References:
[a] C-40A Operations Manual, Vol. 2
[b] Boeing C-40A Aircraft Maintenance Manuals, Part 1, System Description Section
[c] NAVAIR 00-80R-14, NATOPS U.S. Navy Aircraft Firefighting and Rescue Manual
204.1 SYSTEM COMPONENTS AND COMPONENT PARTS
Referring to a standard print of this system or the actual equipment, identify the following system components and component parts and discuss the designated items for each:
A. What is its function?
B. Where is it located?
204.1.1 Aviation Life Support System (ALSS):
Function:
The life vest is to keep individuals afloat with 35lbs. of buoyancy.
Location:
There is one life vest located under each passenger seat as well as under each crew member�s jump seat, and attached to the back of the seats in the flight deck.
b. Life rafts
Function:
To keep survivors out of the water and provide a minimum of 24 hours of survival.
Location:
There are two four-man life raft stored in the flight deck under the flight observer seat. Additionally, when in combi mode two 56-man life rafts are located in the overhead compartments in the center of the passenger compartment. When in pax mode two 56-man life rafts are stored in the center overhead compartment and one 56-man life raft is stored in the starboard overhead compartment rows 2 & 3.
c. Portable fire extinguishing bottles
Function:
There are two different types of extinguishing bottles maintained on board depending on the type of fire that needs to be put out.
Location:
In passenger mode:
One Halon extinguisher is stored in the flight compartment, one in the forward galley, and one in the aft passenger/cargo overhead (port side).
One H2O (water) extinguisher is stored between the aft lavatories.
In combi mode:
One Halon extinguisher is stored in the flight compartment, two in the forward galley, one in the aft passenger/cargo overhead (port side) and one between the aft lavatories. One H2O (water) extinguisher is stored between the aft lavatories.
In cargo mode:
A Halon extinguisher is stored in the flight compartment, two in the forward galley, one in the aft passenger/cargo overhead (port side) and one between the aft lavatories. One H2O (water) extinguisher is stored between the aft lavatories.
d. Portable oxygen bottles
Function:
To sustain emergency oxygen to aircrew members until aircraft reaches 10,000 feet altitude.
Location:
In passenger mode:
One O2 bottle is maintained in the forward galley, one in the forward passenger/cargo overhead compartment (starboard side), and two in the aft passenger/cargo overhead compartment (port side).
In combi mode:
One O2 bottle is maintained in the forward galley, and two in the aft passenger/cargo overhead compartment (port side).
In cargo mode:
One O2 bottle is maintained in the forward galley, and two in the aft passenger/cargo overhead compartment (port side).
e. Crash axe
Function:
The primary use is in accessing suspected fires or areas blocked by inoperable doors.
Location:
One axe is stored in the flight deck compartment panel P-18, just inside the flight deck door on the port side.
f. First aid kit
Function:
To provide minor medical attention in cast of emergency for cuts, sprains, fainting, and small wounds.
Location:
In passenger mode:
One is maintained in the forward galley, and two in the aft passenger/cargo overhead compartment (port side).
In combi mode:
One is maintained in the forward galley, and two in the aft passenger/cargo overhead compartment (port side).
In cargo mode:
Two are maintained in the aft passenger/cargo overhead compartment (port side).
g. Megaphone
Function:
The megaphone(s) are to be used in an emergency situation to facilitate communication when normal PA systems will not be adequate.
Location:
In Pax mode: there are two megaphones located on the aircraft. One in the forward galley storage compartment and one in the aft storage compartment (row 22, port side).
In Combi mode: there is only one megaphone on board and it is located in the aft passenger/cargo overhead compartment (row 22, port side).
h. Personal Breathing Equipment (PBE)
Function and location:
There are three kinds of personal breathing equipment used: a smoke hood with an oxygen generator, the portable oxygen tank with an attached mask, and the portable oxygen tank with a detached disposable oxygen mask. A total of 5 smoke hoods are located in the aircraft: one in the flight deck, one in the forward galley storage compartment, one in the aft overhead storage compartment (row 22,port side), and two located in the aft galley storage area. There are a total of 4 portable oxygen bottles with disposable masks. Two in the forward galley area and Two located in the aft overhead compartment (row 22, port side).
i. Flashlights
Function:
The flashlights will come on automatically when removed from their holding compartment are for emergency use only.
Location:
There are six flashlights located on the aircraft. There are two located under the jump-seat behind the pilot seat. There are also two flashlights located in the emergency equipment compartment on the portside of the aircraft above the 2LM seat. In the aft galley, located above each 2LM jump-seat is an additional flashlight.
Function:
To pressurize the aircraft in flight at high altitudes with adequate air density to sustain life, by forcing air into the aircraft and controlling the rate at which air flows out of the aircraft.
Location:
In the E & E compartment No. 1, located on the E2 rack and No. 2 ins on the E4 rack.
b. Outflow valve
Function:
The cabin pressure relief system is a fail safe system. It allows normal pressure to flow out of the aircraft at a steady rate. The cabin pressure relief system has these components: Two positive pressure relief valves and Negative pressure relief valve.
Location:
The outflow valve is on the aft right fuselage skin, below the aft service door.
c. Pressure relief valve:
1. Positive
Function and Location:
The positive relief valves prevent over pressure damage to the airplane structure. There are two positive pressure relief valves. They are on the lower, aft airplane fuselage. One valve is on each side of the aft outflow valve.
2. Negative
Function and Location:
The negative pressure relief valve prevents negative differential pressure (vacuum pressure) damage to the airplane structure. The negative pressure relief valve is on the lower aft fuselage, on the left side, near the aft service door.
The air-conditioning system is to control the interior environment of the airplane for the flight crew, passengers, and equipment.
Location:
Components are located throughout the aircraft.
Function and Location:
The Engine/Auxiliary Power Unit (AUP) fire extinguishing bottles contain halon that extinguishes and APU fire. The APU fire extinguishing bottle is in the horizontal stabilizer accessory compartment.
b. Electrically fired cartridges (squibs)
Function Location:
The squib is used to break the diaphragm in the bottle and start the release of the halon gas. The squib is located in the discharge assemble at the bottom of the fire bottle.
c. Fire detection loops
Function and Location:
The loop operation is if an engine overheat/fire detector fails to operate, the engine and APU fire detection module automatically changes to single loop operation. The module itself is located in the E & E compartment E2-2 shelf.
d. Cargo compartments:
1. Main deck
Function and Location:
To give warnings to the flight deck of fire and smoke in the cargo deck. There are 7 components of the main deck cargo compartments smoke detection system whose function is to give warnings to the flight deck of fire and smoke in the cargo deck. The main deck cargo compartment has 14 cargo smoke detectors. There are six detectors in the forward section, three for loop A and three for loop B. There are eight detectors in the aft section, four for the loop A and four for loop B. The smoke detectors are in the overhead areas. You must lower the ceiling panel to get access to the main deck cargo smoke detectors.
2. Forward/aft
The function and location information are located above combined with the main deck information.
e. Wing/body overheat
Function and Location:
The wing and body overheat detection system uses sensing elements adjacent to the pneumatic ducts. When the system detects an overheat condition, alarm indications turn on in the flight compartment. The overheat detection controller is in the E & E compartment in the E1-4 rack.
a. Oxygen supply cylinders
Function and Location:
The oxygen cylinder stores the oxygen for the flight crew system. They are green in color. The crew oxygen O2 bottle is located in the lower forward cargo compartment behind a panel, and the two passenger O2 bottles are located in the lower aft cargo compartment behind the aft panel.
b. Crew mask/regulator
Function and Location:
The flight crew oxygen masks supply each crew member with an independently adjustable source of oxygen. The flight crew oxygen masks are identical modular units. The pilot oxygen masks are held in stowage boxes. The observer oxygen masks are held in stowage cups. The stowage cups do not have the features of the stowage boxes. The flight crew oxygen masks are outboard of the crew seat, and the regulator is on the lower part of the mask.
c. Passenger oxygen masks
Function and Location:
The passenger oxygen system uses chemical oxygen generators are in the passenger service units. Each chemical generator is separate and supplies on the masks. The masks are located in the overhead directly above the passengers seats and are automatically released if there is drop in cabin pressure or they can be manually released by the flight deck.
d. Oxygen generators
Function and Location:
The oxygen generators supply emergency oxygen to the passengers and the flight attendants. The oxygen generators are located in the fwd attendant and fwd lavatory service units.
204.3 PARAMETERS/OPERATING LIMITS
204.4 SYSTEM INTERFACE
204.5 SAFETY PRECAUTIONS
204.5.1 What special safety precautions apply to:
b. Squibs
Make sure there are caps or shunt plugs installed on the squibs when you touch or move the squibs. The squib is an explosive device and can cause injury if it is accidentally fired
c. Halon
When discharged, Halon depletes all oxygen. It is critical that Halon is never used if in an enclosed area. If discharged in an enclosed area, Halon could cause death.
ssmcgown@yahoo.com
LS2(AW) Suzanne S. McGown
flygal46@yahoo.com
AZC(AW/NAC) Kimberly King