STC History
November 2017: Piper Navajo, Chieftain, Mojave, Cheyenne I, and
Cheyenne II Amended to STC SA01935LA by FAA
November 2012: Cessna 335 Amended to STC SA01935LA by FAA
March 2012: Cessna 340/340A Amended to STC SA01935LA by FAA
May 2010: PMA Transition from FIS Manual to Quality Control Manual
Approved by FAA
April 2010: Cessna 404 Amended to STC SA01935LA by FAA
April 2010: Design Changes to Improve Ease of Installation
Approved by FAA
February 2010: Cessna 441 Amended to EASA STC 10027121 and
Granted EASA STC 10027121, Rev. 1
September 2009: STC SA01935LA (Cessna 401 - 425) Approved by
EASA & Granted EASA STC 10027121
August 2009: Cessna 441 Amended to STC SA01935LA by FAA
December 2007: STC SA01935LA (TC# AC7E) issued to
Aircraft Performance Modifications, Inc. by FAA
November 2006: Parts Manufacturer Aproval (No. PQ2558NM)
issued to Aircraft Performance Modificaitons, Inc.
by FAA
February 2005: Application for Dual Strake STC submitted to FAA
January 2004: Engineering begins for the design of Cessna 400
Series Strakes