pilotless
unpiloted
pilotlessness
nonpiloted
unflown
nonaeronautical
jetless
uncommissioned
unrefueled
unflighted
rotorless
unairworthy
unboarded
nonpowered
airbagless
propellerless
nondeployed
unequipped
undeployed
unstationed
unflying
beltless
noncapped
unseatbelted
unseamed
unlinered
untuckered
rotor kite
dead stick
propulsionless
unshipwrecked
nondrafted
undrafted
unclinched
unpropelled
remote-controlled
nonplane
nondocking
nonpropelled
unmanned
drone
linerless
shuttleless
flying wing
untasked
radio-controlled aircraft
unflightworthy
pilotless aircraft
soar
unchallenged