89000046-014 KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0 Page 7-44
© Honeywell International Inc. Do not copy without express permission of Honeywell.
7.6.7.3 Receiver/Transmitter Operation
Test VHF Com’s ability to receive and transmit to another VHF Com station. Verify using a
low/middle/high frequency.
7.6.8 VOR/LOC/ GS Checkout
Note: This section is not applicable for AeroNav 880/780.
If installed, test the VOR/LOC/GS system using a local frequency or test set. Verify the OBS (selected
course) is functioning, CDI/HSI/PFD is indicting correctly, and NAV audio is received. Also, verify no
EMI on the VOR/LOC/GS system.
7.6.9 Autopilot
If the AeroNav XXX can be coupled to an Autopilot system, verify the Autopilot is operating correctly
with the AeroNav XXX as the navigation source.
7.6.10 Magnetic Compass Swing
After installation and EMI checks are complete, perform a magnetic compass “swing” in accordance
with the aircraft installation manual for updating the heading correction card in accordance with 14
CFR 27.1327 and 27.1547.
7.6.11 AeroNav XXX Bezel and Display Lighting
Verify the Bezel and Display Lighting for the AeroNav XXX can be set to an appropriate level for Day
and Night flight conditions. Likewise, verify any external HSI/CDIs can be properly adjusted for day
and night lighting conditions.
7.6.12 External Annunciators and Switches
If installed, verify external annunciators and switches are operating correctly. Verify the external
annunciator lighting can be adjusted for Day and Night flight conditions (Bright and Dim setting, but
never off). Verify all external switches are functioning correctly.
7.6.13 Placards
Verify all circuit breaker(s), switches, and limitation placards (if needed) are installed.
If required per Section 2.4.1, there must be a placard in clear view of the pilot that specifies the kind
of operations to which the operation of the airplane is limited or from which it is prohibited under 14
CFR 27.1525. The limitation placard must be installed in a conspicuous place in the Pilot's field of
view. The placard text height must be a minimum of 0.10 inches in contrasting color to the
surrounding area. The text must be high-quality solid-color font of at least 300 DPI (dots per inch).
The placard must not be easily disfigured, erased, or obscured.
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