S201 AFM
7 - AIRPLANE AND SYSTEMS
DESCRIPTION
7.11 - ELECTRICAL SYSTEM
27/06/2019
SONAIR-S2-D-MAN-006
Page : 7-88
Rev. : A
7.11.4
MAIN BUS
Following equipment are directly connected to the main bus and may become
non-operational in case of main bus power supply failure:
1.
Auxiliary fuel pump
2.
Flaps
3.
EMS
4.
PFD
5.
GPS
6.
Cabin and instruments light(s)
7.
Strobe, navigation and taxi lights.
7.11.5
MASTER AND STARTER SWITCHES
The Sonaca 201 is equipped with a dual master switch mounted on the
instrument panel, connected to Battery and Alternator 2 relays.
The starter switch is a push button mounted on the instrument panel and can be
activated after powering the main bus.
7.11.6
IGNITION SWITCHES
Two ignition switches are grouped into a turnkey switch located on the left hand
side of the instrument panel. This switch allows to activate one, the other or both
ignition circuits.
Both ignition switches should be ON to operate the engine.