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May 03
8-7
P I LOT T R A I N I N G GU I D E
Passenger Oxygen
The dropdown masks are controlled by the PASSENGER OXYGEN control panel
which is located on the copilot’s side console. There are three modes of operation:
• CLOSED – Stops the oxygen supply to the dropdown masks
• NORMAL – The dropdown masks deploy when the altimetric valve senses the
cabin altitude is greater than 10,500 feet or 14,500 feet (aircraft S/N dependent)
and oxygen is supplied to the masks
• OVERRIDE – The dropdown masks deploy and oxygen is supplied to the masks
In the event the dropdown masks do not deploy, the door on the mask box can be
opened by inserting a long, thin object into the release hole.
Passenger Oxygen Control Panel
Figure 8-4
Therapeutic
Therapeutic oxygen is controlled from the flight compartment by a switch/light on the
PASSENGER OXYGEN control panel. Selecting the switch to ON illuminates the
light and oxygen will be supplied to the ports in the cabin for first aid use.
PASSENGER OXYGEN
THERAPEUTIC
OXYGEN
ON
TEST
PORT
NORMAL
CLOSED OVERRIDE
P604_08_013
EMERGENCY EQUIPMENT
8-8 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
Emergency Exits
Refer to Chapter 1 Airplane General for operation of the passenger door and the
overwing emergency exit.
Main Entrance Door
The main entrance door is classified as a Type I emergency exit and is the normal
means of exit in an emergency.
Overwing Emergency Exit
The overwing emergency exit is a removable plug-type hatch and provides access to
the right upper wing surface. It is classified as a Type III emergency exit. This
emergency exit has an escape rope (lifeline) stored to the right of the exit window,
with one end attached to the fuselage.
Emergency Egress Lighting
The Challenger 604 is equipped with an Emergency Egress Lighting System that
operates for approximately 15 minutes from the time of activation. The Emergency
Egress Lighting System location and operations are covered in Chapter 16 Lighting.
EMERGENCY EQUIPMENT
For Training Purposes Only
May 03
8-9
P I LOT T R A I N I N G GU I D E
Locating Devices
Components and Operation
Emergency Locator Transmitter (ELT)
The ELT is located in the tail cone of the airplane and is activated automatically by
G-forces in the event of a crash. The ELT transmits a signal on the international
emergency frequencies of 121.5 and 243.0. A sealed battery pack is installed inside the
ELT and provides at least 48 hours of operation.
Underwater Locating Devices (ULDs)
In addition to the ELT, there are Underwater Locating Devices (ULDs), which are part
of the Flight Data Recorder (FDR) and the Cockpit Voice Recorder (CVR) systems.
The ULDs automatically provide a locating signal should the airplane become
submerged in water.
Controls and Indicators
The ON/ARM switch located on the ELT panel controls the emergency locator
transmitter.
With the ELT ON/ARM switch set to ARM, the automatic operating mode is selected
and the ELT will activate when impact G forces are sufficient. The ON position
permits ELT manual operation when desired. When the transmitter is in operation, the
ON light on the ELT panel will illuminate.
ELT System - Control Panel
Figure 8-5
ELTE L/TCVR MIC CONTROL PANEL
ON
ARM
FOR AVIATION
EMER USE ONLY
UNAUTHORIZED OPERATION PROHIBITED
ON
P604_08_006
EMERGENCY EQUIPMENT
8-10 For Training Purposes Only
May 03
P I LOT T R A I N I N G GU I D E
Miscellaneous Emergency Equipment
Components and Operation
Fire Extinguishers
The Challenger 604 normally has two variable-size handheld fire extinguishers. One
of the extinguishers is located in the Flight Compartment on the bulkhead behind the
copilot’s seat. The other is located at a designated area in the cabin and is marked by a
placard. Handheld fire extinguisher operations are covered in Chapter 9 Fire
Protection.
IF A FIRE EXTINGUISHER IS TO BE DISCHARGED IN THE
FLIGHT COMPARTMENT, ALL FLIGHT CREW MUST WEAR
OXYGEN MASKS WITH EMERGENCY SELECTED (100%
OXYGEN).
Crew exposure to high levels of Halon vapors may result in
dizziness, impaired coordination and reduced mental alertness.
Crash Axe
A crash axe is located on the bulkhead behind the pilot’s seat.
Crash Axe
Figure 8-6
WARNING
NOTE
P604_08_002
EMERGENCY EQUIPMENT
For Training Purposes Only
May 03
8-11
P I LOT T R A I N I N G GU I D E
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