Helicopter Sikorsky UH-60A Black Hawk Serial 70-1066 Register 86-24550 used by US Army Aviation Army. Aircraft history and location Aircraft History 86-24550 US Army Aviation US Army 1990 236 MedCo. 1995 type:UH-60A/ESSS 236 MedCo. 1999 236 MedCo. 236 MedCo 1999-07-31 A ETIP 236 MedCo 236 MedCo Jul 1999 236 MedCo Send Updates Use APP to upload photo @ (optional) When Now? / / Send