A hybrid aircraft comprising: a fixed-wing propulsion system; a multirotor propulsion system, the multirotor propulsion system comprising: a propeller coupled to a motor shaft; and a motor, operable to drive the propeller using the motor shaft; characterised in that the hybrid aircraft further comprises a magnetic orientation detent, the magnetic orientation detent comprising: a plurality of magnets (322a-b) coupled to a portion of the motor shaft distal from a portion on which the propeller is mounted, the motor shaft being selectively rotated by a motor, that is disposed between the plurality of magnets (322a-b) and the propeller, the plurality of magnets (322a-b) spaced away from and outside of the motor and arranged around the motor shaft with alternating polarity and with magnets on opposite sides of the motor shaft having the same polarity; and a detent magnet spaced radially from the plurality of magnets and on a structure of the hybrid aircraft, the detent magnet configured to magnetically couple to at least one of the plurality of magnets (322a-b), the detent magnet configured to prevent the propeller from rotating when power is removed from the motor, the at least one of the plurality of magnets, when magnetically coupled to the detent magnet, orienting the motor shaft in a direction such that the propeller is held in line with a direction of flight of the hybrid aircraft. a fixed-wing propulsion system; a multirotor propulsion system, the multirotor propulsion system comprising: a propeller coupled to a motor shaft; and a motor, operable to drive the propeller using the motor shaft; characterised in that the hybrid aircraft further comprises a propeller coupled to a motor shaft; and a motor, operable to drive the propeller using the motor shaft; characterised in that the hybrid aircraft further comprises a magnetic orientation detent, the magnetic orientation detent comprising: a plurality of magnets (322a-b) coupled to a portion of the motor shaft distal from a portion on which the propeller is mounted, the motor shaft being selectively rotated by a motor, that is disposed between the plurality of magnets (322a-b) and the propeller, the plurality of magnets (322a-b) spaced away from and outside of the motor and arranged around the motor shaft with alternating polarity and with magnets on opposite sides of the motor shaft having the same polarity; and a detent magnet spaced radially from the plurality of magnets and on a structure of the hybrid aircraft, the detent magnet configured to magnetically couple to at least one of the plurality of magnets (322a-b), the detent magnet configured to prevent the propeller from rotating when power is removed from the motor, the at least one of the plurality of magnets, when magnetically coupled to the detent magnet, orienting the motor shaft in a direction such that the propeller is held in line with a direction of flight of the hybrid aircraft. a plurality of magnets (322a-b) coupled to a portion of the motor shaft distal from a portion on which the propeller is mounted, the motor shaft being selectively rotated by a motor, that is disposed between the plurality of magnets (322a-b) and the propeller, the plurality of magnets (322a-b) spaced away from and outside of the motor and arranged around the motor shaft with alternating polarity and with magnets on opposite sides of the motor shaft having the same polarity; and a detent magnet spaced radially from the plurality of magnets and on a structure of the hybrid aircraft, the detent magnet configured to magnetically couple to at least one of the plurality of magnets (322a-b), the detent magnet configured to prevent the propeller from rotating when power is removed from the motor, the at least one of the plurality of magnets, when magnetically coupled to the detent magnet, orienting the motor shaft in a direction such that the propeller is held in line with a direction of flight of the hybrid aircraft.