When a power demand Pe* is not less than a preset reference value Pref2 in a vehicle stop state, a target rotation speed Ne* of an engine is set to a rotation speed of not lower than a relatively low minimum rotation speed Nemin2. The blade outer air seal has at least one circumferentially extending barrier separating the leading channel into a forward portion and an aft portion. During use, a request to transfer the conference to a second medium is received utilizing the network.