Date: 11-15-19
Revision: 2
5.7.21-2
VASHON AIRCRAFT RANGER R7 MAINTENANCE MANUAL
1
GENERAL
This section outlines the general wiring structure of the aircraft, the lighting system, and the
emergency locator transmitter (ELT) system. For more information on the alternator, battery, or
starter, please see section 5.7.20. For more information on the avionics system, see section
5.7.18.
2
ELECTRICAL POWER SYSTEMS
(1) GENERAL
The aircraft uses a 12-volt DC electrical system with the power supplied by a 50-amp engine-
driven alternator and a 12-volt storage battery.
In addition to the alternator and the battery, the electrical system consists of an internally
regulated over-voltage protection system, master and starter solenoids, an AFS module
incorporating electronic circuit breakers for protection, and an Advanced Flight System switch
module. The battery is located on the firewall.
