ST3400H Service Bulletins and Service Information Letters

• SIL 3400H-03: Release of software version 1.03 (Oct. 4 2011)
  SIL 3400H-03 Service Information Letter (PDF 20kb)
  


• SIL 3400H-01: Installations with analog air data sensor (Dec. 13 2010)
  SIL 3400H-01 Service Information Letter (PDF 14kb)