Question: how to become a warrant officer helicopter pilot in the army?
Answer: High School Diploma.
18 years old at the time of enlistment and no older than 33. ... 
Achieve a qualifying score on the Selection Instrument for Flight Training (SIFT). ... 
Earn a minimum of 110 General Technical (GT) score on the Armed Forces Vocational Aptitude Battery (ASVAB) (nonwaivable).