
POH / AFM
AQUILA AT01-100/200 POH-Supplement
AS-18
Document Nr.: Issue: supersedes Issue: Date: Page:
FM-AT01-1010-257 A.01 - 15.10.2013 AS-18-6
6. WEIGHT AND BALANCE
Changes to Weight and Balance due to Installation/Removal of the GNC 255A/255B
must be considered in accordance with chapter 6 of the Basic POH.
7. SYSTEM DESCRIPTION
Pilot’s Guide
The Garmin GNC 255A / 255B Pilot´s Guide, defined in Section 2 of this document,
contains information regarding GNC system description, control and function. This
Pilot’s Guide must be immediately available to the flight crew.
Power
Power to the Garmin GNC 255A / 255B is provided through a circuit breaker labeled
COM 1 or COM 2. Power to the NAV Unit is provided through a circuit breaker labeled
NAV/GPS 1 or NAV/GPS 2.
Database
Instructions for updating the Frequency Database can be found in the Garmin GNC
255A / 255B Pilot´s Guide, defined in Section 2 of this document.
8. HANDLING, SERVICE AND MAINTENANCE
CAUTION
The Garmin GNC 255A/255B must be switched off during engine start-up and shut-
down. Otherwise it could be seriously damaged or destroyed. All warranty and
guarantee claims will become void!
CAUTION
The GNC 255´s display uses a lens coated with a special anti-reflective coating that is
very sensitive to skin oils, waxes, and abrasive cleaners. CLEANERS CONTAINING
AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very important to
clean the lens using a clean, lint-free cloth and an eyeglass lens cleaner that is
specified as safe for anti-reflective coatings.
MALFUNCTION OF THE GNC 255A / 255B:
The Garmin GNC 255 does not contain any user-serviceable parts. Repairs should only
be made by an authorized Garmin service center. Unauthorized repairs or modifications
could void both the warranty and the pilot’s authority to operate this device under local
authority regulations.