ATA 21
A320 Air Conditioning & Pressurisation
Fully automatic air conditioning in three zones (cockpit, forward cabin and aft cabin), supplied through two pack flow control valves and two packs into a mixing unit, with a ram air inlet for an emergency. With it, the cabin pressure control system and its outflow valve, and the avionics ventilation.
- A320 Avionics Ventilation Explained
- A320 Pressurisation System Explained
- A320 CAB PRESS SD Page Explained
185 questions in the Knowledge Trainer5 air conditioning videos
ATA 22
A320 Auto Flight & FMS
The flight management and guidance system: two FMGCs, the FCU and the MCDUs, the autopilots, the flight directors and the autothrust, and what the FMA says they are doing.
- A320 Managed Descent Explained
- A320 Approach & Automation FMAs Explained
- A320 Lateral FMAs Explained
165 questions in the Knowledge Trainer8 auto flight videos
ATA 23
A320 Communications
Radio communication on VHF and HF (and SATCOM where fitted), in voice or data, through the radio management and audio control panels; the flight, cabin and service interphones and the passenger address.
107 questions in the Knowledge Trainer
ATA 24
A320 Electrical
A three-phase 115/200 V 400 Hz AC system and a 28 V DC system. Two engine generators and the APU generator can each supply every bus bar; without them, the emergency generator supplies AC, and the batteries supply DC and AC through the static inverter.
- A320 ECAM - AC ESS BUS FAULT
- A320 Batteries Explained
- A320 Circuit Breakers Explained
119 questions in the Knowledge Trainer4 electrical videos
ATA 26
A320 Fire Protection
Fire and overheat detection for the engines and the APU, smoke detection in the cargo compartments, the lavatories and the avionics bay, and extinguishing for the engines, the APU, the cargo compartments and the lavatories.
- When Do You Discharge Agent 1?
- A320 ECAM - FWD CARGO SMOKE
103 questions in the Knowledge Trainer2 fire protection videos
ATA 27
A320 Flight Controls
Fly-by-wire with sidesticks: the ELACs, SECs and FACs, the flight control laws (normal, alternate and direct) and their protections, and the slats and flaps.
- A320 Flaps & Slats Protections Explained
- A320 FACs Explained
- Airbus Flight Control Checks Explained
345 questions in the Knowledge Trainer9 flight controls videos
ATA 28
A320 Fuel
The wing and centre tanks, their pumps and transfer valves, the crossfeed, fuel to the engines and the APU, fuel to cool the IDGs, and fuel kept in the outer tanks to relieve wing bending and flutter.
- A320: Mastering Fuel Balancing
- A320 ECAM - L TK PUMP 1+2 LO PR
- A320 Fuel Temperature Explained
112 questions in the Knowledge Trainer4 fuel videos
ATA 29
A320 Hydraulics
Three continuously operating systems, green, blue and yellow, each with its own reservoir, at 3 000 psi (2 500 psi on the RAT). No fluid passes from one system to another: the PTU passes power between green and yellow.
- A320 Yellow Hydraulic System Explained
- A320 PTU Explained
- A320 ECAM - Y RSVR LO AIR PR
108 questions in the Knowledge Trainer4 hydraulics videos
ATA 30
A320 Ice & Rain Protection
Protection for unrestricted operation in icing and heavy rain: wing and engine anti-ice, probe and window heating, and rain removal.
88 questions in the Knowledge Trainer
ATA 31
A320 Displays & Warnings
The electronic instruments (PFD, ND, the E/WD and the SD) and the ECAM, with its warnings, cautions, memos and the attention getters.
113 questions in the Knowledge Trainer
ATA 32
A320 Landing Gear & Brakes
Two main gears that retract inboard and a nose gear that retracts forward, controlled by two LGCIUs, with a hand crank for gravity extension; the nosewheel steering, the brakes and anti-skid, and the autobrake.
- A320 BSCU Explained
- A320 ECAM - LGCIU 1+2 FAULT
- A320 WHEEL SD Page Explained
128 questions in the Knowledge Trainer4 landing gear videos
ATA 34
A320 Navigation & Surveillance
The ADIRS, the radio navigation receivers and GPS, the weather radar, and the surveillance systems: the transponder, TCAS and the terrain awareness and warning system.
- A320 GPS Jamming Explained
- A320 Weather Radar Explained
- A320 ECAM - ADR 1+3 FAULT
224 questions in the Knowledge Trainer4 navigation videos
ATA 35
A320 Oxygen
A fixed oxygen system for the cockpit, a fixed system for the cabin in a depressurisation, and portable oxygen in the cockpit and the cabin for protection and first aid.
79 questions in the Knowledge Trainer
ATA 36
A320 Pneumatics & Bleed
High pressure air from the engine bleeds, the APU's load compressor or a ground connection, for air conditioning, engine starting, wing anti-ice and more; two BMCs, the crossbleed valve and the leak detection system.
119 questions in the Knowledge Trainer
ATA 49, 70 to 80
A320 Power Plant & APU
The engines of the A320ceo (CFM56 or IAE V2500) and the A320neo (CFM LEAP-1A or Pratt & Whitney PW1100G), their FADEC, the thrust levers and the reversers, engine starting, and the APU.
- A320 Thrust Reversers Explained
- A320 Engine Failure @ Thrust Reduction Altitude
- A320 Compressor Stalls Explained
176 questions in the Knowledge Trainer5 engines videos
General
A320 Aircraft General
The aircraft as a whole: its dimensions, doors and windows, the flight deck's layout, and the general information the FCOM begins with.
104 questions in the Knowledge TrainerThe FCOM's abbreviations, free
Procedures
A320 Procedures & Techniques
The standard operating procedures, the abnormal and emergency procedures, and the techniques of the FCTM, from the cockpit preparation to the parking.
126 questions in the Knowledge TrainerThe memory items, free
Limitations
The limitations of the FCOM (speeds, weights, winds and the systems' own figures) and the performance a line pilot works with.
116 questions in the Knowledge TrainerThe limitations, free
Each system's description is ours, written from the FCOM's own description of it. Your aircraft's FCOM and your operator's procedures always come first.
