USAF upgrades first Turkish KC-135
A Turkish KC-135R Stratotanker taxis on the runway at the Field Aerospace facility in Oklahoma City. (Photo: USAF)
The first of seven Turkish KC-135R Stratotanker aircraft recently returned to Turkey after receiving a major flight deck upgrade at Field Aerospace in Oklahoma City under the Block 45 upgrade programme.
The USAF announced on 14 September that the inside of the aircraft’s flight deck was completely remodelled by replacing instruments that are considered high-maintenance or obsolete.
It had 63 parts replaced and received new liquid crystal displays, radio altimeter, computer module updates, autopilot and a digital flight director.
A second Turkish KC-135 is currently being modified, with the remaining fleet expected to receive the upgrade no later than 2023.
A press release from the USAF claimed that Block 45 makes it easier for pilots to operate the aircraft and notice malfunctions faster also helps with the sustainment of the aircraft in the long run.
The USAF KC-135 fleet is also receiving the Block 45 modification and has seen an increase in aircraft availability as a result, said John Wilson, programme manager at the USAF Mobility and Training Aircraft Directorate.
According to Shephard Defence Insight, the KC-135 entered service in 1957 with the USAF and remains the service’s primary aerial tanker. The air force plans to keep the type flying beyond 2040 when it will be replaced by the Boeing KC-46.
Of the 803 built, 416 are in US service. In addition to Turkey, the aircraft is also operated by Chile and France.
Related Equipment in Defence Insight
More from Air Warfare
-
July drone digest: Sovereign production takes centre stage at Farnborough
Farnborough International Airshow (FIA) 2026 revealed the growing scale of the UK’s uncrewed ambitions, with companies showcasing new CCA, autonomous wingmen and surveillance drones, while sovereign production emerged as a key factor for multiple programmes.
-
July air forces review: Farnborough steals the headlines as programmes develop
The biannual Farnborough International Airshow 2026 was the backdrop in July for scores of deals, partnerships and announcements, including developments in the multinational next-generation Global Combat Air Programme and the UK’s $486 million trainer aircraft requirement.
-
FIA 2026: Bell highlights MOSA-driven growth path for MV-75 Cheyenne
Bell Flight’s modular open-systems approach for the US Army’s MV-75 Cheyenne could open doors for international allies and suppliers once locked out by closed rotorcraft architectures.
-
Maximise survivability with advanced electronic warfare (video)
BAE Systems’ all-digital EW delivers 360-degree threat awareness in contested environments, boosts survivability, and cuts lifecycle costs.
-
US Air Force seeks avionics upgrades for ageing T-38 Talon as T-7A Red Hawk delays persist
The USAF is looking for commercial avionics solutions to improve the T-38 Talon’s reliability, readiness and flight safety as continued T-7A Red Hawk delays increase the likelihood that the legacy trainer will remain in service longer than planned.
-
British Army’s Project Corvus selection highlights new era of drone sovereignty
The UK’s choice of the Tekever AR5 for Project Corvus reflects a wider shift in military drone procurement towards solutions that centre on sovereignty and domestic production, moving away from overseas reliance.