Unit (1) : Introduction
1.1 – Introduction for ATR Aeroplanes
The ATR Aeroplanes have narrow-bodied, twin-turboprop, short-haul regional airline built by the Franco-Italian aeroplane manufacturer ATR (Avions de Transport Regional) based in Toulouse-Blagnac, France.
The areoplane fuselage and tail section are manufactured near Naples. Italy wings are assembled near Bordeaux – France.
The engines are Pratt and Whitney and the propellers Hamilton standard.
Final assembly, flight testing, certification and delivery are done in Toulouse.
Several different series have been produced over the years with different configurations and engines performances. The main ones including ;
(1) 1984-1998 : ATR 42/300 and 72/200( 1st generation aeroplane )
(2) 1995-2011 : ATR 42/500 and 72/500( more than 900 units )
(3) 2011-onward : ATR 42/600 and 72/600( latest generation )
ATR aeroplane generally offers a signal class configuration and is operated by;
- (1) Two Flight Crew and One Cabin Crew on ATR 42.
- (2) Two Flight Crew and Two Cabin Crew on ATR 72.
There are Three Cargo compartments installed on the ATR. The cargo compartments have the particularly to be accessible from the cabin. Two of them are located between the flight crew compartment and the cabin area and one is located at the rear of the aeroplane.
Overhead Bins / Compartments
The aeroplanes are equipped with overhead compartments above each row of seats.
The maximum weight thatan overhead compartment cansupport will be indicated on aplacard inside the compartment ( from 20 to 40 kilogramsaccording to the aircraft model and location ).
Passengers’ Seats and Row Identification
- Passengers’ seats are identified alphabetically, rows are identified by numbers.
- The cabin counts 4seats abreast and the number of rows will vary depending on the seat pitch.
- The standard ATR 42 seating configuration usually consists in 48 seats at a pitch of 76.2 cm (30 inches).
- The ATR 72 consists of 68 seats with a pitch of 78.74 cm (31 inches).
- According to the type certification process, the maximum seating capacity is 60 passengers for the 42 series and 74 passengers for the 72 series.
Flight Crew Compartment / Cockpit
- The access to flight crew compartment is done through the forward cargo area.
- A lockable door separates the cabin from the cargo area; it opens forward into the cargo.
- A bulletproof door separates the cargo area from the flight crew compartment.
Forward Cargo Compartments
- Forward cargo compartments baggage loading and off-loading is done through the dedicated cargo door, FWD left hand side.
- The forward cargo door is not an emergency exist.
- The forward cargo area being the separation area between the cabin and the flight crew compartment.
The Passenger Service Unit (PSU)
PSU is equipped with
- (1) Cabin crew call button
- (2) An air outlet
- (3) No smoking and Fasten Seat Belt Signs
- (4) A passenger reading lights
- (5) A speaker system
- Galley should be secured at all times.
- Galley setting will vary according tothe airline’s requests.
- Galley option consists hot jugs power supply, water heater, oven, half size trolley with 6 standard drawers.
- The main galley is located on the rear right hand side of the aeroplane (next to the service door) and usually equipped with;
1. A waste bin with a flap cover
2. Working foldaway table
4. Metal containers
5. Hot jugs (28V DC – 125 W – 7.5 Litres
- The lavatory is located at the rear left hand side of the aeroplane.
- The lavatory door is a regular type door (not a bi-fold type door).
- The door can be locked or unlocked from inside or outside the lavatory.
- A lavatory layout is composed of,
1) A toilet bowl
2) A lavatory service unit (LSU)
3) An amenity compartment
4) A toilet flash button
5) A lavatory waste bin
6) A mirror
- A lavatory service unit (LSU) is composed of,
1) An air outlet
2) A cabin crew call button
3) A return to seat sign
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