# STC SA584WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Nelson Filter, United States
- Description: Installation of oil filter assemblies.
- Status date: August 29, 1974
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H1](https://openairdocs.org/tcds/2H1), [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS H-1](https://openairdocs.org/tcds/H-1), [TCDS 3A20](https://openairdocs.org/tcds/3A20), [TCDS 5A4](https://openairdocs.org/tcds/5A4), [TCDS 4H11](https://openairdocs.org/tcds/4H11), [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5364792968CCFFC985256CC200122BF5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA584WE

## ADs that name it (0)

None.

## Approved models (40)

- Bell Helicopter Textron 47G-2 (USAF H-13H) ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Bell Helicopter Textron 47G-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-2A-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3 (OH-13H) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-3B-1 (TH-13T) ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-4A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Bell Helicopter Textron 47J ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2 ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47J-2A ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Bell Helicopter Textron 47K ([TCDS 2H1](https://openairdocs.org/tcds/2H1))
- Raytheon Aircraft Company 50 (L-23A) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company 65 (L-23F) ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-A80-8800 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-B80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company B50 (L-23B) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company B50 (L-23D) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company B50 (RL-23D) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company C50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50 (L-23E) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50A ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50B ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50C ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50E ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50E-5990 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company E50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company F50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company G50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company H50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company J50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Rogerson Hiller Corporation UH-12E ([TCDS 4H11](https://openairdocs.org/tcds/4H11))
- Rogerson Hiller Corporation UH-12E-L ([TCDS 4H11](https://openairdocs.org/tcds/4H11))
- Twin Commander Aircraft Corporation 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560-E ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 680-E ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 680-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

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