{HEAD ~ The shaft} 20 of the probe 10, as shown, also rotates in {TAIL ~ a plane} paralleling the wing span of the aircraft as unusual attitudes such as slip, skid, spin and the like are experienced 
{ HEAD ~ The shaft } 20 of the probe 10 , as shown , also rotates in { TAIL ~ a plane } paralleling the wing span of the aircraft as unusual attitudes such as slip , skid , spin and the like are experienced
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH