MD-82
Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Air Traffic Control Issued New Clearance; Flight Crew Returned To Departure Airport; Flight Crew Landed As Precaution; General Declared Emergency
Aircraft
[We had a] normal takeoff (mine) with standard power. Acceleration and liftoff was normal. During climb out CADC #2 fails. Emergency declared and ILS approach was executed via vectors. No ATC deviation or procedural deviation occurred and under maximum landing weight. Normal landing and rollout. As these aircraft age; special attention to electrical and pneumatic connections should be emphasized.
First Officer's takeoff; shortly after takeoff; #2 CADC failed. Emergency declared. VFR conditions. Received vectors by Departure back to an ILS approach. Landing [was] uneventful.
MD82 flight crew experiences a CADC failure shortly after takeoff and returns to the departure airport after declaring an emergency.