Near Mid-Air Collision Averted by TCAS During Takeoff at KIAH

Takeoff Clearance and Initial Departures

• ✈️ Jet 4321 was cleared for takeoff on runway 33 left with a left turn heading 110.
• ✈️ Commuter 4933 was instructed to contact departure after takeoff.
• ✈️ Comm 4814 was cleared for takeoff on runway 33 right, with instructions to line up and wait.

Traffic Conflict and TCAS Resolution

• ⚠️ United 697 was instructed to line up and wait on runway 33 left, then cleared for takeoff with a left turn heading 260.
• ⚠️ A traffic alert was issued to United 697 for a target at 12 o'clock, 3 miles, heading southeast, climbing at 1,500 feet.
• ✈️ United 697 reported traffic in sight and was subsequently instructed to turn left heading 3000.
• ✈️ Jet 4321 was instructed to continue south heading 180.

Subsequent Departures and Instructions

• ✈️ Airshow 3987 was cleared for takeoff on runway 33 right, with instructions to turn right heading 020.
• ✈️ United 697 was given a heading of 360 (runway heading) and instructed to maintain 2,000 feet.
• ✈️ Jet 4321 was instructed to climb and maintain 4,000 feet and then to turn left heading 120, contacting departure.