at Thebephatshwa Air Base during a routine for the Botswana defence force day. The pilot was killed. On 20 October 2011, two PC-7s of the Botswana Defence Force were involved in a midair collision over Letlhakeng 100 km west of Gaborone. Two of the four aircrew involved were killed in the accident. On 27 June 2014, The Botswana Defence Force Air Arm lost an AS350 Ecureuil helicopter which crashed during a routine training at Thebephatshwa Air Base. Two pilots who were on board the aircraft, were taken to hospital in a stable condition. On 9 February 2017, a BDF CASA C-212 crashed near Thebephatshwa village minutes after leaving the Thebephatshwa Air Base, killing all 3 people on board. The aircraft was on its way to the capital, Gaborone, which is 90 km away. On 27 April 2018, a day before BDF Day, a BF-5 fighter aircraft crashed at the Gaborone Golf Club during aerobatic rehearsals. The pilot was the only recorded casualty. Organisation Z1 Transport Squadron – Maparangwane Air Base (Thebephatshwa/Molepolole) Z3 Transport (Liaison) Squadron – O-2A, Bat Hawk – Francistown Airport Z7 Training Squadron – PC-7MkII, King Air 200 – Maparangwane Air Base (Thebephatshwa/Molepolole) Z10 Transport Squadron – C-130, C-212 and CN-235 – Maparangwane Air Base (Thebephatshwa/Molepolole) Z12 Transport Squadron – Francistown Airport Z21 Transport/Helicopter Squadron – Bell 412 – Maparangwane Air Base (Thebephatshwa/Molepolole) Z23 Transport/Helicopter Squadron – AS-350 – Maparangwane Air Base (Thebephatshwa/Molepolole) Z28 Fighter Squadron – CF-5 – Maparangwane Air Base (Thebephatshwa/Molepolole) VIP Flight Squadron – G-IV – Sir Seretse Khama International Airport Air Bases Maparangwane Air Base is the only full air base in Botswana. Sir Seretse Khama International Airport is a civilian airport that hosts the VIP jets and Francistown Airport is a joint civilian/military airfield with ownership by the BDF since 2011. Air defence command and control system In 2005 Botswana Defence Force (BDF) awarded the Spanish company Indra a €7.1 million contract for the development and implementation of a full air defence command and control system. The project included the development and implementation of an operational control centre, composed of a total of nine air traffic tracking and control posts to process and concentrate the information regarding the country's air space being provided by air surveillance radars, radio communication links with the airships, and air traffic management civil systems. Aircraft Current inventory Retired aircraft Previous aircraft operated by the Air Force were the