mavros_msgs/ExtendedState Message

# Extended autopilot state
#
# http://mavlink.org/messages/common#EXTENDED_SYS_STATE

uint8 VTOL_STATE_UNDEFINED = 0
uint8 VTOL_STATE_TRANSITION_TO_FW = 1
uint8 VTOL_STATE_TRANSITION_TO_MC = 2
uint8 VTOL_STATE_MC = 3
uint8 VTOL_STATE_FW = 4

uint8 LANDED_STATE_UNDEFINED = 0
uint8 LANDED_STATE_ON_GROUND = 1
uint8 LANDED_STATE_IN_AIR = 2

std_msgs/Header header
uint8 vtol_state
uint8 landed_state