Cabin Interior And Ice and Rain System

Malaysian Institute of Aviation Technology
AIRCARFT
CABIN INTERIOR AND
ICE & RAIN SYSTEM
ATA25-Equipment and Furnishing
ATA38-Water and Waste System
ATA30-Ice and Rain System
.

Malaysian Institute of Aviation TechnologyPassenger Compartment Seat

Authority Requirement:
 Comfort
 Convenience
 Safety
Cabin Interior

- Design aspect - comfort, safety.
Comfort – environmental
- Temperature about 20 degree C
- air change 12.5 times per hrs for a/c;
- house/room 2.5 times per hr. ,
- press. ascending rate max. 0.26psi/minute or
500feet. ,
- descending max. 0.16psi/minute or 300ft.
Safety – Seat, Equipment , Systems.
CABIN INTERIOR

FLIGHT COMPARTMENT
EQUIPMENT

PURPOSE
 provide safety and comfort for:
- captain, first officer and observers.
Includes these items:
* Panels
* Emergency equipment
* Stowage provisions
* Other equipment.
FLIGHT COMPARTMENT EQUIPMENT

Flight compartment equipment/furnishings items:
- Flight crew seats - Drip pan
- Crash pad - Glare-shield
- Furnishings at each crew station
- Instrument panels
- Circuit breaker panels
- Linings
- Insulation
- Emergency equipment
- -Miscellaneous equipment.
FLIGHT COMPARTMENT EQUIPMENT

FLIGHT COMPARTMENT
MISCELLANEOUS EQUIPMENT/FURNISHINGS
* Map light * Interphone jacks
* Observation hole * Checklist holder
* 115v ac outlet * 28v dc outlet
* Mirror
* Radio station license holder
* Certificate holder.

FLIGHT COMPARTMENT
Emergency equipment:
* Flight crew oxygen
* Escape lanyard
* Crash axe
* Smoke goggles
* Life vest
* Fire extinguisher
* Protective breathing equipment
* Flight crew oxygen

Breathing Equipment – Smoke Hood

Malaysian Institute of Aviation TechnologyAircraft Cabin Emergency Equipment

Flight Cabin Emergency Equipment

Cabin Emergency Equipment

FLIGHT COMPARTMEN
- CAPTAIN/FIRST OFFICER SEATS
- captain or first officer seat operate the same.
- base has controls and mechanisms for
seat fore/aft position
- A five-point harness has an inertia reel style of
belt and has the option to lock the inertia reel in
position.

CREW SEAT HARNESS

• - ANO (Scale B) = (C.A.R.Malaysia) states that
• a safety belt/harness is required for all crew.
SEAT BELTS

CREW SEAT HARNESSES
- vary in design but must conform to CAA/EASA
regulations to restrain the pilot in all foreseeable
emergency situations.
• -The harness consists of:
• # a shoulder harness assembly,
• # right and left hand abdominal belts,
• # centre strap, release buckle, a harness reel and an
operator unit assembly.
• - The straps are made of nylon webbing.
SEAT BELTS

Flight Deck Seats
• Equipment includes:
* Lateral and vertical seat adjustment.
* Adjustable lumber support thigh pads.
 Arm rests that can be stowed out of the way for access
and emergencies.
 Seat cushions and covers that meet fire safety tests and
regulations defined in A N and do not impede flying
control movement.
* Electrically powered adjustments, most older types of
aircraft seat adjustment is manual.

Four bogie units hold the base to seat tracks.
 Rollers in each bogie unit.
A spring-loaded track lock mechanism.
 The aft end of each seat track curves outboard
allows the seats to move outboard in the last five
inches of travel.
Flight Deck Seats

SEAT RECLINE
• Using the seatback recline control lever then push
aft on the seat back.
ARMREST HEIGHT AND STOWAGE
• knobs are under the forward end of the armrests.
• Turn the knob to move the armrest up or down.
When the armrest is up as far as it will go, you can
push it in toward the center of the seat.

BACK CUSHION (LUMBAR SUPPORT)
POSITION
• The hand wheel on the left side controls the
up/down movement, the right hand wheel ,
control the position of the back cushion
in/out movement.

SEAT MAINTENANCE
• Flexible hook and loop fastener tape secures the seat
covers to the seat.
• Do operational checks with a person in the
seat 77kg(170 pounds minimum weight).
• To remove the flight crew seats, remove stops on
the inboard seat tracks and slide the seats
forward off the track.

Maintenance
Belts.
- Check for security, wear, damage and correct
operation of quick release mechanism.
- Sit in the seat, strap yourself in and lean forward
the release mechanism should release
without too much force.
- Inertia reel type belts check the inertia reel
by giving the belt a quick tug and it should lock.

Maintenance
Belts.
- Check the operation of any manual locking
and any ratchet mechanism.
- Check belt webbing for fraying-include all the
webbing down to the inertia reel unit.
Initial reel assembly.
- Check for security, damage and correct operation.

Maintenance
• Seat Structure.
- Check for damage, corrosion and security.
- Check seat security to the floor. If the seat slides in
floor runners check these for damage, corrosion, wear
and cleanliness.
- Check all seat adjustments for full and free range of
adjustment and check that in each position it locks
securely in place.

Maintenance
Seat electrics - electrically adjustable check :
# adjustments work correctly.
# motors and cables for security, damage,
signs of overheating and contamination.
Cushions - Check for :
# damage, cleanliness, security and check that
they are dry.
# with the seat in the forward most position,
that the cushions do not foul the controls.

Purpose
• supply crew stations for extra crew
members.
First Observer Seat
• Consists of these parts:
* Seat back * Safety harness
* Seat bottom cushion
* Retractable pins * Metal frame * Hinge.
Observer Seats

First Observer Seat
• Foldable type with metal frame holds the seat
bottom cushion, two retractable pins on the left
side of the seat bottom to secure the seat to the
adjacent wall when in use.
• Seat automatic spring up to stowage when not in
used.
• seat bottom cushion is a buoyant material and is
an approved flotation device.
• seat has a shoulder harness, crotch strap, and
lap belt.

LINING
Purpose
• cover the interior structure of the flight compartment
and provide an attractive, smooth, easy-to-clean
surface.
Physical Description
• are crushed-core composite panels with a decorative
stain-resistant covering.
• Quick-release fasteners or screws attach the linings to
the flight compartment walls and ceiling.
Location
• cover wall and ceiling except these areas:
* Instrument panels * Circuit breaker panels
* Flight compartment bulkhead.

INSULATION AND DRIP PAN
Purpose
• Reduces sound and heat transfer through the flight
compartment walls.
• Drip pan removes condensate from the flight
compartment ceilings, protects electrical equipment
from water damage.
Physical Description
• insulation blanket consists of fiberglass batts
cemented between trim fabric and backing fabric.
• are sewn and sealed with cement to keep out
moisture and oil.

DRIP PAN
# is a plastic pan with insulation blankets.
# mounts to the structure above the overhead
instrument panel to insulate the area and
make sure there is proper drainage.
# Condensation collects on the outboard side
of the drip pan and drains through
tubing into the airplane drain system.

PASSENGER COMPARTMENT EQUIPMENT
 Cabin Attendant Stations
 Attendant Service Units (ASU)
 Passenger Service Units (PSU)
 Passenger Seat
 Seat Belt
 In Flight Entertainment (IFE)
 Other

PASSENGER COMPARTMENT
Purpose
• - Provide comfort, convenience, and safety of
the passengers and cabin attendants.

Purpose
-Provides a workstation and seats for the cabin attendants.
Physical Description/Location
-Near the forward entry door.
- has accommodations for two attendants and includes these
items:
Double seats
- - Stowage provisions - Attendant handset
- - Attendant panel - Boarding light
• - Service unit
CABIN ATTENDANT STATION

- located near the main aircraft exits
-(by regulation the seated attendant must be
able to see the passengers for which he/she
is responsible and must face forwards or
backwards)
- and will fold up out of the way automatically
as soon as the person gets up.
- capable of withstanding the normal static
loads plus the acceleration
- (positive and negative) forces.

• - Compartments below the seat bottom provide
stowage for life vests and flashlights.
• - attendant handset is between the headrests.
• - attendant panel is above the headrests.
• - A boarding light is above each entry door.
• - An attendant service unit is in the ceiling above
the cabin attendant station consists of:
- Oxygen mask (2)
- Oxygen generator
- Door latch actuator
- Test stop button.

• - is spring-loaded to stowed position.
• - cushions attach to the seat assembly with
• hook-and loop tape.
• - cushions are removable for use as flotation
• devices when necessary.
• - Each seat has a shoulder harness and seat belt
• restraint system.
• - seat cushion, backrest, and headrest assemblies
have fire retardant material.
CABIN ATTENDANT SEAT

- Locked into the seat track in a similar way to
passenger seats.
- Under the seat is used for stowage of
emergency life jacket.
- Inspection of seats follows a similar pattern
to other seats. Additional test is to check that the
seat pan folds correctly and unaided.
(normally sprung loaded).
• - If the seat pan remain down it cause an obstruction
to an emergency exit.
FLOOR MOUNTED ATTENDANT SEAT

PASSENGER
SERVICE UNITS
(PSU)

- Contain the following equipment:
- Fresh air supply (gasper air)
- passenger louvers.
- Oxygen supply line and mask for passenger during
emergency.
- Oxygen masks fall out automatically
if cabin altitude rises above10,000ft.
- Reading lights etc.
PASSENGER SERVICE UNITS

- Attendant call light.
- Lights when the attendant call button is
pressed on the seat arm.
- Also lights a lamp at the attendant's position.
- also be connected to the In-flight
Entertainment System so that on TEST MODE it
will light if the seat is receiving the audio
signal.
-When IFE TEST is pressed all attendant lamps
should light.
- Speakers.
- Information signs (toilet engaged, fasten seat
belts etc.)
PASSENGER SERVICE UNITS

PASSENGER SEAT DIMENSIONS
Minimum Seat Pitch

Minimum Seat Pitch
• CAP747 -require the minimum distance between the
seat cushion and any other seat back or fixed
structure is 26” (66cm) dimension “A”. (next slide)
• - Dimension B must be a minimum of 7” (18cm)
• distance the passengers leg has to move from
• thigh support to seat back.
• - vertical separation between seats must
• not less than 3” (7.5cm) includes the seat
• in the reclined position.
PASSENGER SEAT

Minimum Seat Pitch
# Emergency exits (over-wing small and slightly
larger exits) the clearance has to be increased,
vertical separation between seats at these locations
must not reduce below 10” (25.5cm).
# To prevent head injury of passengers as they
impact their head on the seat in front under heavy
braking the row of seat after emergency exits must
be able to break forward.
PASSENGER SEAT

• - Over-wing emergency exit points, in emergency,
people will climb over the seats to get out and if
seats were to fold a crush would hamper the
evacuation, so these seat backs will not fold
forward.
• - CS25 specifies aisle width which will depend on
seat numbers. Maximum numbers of seats
abreast in a single aisle aircraft is 3.
PASSENGER SEAT

• The minimum number and size is specified in
CS25 and are related to the seating capacity of
the aircraft:
Passenger seats Number
1 to 19 1
20 to 79 2
80 to 139 3
140 to 179 4
Cabin Emergency Exits

BUSINESS CLASS / FIRST CLASS SEAT
PASSENGER SEAT - EQUIPMENTS

SEAT RECLINE

SEAT FACILITIES

ECONOMY CLASS SEAT

SEAT INSTALLATION and REMOVAL

• - clamped to the floor seat tracks
a hollow extrusion with a series of
holes in it at 1” (25mm) pitch.
• - seat locating lugs are placed in
through the holes in the track
then moved 1/2” (12.5mm)
forward to allow the feet of the lug
to lock into place.
• - A locking tab prevents the seat
from moving forwards or
backwards once locked.
SEAT INSTALLATION and REMOVAL

SEAT TRACK CABLING

Fitted equipment vary considerable, some equipment
is mandatory.
- Seat belts - requirement for all seats, to be a
minimum of a lap strap but can be a lap and
shoulder strap or a full harness on some seats.
- Cushions covered with fire resistant material.
- Centre head rest - may be adjustable.
- Side head rests - may be adjustable.

• Floor and passenger seat
- Minimum strength defined in FAR Part25
( a/c heavier than 5.700kg)
• upwards 2.0g
• forward 9.0g
• sideward 1.5g
• downwards4.5g
• test references a/c manual
• hand luggage under seat a barrier installed
79

Fitted equipment vary considerable, some equipment
is mandatory.
- In Flight Entertainment Equipment (IFE) and
reading lights.
- Games control unit - connected to the seat by a
cable.
- Telephone - may be part of the games control unit.
- A method of gaining the crew attention without
 leaving the seat.
- Folding trays - in the back of the seat or in
 the arm-rest.

- Adjustable reclining backs - in general main cabin
seats will only recline a little way whilst business
class will recline almost to a recumbent position and
first class will go all the way to make a bed.
- Arm rests may fold up out of the way on main
cabin-sets.
- Adjustable leg supports/foot supports.
- Life jacket.
- Document pocket - containing the mandatory
safety notice/s.
 .

- Floor path lighting.
# Some seats have emergency lights fitted low to
the floor illuminating emergency escape routes.
- if floor path lighting is fitted on the seat it should
be on area 4 feet below.

-Ashtray. Mandatory that it has a lid.
-Electrically powered adjustments for tilt,
recline, leg support etc. Manual seats are
manually adjusted.
-Folding drinks tray.
-Floor level luggage rail - fitted near to floor
level to prevent any luggage under the seat
moving forward in severe braking
conditions.
-Power supply for a laptop computer
PASSENGER SEAT

• - Long distance aircraft meeting current EASA fire
and safety regulations.
• - Fire regulations are the same as seats and class B
and E cargo compartments.
• - A test flame is applied for a period of time and
when removed the flame on the test material should
go out after 15 seconds. For seats etc. three test
samples should be used.
• - Berths contained in a small „bedroom‟ on the
aircraft, one for flight crew, behind the flight deck ,
one for cabin staff, at the rear of larger aircraft above
the cabin ceiling.
BERTHS

Classes of cargo compartment
Class B
compartment where there is sufficient access to allow
the use of a fire extinguisher in any part of the compartment,
without allowing smoke, flames to enter a crew or passenger
compartment.
- A smoke or flame detector is fitted to warn the flight crew.
Class E
- A compartment provided on aircraft used only to carry cargo.
Hazardous quantities of smoke, flames are prevented from
entering a crew or passenger compartment.
A smoke or fire detector system is fitted to warn the flight crew

• -Seat belts (and seats and berths) have to comply
with the strength requirements (ANO and CS-25/23)
of holding a person of l70lbs (77.1kg) safely in
various directions of aircraft movement with a
safety factor of 1.33, example, capable of holding a
l70lb (77kg) person at a 9g forward acceleration of
the body (as would happen in a crash landing)
• - Front row seats 16g as are all new aircraft.
SEAT BELTS

• - ANO (Scale B)= C.A.R.Malaysia states that
• a safety belt/harness is required for all crew and
passenger seats and special child restraints
for each child under 2 years of age.
SEAT BELTS

• - release buckle is a cylindrical housing in which the
plug-in fittings of the other straps are inserted and
automatically secured.
• -belt mechanism allow pilot to move forward
• - inertial reel assemblies the pilot is allowed to move
forward without the need to operate a lever.
• - inertial reel will lock (depending on type) when either
the aircraft slows down too quickly or the pilot
accelerates forward too quickly.
• (tested by pulling the shoulder straps forward sharply
and the belt should lock).
SEAT BELTS

PASSENGER SEAT BELT
• - Consists of two lap straps (but may have other straps
also) with metal snap hooks fitted to one end of each
to attach to the seat structure.
• - At the other end of one is a quick release mechanism
and the other one has a snap-in fitting.
• - One of the straps is adjustable for length.
• - Made of nylon webbing, quick release connection at
the seat end of the belt - which should be inspected for
correct engagement and locking.
SEAT BELTS

PASSENGER SEAT BELTS

• -Check webbing is intact, no stitching has come lose.
• - Lose stitching may be re-stitched at user unit level,
check the entire length of the webbing that runs over
the back roller on the seat, on inertia reel type belts.
• -If any member of a belt is found to be defective the
complete assembly should be replaced.
• -When not in use the harness should be properly
stowed by fasten the belts in the normal way, take up
all the adjustment and lay them on the seat.
• - Check that all operating instructions for legibility, e.g.
“Pull to Release”.
SEAT BELTS - SERVICING

• - The cables and straps of forward release
mechanisms should be inspected for kinks,
entanglement, and fraying.
• - Control lock mechanisms, pulleys, Bowden cables,
inertia reel assemblies etc, should be examined for
security, wear, freedom of movement, corrosion,
functioning and be correctly lubricated.

Repair
-return complete belt or harness to the manufacturers
-some operators have approval to carry out their own
repairs, but confined to stitching and fitment replacemen
Cleaning
- using acid free solvents, acid free soap and warm
- water solution, then rinse well with clean water and dry
with warm air.
Colour Change
- by dyed (to match the cabin decor) permission
- must be obtained from the belt manufacturer.

Proof Testing
• - After repair, specified in the maintenance
schedule, part of the belt using material in a load
bearing capacity should be proof tested to a
specific load.
• - load and the method of testing is specified by
the manufacturer.
• - but in general test load should be ½ of the
certified strength of the member under test.
• - The release should work at 1.5g.

Storage
• - belts and harnesses should be stored in clean, dry
conditions at normal room temperature and away
from direct sunlight.
• - Harnesses, other than new articles in their original
packages, which have not been tested in the last
• 12 months, should be tested before installation.

Storage
- storage period for new original packaged equipment
before they require testing is specified by the
manufacturer.
Records
- - A record should be kept in the bay of all work carried
out on the harness.
- - Harnesses should be serial numbered to identify
them against their record card.

The LOPA also gives the
minimum quantity for
dispatch of aircraft.
Each particular aircraft‟s
LOPA has to be referred
to when accounting for
all the aircraft‟s loose
and emergency
equipment.
LOOSE & EMERGENCY EQUIPMENT

LAYOUT OF PASSENGER ARRANGEMENT(LOPA)

END OF CABIN EQUIPMENTS

Item No. Item Description Material
1. SIDEWALL PANELS DECORATIVE TEDLAR COVERED
CRUSHED CORE
2. STOWAGE BINS DECORATIVE TEDLAR COVERED
HONEYCOMB
3. PASSENGER SERVICE
UNITS (PSUs)
TEDLAR CLAD ALUMINUM
4. WINDOW REVEALS
DUST COVER
SHADE
POLYCARBONATE
HARD COATED POLYCARBONATE
TEDLAR COVERED POLYCARBONATE
5. SEAT UPHOLSTERY 100% WOOL OR 90% WOOL AND 10%
NYLON
6. CARPETS
UNDERLAY
100% WOOL FACE PILE
NOMEX PAD BMS 8-242
7. RISER PANEL FACING 100% WOOL FABRIC
8. SEAT TRACK COVERS POLYURETHANE

Cabin Interior And Ice and Rain System

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