400W Series
190-01226-04 Rev. 2
Instructions for Continued Airworthiness Bell 206B
Page 21 of 22
2.9 Special Inspection Requirements
2.9.1
Post-Lightning Strike Inspection
In the event of a suspected or actual lightning strike to the rotorcraft, the GA 36 or GA 37 GPS antenna
installation shall be inspected to ensure that there is no structural damage around the areas where
lightning may have attached. If there is visible sign of damage to the antenna then it must be replaced.
Verify that the 400W series unit receives and displays GPS satellite information normally.
2.9.1
Post-Hard Landing Inspection
In the event of a hard landing complete all the inspections specified in Table 1 Periodic Maintenance
Inspections.
2.10 Application of Protective Treatments
None, N/A.
2.11 Data Relative to Structural Fasteners
FASTENER
TYPE
AND
TORQUE
Location
(see
Installation
Drawing)
6
‐
32
Screw
12
‐
15
inch
‐
pounds
8
‐
32
Screw
12
‐
15
inch
‐
pounds
10
‐
32
Screw
22
‐
25
inch
‐
pounds
400W
Unit
Mounting
Rack
X
GPS
Antenna
X
Cooling
Fan
X
X
X
2.12 Special Tools
For electrical bonding testing, a milliohm meter is required.
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 2.6 contained in this document.
2.15 ICA Revision and Distribution
To revise this ICA, a letter must be submitted to the ACO along with the revised ICA. The ACO will
obtain AEG acceptance, and approve any revision to the Airworthiness Limitations in Section 3. After
FAA acceptance/approval, Garmin will release the revised ICA for customer use, and provide any
required notification of the revision.
