# STC SA2478SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RPM Commander LLC
- Description: Installation of Lycoming IO-720- B1B engine and increase take-off and landing weight to 7800 lbs.
- Status date: April 16, 2008
- Data sheets: 6A1
- Certificate PDF: https://openairdocs.org/files/sha256/e6/68/e668d89279a6f96c68dba2c6e9206035dcfc0d205b06630da87806029cf58f02
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3CE6F96C5FD0E62E8625743A00521E56.0001
- Page: https://openairdocs.org/stc/SA2478SW

## ADs that name it

- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005. Named in the applicability

## Approved models (1)

- Twin Commander Aircraft Corporation 500-S (TCDS 6A1)

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (2)

- April 16, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e6/68/e668d89279a6f96c68dba2c6e9206035dcfc0d205b06630da87806029cf58f02)
- January 30, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a0/42/a042340fc51675506a196ab54ef4b75f0730f1ae7d7b0462059c416512b37960)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.