catflap.org Online Dictionary Query

  become airborne /bɪkˌʌm ˈeəbɔːn/
  abheben, starten  [aviat.]
           Note: Flächenflugzeug
     Synonyms: take off, take to the air, leave the ground
  
   see: taking off, taking to the air, leaving the ground, becoming airborne, taken off, taken to the air, left the ground, become airborne, takes off, takes to the air, leaves the ground, becomes airborne, took off, took to the air, became airborne
  
           Note: of a fixed-wing aircraft

  become airborne /bɪkˌʌm ˈeəbɔːn/
  abgehoben, gestartet
     Synonyms: taken off, taken to the air, left the ground
  
   see: take off, take to the air, leave the ground, become airborne, taking off, taking to the air, leaving the ground, becoming airborne, takes off, takes to the air, leaves the ground, becomes airborne, took off, took to the air, became airborne
  

  become airborne /bɪkˌʌm ˈeəbɔːn/
  abheben  [aviat.]  [senkrecht]
           Note: Hubschrauber, Rakete, Raumschiff
     Synonyms: lift off, leave the ground
  
   see: lifting off, leaving the ground, becoming airborne, lifted off, left the ground, become airborne
  
           Note: of a helicopter, rocket, spacecraft

  become airborne /bɪkˌʌm ˈeəbɔːn/
  abgehoben
     Synonyms: lifted off, left the ground
  
   see: lift off, leave the ground, become airborne, lifting off, leaving the ground, becoming airborne