When a full flight simulator does not meet its certificate parameters, a critical failure is logged and discrepancies are identified. It is expected that the repairs or component replacement should be delivered within 4 hours. If the training does not stop, but it lowers the quality of the training – up to 24 hours. Those broken FFS parts which lower the quality of training, or cease a training session all together are called critical components.
Best to rely on experience
However, there are some parts that do not break as often, yet they are critical parts in a FFS. If such part breaks, a repair or replacement is speedily required. Parts like this are avionics – these parts are one of the most expensive parts you can find in a FFS. A new part can reach up to over 200, 000 euros: