Hi all, a question about the engine modes.   Example from the BF-109 F4:   Engine modes: Nominal (unlimited time): 2300 RPM, 1.15 ata Combat power (up to 30 minutes): 2500 RPM, 1.3 ata Emergency power (up to 1 minute): 2700 RPM, 1.42 ata   Is that "up to 30 mins / up to 1 min" the absolute (cumulated) time (over the whole flight) or max continuous time? If continuous: When i reduce power to the next lower mode (e.g. after 10 mins 1.3 ata com