Instruction Manual
400W Series P/N 190-00356-65 Rev. D
Instructions for Continued Airworthiness Page 12 of 12
2.11 Data Relative to Structural Fasteners
None, N/A.
2.12 Special Tools
A milliohm meter with an accuracy of +/- 0.1 milliohms ohms (or better) is required to measure the
electrical bonding between the 400W system components and aircraft ground.
No special tools are required for system checkout. See 400W Series Installation Manual listed in
reference documentation in section 2.1 of this document.
2.13 Additional Instructions
None.
2.14 Overhaul Period
The system does not require overhaul at a specific time period. Power on self-test and continuous BIT
will monitor the health of the 400W series unit. If the unit indicates an internal failure, the unit may be
removed and replaced. See troubleshooting section contained in the 400W Series Installation Manual,
listed under reference documentation in paragraph 2.1 of this document.
2.15 ICA Revision and Distribution
To revise this ICA, Garmin will follow the Garmin ODA Procedures Manual SOP-0055/ACP-0016 for
Instructions for Continued Airworthiness. The latest revision of this ICA document is available on the
Garmin website (www.garmin.com). A Garmin Service Bulletin describing ICA revision will be sent to
Garmin dealers if a revision is determined to be significant.
2.16 Assistance
Flight Standards Inspectors or the certificate holder’s PMI have the required resources to respond to
questions regarding this ICA. In addition, the customer may refer questions regarding this equipment
and its installation to the manufacturer, Garmin. Garmin customer assistance may be contacted during
normal business hours via telephone 913-397-8200 or email from the Garmin web site at
www.garmin.com.
2.17 Implementation and Record Keeping
Modification of an aircraft by this Supplemental Type Certificate obligates the aircraft operator to include
the maintenance information provided by this document in the operator’s aircraft maintenance manual
and/or the operator’s aircraft scheduled maintenance program.










