Learjet 20 Series Pilot Training Manual page 338

INTRODUCTION
Miscellaneous systems used on the Lear 20 series include the oxygen system and the drag
chute. The airplane uses high-pressure oxygen stored in a cylinder located in the right nose
section or the dorsal fin. The drag chute is offered as optional equipment.
GENERAL
The 20 series oxygen system consists of the
crew distribution system and the passenger
distribution system. Oxygen is available to the
crew whenever the shutoff valve is open and can
be made available to the passengers either
automatically above 14,000 feet cabin altitude or
manually at any altitude by the cockpit controls.
The system is primarily designed for use in the
event of rapid decompression or pressurization
LEARJET 20 SERIES PILOT TRAINING MANUAL
MISCELLANEOUS SYSTEMS
FOR TRAINING PURPOSES ONLY
CHAPTER 17
ANTI-ICE
12
ON
OIL
16
8
BLOWER
OFF
NO 1 FUEL ENG 1
TRANS CHIP
NO 1 FUEL NO 1 FUEL
LOW
FILTER
4
BATT
NO 1 BATT
HOT
SYS
0
system failure. It is not designed for planned
extended unpressurized flight at high cabin
altitudes requiring the use of oxygen.
The optional drag chute is used to improve
deceleration on the ground. It is most effective
when deployed at higher speeds, but it can still be
effective when deployed at speeds below 60 knots.
FlightSafety
international
RESET
TEST
XMSN
OIL
90° BOX
OIL
GEN 1
HOT
17-1