.org/stc/SA02368AK.md): Install Sea Catch TR5 toggle release · SECURITY AVIATION
  > ["**441**"]
- [STC SA1424CE](https://openairdocs.org/stc/SA1424CE.md): Install Sierra Electronics consle. · Sierra Research Corp
  > ["**441**"]
- [STC SA1564GL](https://openairdocs.org/stc/SA1564GL.md): Install air ambulance conversion. · Fargo Jet Center
  > ["**441**"]
- [STC SA4026NM](https://openairdocs.org/stc/SA4026NM.md): Installation of two Hartzell HC-B3TN-5 (E)/T10178B-13Q propellers on Cessna 441 airplanes equipped with Garrett engine Models TPE-331-B-401S, 402S, 403S or 404S. · Aero Air, LLC
  > Installation of two Hartzell HC-B3TN-5 (E)/T10178B-13Q propellers on Cessna **441**…
- [STC SA01086SE](https://openairdocs.org/stc/SA01086SE.md): Installation of 19" Equipment Rack. · Volant Technica Inc
  > ["**441**"]
- [STC SA1184GL](https://openairdocs.org/stc/SA1184GL.md): Installation of lead acid batteries. · Northern Air Service
  > ["**441**"]
- [STC SA1494NM](https://openairdocs.org/stc/SA1494NM.md): Installation of a cargo door. · Textron Aviation Inc
  > ["**441**"]
- [STC SA02636AT](https://openairdocs.org/stc/SA02636AT.md): Installation of a Strobe Light System · Reds Aircraft Service Inc.
  > ["**441**"]
- [STC SA03053CH](https://openairdocs.org/stc/SA03053CH.md): Installation of Air Data Equipment Modifications · West Star Aviation Inc
  > ["**441**"]
- [STC SA09547AC-D](https://openairdocs.org/stc/SA09547AC-D.md): Installation of Avidyne Primary Flight Display · S-TEC Corporation
  > ["**441**"]
- [STC SA09620AC](https://openairdocs.org/stc/SA09620AC.md): Installation of Engine Instrument Display System (EIDS). · S-TEC Corporation
  > ["**441**"]

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