ATR 42-300 Aircraft Handling Manual – Cargo Configuration LY-ETM PDF

Description

ATR 42-300 Aircraft Handling Manual – Cargo Configuration LY-ETM

This ATR 42-300 Aircraft Handling Manual is the complete refresher reference for the cargo-configured airframe registered LY-ETM. It pairs the operational ground-handling content a ramp or loading crew needs with the technical systems coverage a line technician uses on the ATR 42-300, from weight and balance definitions and cargo compartment limits through to the pneumatic, air conditioning and pressurization chapters and the Centralized Crew Alerting System. The ATR 42-300 Aircraft Handling Manual is written for the LY-ETM cargo build and every procedure, limit and schematic inside it reflects that specific aircraft configuration.

File Details

• Manual type: Aircraft Handling Manual / refresher manual
• Brand: ATR
• Model: ATR 42-300
• Registration covered: LY-ETM (cargo configuration)
• Language: English
• Page count: 792 pages
• File format: PDF
• Revision dates visible: DEC 95 through NOV 01

Chapters Covered

• General – List of aircraft, exterior dimensions, ground clearance, weight and balance definitions
• Aircraft Limitations and Features – Certificate limitations, aircraft gross weight limitations, performance operating weight, standardized weight and index, standard weight per crew, last minute change
• Aircraft Servicing – Arrangement of ground handling equipment, servicing points, external power, connecting and disconnecting external power (flight deck manned and unmanned)
• Loading – Cargo compartment, cargo compartment specifications, cargo compartment limits, package size dimensions, cargo compartment floor capability, loading precautions, restraint requirements, ATR loading
• Aircraft General – Cockpit, doors (rear entry, service, cargo, avionics hatch, cockpit communication hatch), internal doors, emergency exits, lighting, water and waste system
• Centralized Crew Alerting System (CCAS) – Alert levels, controls, operation, MFC logic
• Air – Pneumatic system, air conditioning, pressurization

Read end to end, the ATR 42-300 Aircraft Handling Manual walks a cargo ramp team from the physical dimensions and ground clearances of the airframe, through the certificate weight limits (max taxi 17,070 kg, max zero fuel 15,540 kg, max take-off 16,900 kg, max landing 16,400 kg for LY-ETM), into the loading rules that protect the airframe from tip-up and crash-net penetration, then switches to the systems knowledge a technician refresher needs – bleed air architecture, pack valves, outflow valves, emergency lighting and the CCAS alert hierarchy.

Weight and Balance Reference Built In

The ATR 42-300 Aircraft Handling Manual devotes its first technical block to the weight and balance vocabulary a load controller actually works with: basic weight, dry operating weight, deadload, operating weight, payload, zero fuel weight, take-off weight, maximum taxi weight, and the index system (basic index, dry operating index, laden index for zero fuel and take-off weight). Percentage of MAC is defined for zero fuel weight, take-off weight and dead load weight, so every loadsheet figure ties back to a definition in the manual.

The standardized weight and index tables in this ATR 42-300 Aircraft Handling Manual give the cargo index values across the six standard freight zones A through F, with zone weight limits of 1,270 kg in zone A and 1,220 kg in zones B, C and D, up to 1,400 kg in zone E and 1,500 kg in zone F. Fuel index values are given across the 0 to 1,500 kg fuel range in 50 kg increments. This is the reference data a loader uses when a last-minute change has to be reconciled against the loadsheet before departure.

Cargo Loading Rules and Precautions

The loading chapter of the ATR 42-300 Aircraft Handling Manual spells out the ATR 42-300’s nose-heavy character and the consequence for ground loading – no tail stand is provided, and stations 17319 and 19557 in compartment F must be loaded last and unloaded first to prevent a tip-up. Empty ferry and light-loaded flights call for ballast weights. Freight must never be loaded above the red water mark 64 inches above the floor. Piercing or penetrating cargo must sit at least 4 1/4 feet aft of compressible cargo (density below 15.6 lb/cu ft) so it cannot punch through the crash nets under a 9G forward load. Restraint requirements are tabulated at 9.00G forward, 3.00G up and 3.00G side.

Cargo compartment specifications are given in both imperial and metric terms – height 68.9 inches, floor width 89 inches, length 45.44 feet, usable cargo volume 1,533 cubic feet, maximum floor loading 81.9 lb/sq ft. Door clear openings are listed for the large cargo door (116 in x 71 in) and the rear door (27 in x 50 in). The ATR loading summary puts total cargo volume at 41.9 m³ (1,478 cu ft) with a maximum net payload of 5,300 kg (11,684 lb).

Servicing and Ground Handling Equipment

The servicing chapter of the ATR 42-300 Aircraft Handling Manual shows where ground handling equipment connects on the ATR 42-300 – fuel tanker, electrical ground power unit and ground loader – and identifies the air conditioning, electrical, fuel, hydraulic and oil engine servicing points from the top view. The external power section sets the DC GPU requirement at 300 to 400 amps steady at 28 volts for normal electrical services, with an additional 1,000 amp starter current at more than 12 volts for engine start. The CAUTION on the DC EXT PWR voltage threshold (below 26 V means the GPU must be treated as completely unusable) is included along with the WARNINGS on disconnecting live external power and open earth grounded neutrals.

Doors, Lighting, Air Systems and CCAS

The doors block of the ATR 42-300 Aircraft Handling Manual covers the rear entry door (64 cm x 1.73 m net opening with folding hand-rails), crew entry door (embedded in the large cargo door), service door (69 cm x 1.27 m, maintenance only), the hydraulically powered large cargo door with normal and back-up actuation modes, forward avionics compartment access hatch, cockpit communication hatch, and the cockpit and cabin emergency exits. External and internal operating panels for the cargo door are explained with the light logic (CARGO DOOR ARMED, CARGO DOOR LCHD, ON BAT, CRG BAY LT ON/OFF) and step-by-step opening and closing procedures, plus hand-crank manual operation for actuator failure.

The lighting chapter lays out exterior lighting (navigation, taxi and take-off, landing, wing, beacon, strobe, optional logo), cockpit lighting, cabin signs, emergency lighting with photoluminescent evacuation path marking and 6V integral batteries, and the EXT LT, SIGNS, ANN LT, LT and FLOOR, MIN CAB LT and side panel controls. The air systems chapters take a technician through pneumatic system architecture (LP/HP bleed, crossfeed, leak detection at 124°C or 153°C depending on revision, overheat at 274°C), air conditioning packs, temperature control, recirculation fans, avionics ventilation, and pressurization with the digital controller, manual controller, DUMP, DITCH and descent rate functions. The CCAS chapter defines the four alert levels (warning, caution, advisory, information), the MW/MC lights, CAP lights, TO INHI, RCL and CLR pushbuttons, aural alerts and the aural priority order.

What This Manual Lets You Do

With the ATR 42-300 Aircraft Handling Manual in hand, a cargo ground crew can determine the aircraft’s weight limits and performance operating weight for a given flight, calculate index values from the standardized cargo and fuel tables, work out %MAC for zero fuel and take-off weight, load the aircraft correctly with the compartment F sequence respected, and reconcile a last-minute change within the ±300 kg tolerance before a new loadsheet is needed. A line technician can connect and disconnect external DC power using the flight deck manned and unmanned procedures, operate the large cargo door from the external or internal panel, and troubleshoot the pneumatic, air conditioning and pressurization systems using the schematics and MFC monitoring logic in the air chapters. A crew member can work through the CCAS alert levels and the correct response to a CAP light and its associated aural.

Correct procedures and correct weight and balance figures matter on the ATR 42-300 because the airframe is nose-heavy by design and has no tail stand – the wrong loading sequence or a misread index table is the difference between an uneventful turnaround and a tip-up on the apron. The ATR 42-300 Aircraft Handling Manual gives the exact sequence, the exact limits and the exact index data as published for the LY-ETM cargo build, so the figures you compute match the figures the loadsheet expects.

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