Description Of Alteration - Garmin 400W Series Instructions Manual

2.2 Description of Alteration

This STC upgrades existing avionics for the Bell 407 rotorcraft as summarized below.
The Garmin Model 400W Series GPS/WAAS Nav/Com unit is a 6 ¼ inch wide unit mounted in the center
console of the Bell 407. The 400W Series units combine a large number of easily accessible controls to
use the color multi-function display, Nav and Com transceiver, GPS/WAAS navigator in a single unit. A
GPS/WAAS antenna is installed on the top of the Bell 407 forward engine cowl. A monitored avionics
cooling fan is installed in the instrument panel support with a fan fail fault annunciation located in the
existing caution and warning annunciator panel.
(1) 1 8 013‐00103‐00
(1) 1 011‐00351‐00
‐ 1 7 011‐00351‐01
‐ 1 011‐00351‐03
‐ 1 6 011‐00676‐00
(1) ‐ 5 011‐00671‐00
(1) ‐ 4 115‐00345‐00
‐ 1 3 115‐00243‐00
011‐01061‐XX
011‐01060‐XX
‐ 1 2 011‐01059‐XX
011‐01058‐XX
011‐01057‐XX
011‐01066‐XX
(1) ‐ 1 011‐01064‐XX
011‐01062‐XX
5XX 4XX
ITEM NO. PART NUMBER
QTY.
400W Series
Instructions for Continued Airworthiness Bell 407
GFC 3XX 3‐PORT COOLING FAN
CONNECTOR KIT GNS 430W GNS 430AW
CONNECTOR KIT GNC 420W GNC 420AW
CONNECTOR KIT GPS 400W GPS 500W
BACKPLATE SUB‐ASSEMBLY 400W SERIES NAVIGATOR
BACKPLATE SUB‐ASSEMBLY 500W SERIES NAVIGATOR
MOUNTING RACK 500W SERIES NAVIAGATOR
MOUNTING RACK 400W SERIES NAVIAGATOR
GNS 430AW NAVIGATOR
GNS 430W NAVIGATOR
GNC 420AW NAVIGATOR
GNC 420W NAVIGATOR
GPS 400W NAVIGATOR
GNS 530AW NAVIGATOR
GNS 530W NAVIGATOR
GPS 500W NAVIGATOR
DESCRIPTION
190-01226-14 Rev. 3
Page 6 of 26