✓START WITH THIS GUIDE Learn the simulator controls first, then enter the original APU simulator and operate it yourself.
APU
Interactive Aircraft APU Simulator
Start the APU, follow the airflow and see how it powers aircraft systems
Visibility Layers
EXPLORE
Fault Scenarios
CHALLENGE
APU Control Panel
COCKPIT
APU MASTEROpens intake door, wakes the ECU
APU GENConnect generator to aircraft bus
APU BLEEDRelease compressed air to systems
Normal shutdown removes load, closes bleed, cools the APU and then cuts fuel. Emergency shutdown cuts fuel instantly — use only for a real emergency.
Electrical Loads
GEN OFFLINE
Bleed-Air Destination
BLEED OFF
APU SYSTEM OFFRPM 0%EGT 15°CAPU AVAIL
The APU lives in the unpressurised tail cone, behind a firewall, with its own intake door and exhaust.
Click any component for details · Use the toggles (Explore) to show labels & flow paths
INTAKE
CRANKING
IGNITION
ACCELERATION
AVAILABLE
AIRCRAFT APU
Installed onboard, in the tail cone
Burns fuel from the aircraft's own tanks
Supplies electrical power to the buses
Supplies bleed air for cabin A/C and engine start
Travels with the aircraft — works at any airport
GROUND POWER UNIT (GPU)
External cart or fixed gate equipment
Available only at the airport stand
Mainly supplies electrical power
Separate air-start unit needed for engine cranking
Saves APU fuel and wear while parked
Choose a power source above and see what the aircraft can — and cannot — do with it.
Live Instruments
T+00:00
APU SPEED
0%
STOPPED
Exhaust Gas Temp
15°C
COLD
Oil Pressure
0PSI
LOW
Fuel Flow
0KG/H
Bleed Pressure
0PSI
BLEED OFF
Generator Output
0V
VOLTAGE
0HZ
FREQUENCY
0%
ELEC LOAD
ECU Monitor
STANDBY
APU Speed
Exhaust Temp
Oil Pressure
Fuel Flow
Generator Load
Bleed Demand
Intake Door
Fire Warning
ECU standby. Set the APU MASTER switch to ON to begin.
APU Output
DASHBOARD
FUEL ENERGY
▼
HOT GAS ENERGY
▼
SHAFT ROTATION
▼
ELECTRICAL POWER + COMPRESSED AIR
Electrical Output
0%
NO SYSTEMS POWERED
Pneumatic Output
OFF
—
Information
SYSTEM CARD
Click a component on the APU cutaway to learn what it does, its role during startup, and what happens if it fails.
INTERACTIVE AIRCRAFT APU SIMULATOR
Start the APU, follow the airflow, and see how one small turbine engine powers the whole aircraft on the ground — electricity, cabin air and engine-start air.