At 05:52hrs units were dispatched to the reported "unknown major/minor" accident in the 11600 block of Dorrance in Meadows Place. Upon arrival of EMS-21 (Lange), with FBCEMS Medic #7 on scene, one car in the front yard of a residence with moderate damage was reported. Upon making contact with the vehicle it was determined to be occupied by 2 individuals, both requiring extrication, after their vehicle struck a parked station wagon and fire hydrant. With Battalion 21 (Bomberger), Engine 23 (OIC Merchant) and Quint 22 on scene for patient care and extrication, Medic #7 requested Air Medical for the passenger and a 2nd ground unit for the driver. With Medic #10 as the additional transport unit and SLFD Ladder 2 (OIC Gore) requested for landing zone responsibilities, Extrication Group (Mills) removed both passenger side doors and "B" post to extricate the passenger, and then driver. With a more detailed assessment of the driver now possible, Medic #7 requested to fly both patients and made preperations for same. Upon arrival of Memorial Herman Life Flight both patients were moved to the LZ for transport to the Level I Trauma Center at Memorial Herman Hospital in the Houston Medical Center. Following the safe departure of the aircraft and securing of hazards all units returned to service at 07:07hrs.