PN: 606-00006-002 Rev 2

This Service Information Letter (SIL) advises installers, owners and operators of Avidyne Entegra EXP5000 PFD and DFC90 Release 2-equipped, non-primary engine (“SIU”) Cirrus aircraft on an issue with Underspeed Alerting during Full-time Envelope Alerting situations.

PN: 606-00004-005 Rev 0

This Service Information Letter (SIL) is intended to ensure owners/operators of DFC90 equipped Cirrus SR2X aircraft are informed that updated electronic checklists for the EX5000 MFD are available.

PN: 606-00004-002 Rev 0

This Service Information Letter (SIL) advises owners, operators, and installers of Avidyne EX500/600/5000 MFDs installed with GNS- 430 and WX500 of certain issues related to “Stormscope Heading Has Failed” messages.

PN: 606-00041-001 Rev 0 (164KB)

This Service Information Letter (SIL) advises owners, operators, and installers of Avidyne 200-00041-001 (A1380) and 200-00041-003 (A1740) Data Acquisition Units (DAUs) of a revision to improve the reliability of the DAU.

PN: 606-00004-001 Rev 0 (202KB)

This Service Information Letter (SIL) advises owners, operators, and installers of Avidyne EX500, EX600, and EX5000 MFDs installed with HeadsUp Technologies XMD076 XM Datalink Receiver of certain issues related to XM SIGMET and AIRMET products.