The fire extinguishing system can only discharge the extinguishing agent (Halon 1301) into the FWD or AFT lower hold at one time.
L. Fixed Partitions
The FWD and AFT cargo compartment each have two partition walls. In the FWD cargo compartment, one is at FR24A and one at FR34. The AFT cargo compartment has one at FR47/51 and one at FR65. They are of a composite type structure and heat resistant. The partition walls are attached to the aircraft structure.
M. Quick Connect System
All panels in the FWD and AFT lower holds are attached to the aircraft structure with quick connect fasteners. This feature allows quick and easy access to all parts behind the panels.
CARGO COMPARTMENTS - DESCRIPTION AND OPERATION______________________________________________
1. General_______
(Ref. Fig. 001)
In the lower deck of the aircraft, there are two lower holds (FWD hold and
AFT hold) which are divided into cargo compartments. The FWD hold is divided
into the FWD cargo compartments No. 1 and No. 2. The AFT hold is divided
into the AFTcargo compartments No. 3, No. 4 and the Bulk cargo compartment
No. 5. A divider net isolates the cargo compartment No. 5 from the cargo
compartments N0. 3 and No. 4. The FWD, AFT and Bulk cargo compartments have
tiedown/attachment points for the nets and straps which keep the bulk cargo
in place. Two additional door nets are installed in the FWD and AFT cargo
compartment.
R 2. System Description__________________
R (Ref. Fig. 002, 003, 004)
R A. FWD and AFT Lower Holds
R
R The FWD lower hold (FWD cargo compartment) is in Zone 130 between FR24A
R and FR35.5. A hydraulically operated cargo door which opens to the
R outside is installed on the lower right side of the aircraft between
R FR24A and FR28. The cargo door gives access to the FWD cargo compartment.
R
R The AFT lower hold (AFT cargo compartment and Bulk cargo compartment) is
R in Zones 150/160 between FR47.2 and FR65. The AFT cargo compartment is
R between FR47.2 and FR59. A divider net with a screen is installed at FR59
R and divides the Bulk cargo compartment from the AFT cargo compartment. A
R hydraulically operated cargo compartment door (AFT cargo door) which
R opens to the outside is installed on the lower right side of the
R aircraft. The AFT cargo door is between FR52A and FR56 and gives access
R to the AFT cargo compartment and the Bulk cargo compartment.
R The Bulk cargo compartment is in Zone 160 between FR59 and FR65.
R
B. FWD and AFT Cargo Compartment
(Ref. Fig. 005, 006, 007, 008)
The FWD and AFT cargo compartments have floor panels and linings. The
linings keep smoke in the compartments and prevent damage to the lines
and electrical wires. Each cargo compartment has items which make a
restraint system. The restraint system permits the loading of loose
baggage and bulk cargo in the FWD and AFT cargo compartments. The divider
nets give each cargo compartment loading sections. The FWD and the AFT
cargo compartment have five sections. This permits to load only a part of
each cargo compartment.
CES
FWD and AFT Lower Holds
Figure 001
CES
FWD Cargo Compartment
Figure 002
CES
AFT Cargo Compartment
Figure 003
CES
BULK Cargo Compartment
Figure 004
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