An aircraft having a hybrid power source comprising: - at least two horizontal drive thrusters (26, 36) each powered by a respective electric motor (24, 34), forming at least two respective horizontal drive units (6, 8), - at least four pairs of vertical take-off/landing rotors (42, 44, 46, 48, 72, 74, 76, 78) each powered by a respective electric motor (52, 54, 56, 58, 82, 84, 86, 88), and at least four power sources (50, 60, 80, 90) each connected to a respective electric motor (52, 54, 56, 58, 82, 84, 86, 88) of a pair of vertical take-off/landing rotors (42, 44, 46, 48, 72, 74, 76, 78), each pair of rotors (42, 44, 46, 48, 72, 74, 76, 78) forming with the corresponding respective electric motors (52, 54, 56, 58, 82, 84, 86, 88) and power source a vertical drive unit (10, 12, 14, 16), each vertical drive unit (10, 12, 14, 16) comprising a power supply bus whose output can be connected to a single horizontal drive unit (6, 8), the number of vertical drive units (10, 12, 14, 16) being such that each horizontal drive unit (6, 8) can be connected to at least two vertical drive units (10, 12, 14, 16) via a respective switch (28, 38) disposed at the input of the horizontal drive unit (6, 8), - at least two power generation sources (18, 20), each connected on the one hand to each of the power supply buses by a respective input of the corresponding vertical drive unit (10, 12, 14, 16), and on the other hand to each horizontal drive unit (6, 8) via the respective output of each vertical drive unit (10, 12, 14, 16), - at least one power supply command arranged to send a power command to the power generation sources (18, 20) according to the power requirements of the vertical drive units (10, 12, 14, 16) and/or of the horizontal drive units (6, 8), the power sources (50, 60, 80, 90) supplying electricity according to the difference between the power requirements of the vertical drive units (10, 12, 14, 16) and/or of the horizontal drive units (6, 8) and the power emitted by the power generation sources (18, 20) based on the power command, the power generation sources (18, 20) being further suitable for recharging the power sources (50, 60, 80, 90), such that the power sources (50, 60, 80, 90) are passively controlled. - at least two horizontal drive thrusters (26, 36) each powered by a respective electric motor (24, 34), forming at least two respective horizontal drive units (6, 8), - at least four pairs of vertical take-off/landing rotors (42, 44, 46, 48, 72, 74, 76, 78) each powered by a respective electric motor (52, 54, 56, 58, 82, 84, 86, 88), and at least four power sources (50, 60, 80, 90) each connected to a respective electric motor (52, 54, 56, 58, 82, 84, 86, 88) of a pair of vertical take-off/landing rotors (42, 44, 46, 48, 72, 74, 76, 78), each pair of rotors (42, 44, 46, 48, 72, 74, 76, 78) forming with the corresponding respective electric motors (52, 54, 56, 58, 82, 84, 86, 88) and power source a vertical drive unit (10, 12, 14, 16), each vertical drive unit (10, 12, 14, 16) comprising a power supply bus whose output can be connected to a single horizontal drive unit (6, 8), the number of vertical drive units (10, 12, 14, 16) being such that each horizontal drive unit (6, 8) can be connected to at least two vertical drive units (10, 12, 14, 16) via a respective switch (28, 38) disposed at the input of the horizontal drive unit (6, 8), - at least two power generation sources (18, 20), each connected on the one hand to each of the power supply buses by a respective input of the corresponding vertical drive unit (10, 12, 14, 16), and on the other hand to each horizontal drive unit (6, 8) via the respective output of each vertical drive unit (10, 12, 14, 16), - at least one power supply command arranged to send a power command to the power generation sources (18, 20) according to the power requirements of the vertical drive units (10, 12, 14, 16) and/or of the horizontal drive units (6, 8), the power sources (50, 60, 80, 90) supplying electricity according to the difference between the power requirements of the vertical drive units (10, 12, 14, 16) and/or of the horizontal drive units (6, 8) and the power emitted by the power generation sources (18, 20) based on the power command, the power generation sources (18, 20) being further suitable for recharging the power sources (50, 60, 80, 90), such that the power sources (50, 60, 80, 90) are passively controlled.