Complex sentence: In January 2009 the company announced completion of the first phase (27 flights) of a three-phase testing program, which included the verification of ASTM LSA requirements such as stall speeds and low-speed handling parameters.
Split into simpler sentences: In January 2009, the company announced completion of the first phase (27 flights) of a three phase testing program. Included among this testing was the verification of some ASTM LSA requirements, including stall speeds and low-speed handling parameters.