Compass Call set for initial EC-37B flight tests in January 2023
An EC-37B Compass Call arrives at Davis-Monthan Air Force Base in Arizona on 17 August 2022. Compass Call suppresses air defences by preventing the transmission of essential information between adversaries, their weapon systems and control networks. (Photo: USAF/Airman 1st Class Vaughn Weber)
The first upgraded Baseline 3 Compass Call airborne standoff EW jamming system aboard USAF EC-37B aircraft will include ‘key components’ from BAE Systems, the company announced on 21 September.
BAE Systems stated that it has delivered final Baseline 3 hardware in preparation for initial flight tests in January 2023.
Baseline 3 offers additional EW capabilities and BAE Systems expects it to be fielded on an interim basis from mid-2024 while work continues on the Baseline 4 configuration.
The EC-37B is a new platform for Compass Call, as BAE Systems has provided the system for USAF EC-130H aircraft since 1981.
The EC-37B is based on the Gulfstream G550 commercial business jet. The EC-37B programme began in FY2017 with an estimated procurement cost of $1.45 billion for ten aircraft, according to Shephard Defence Insight.
There are 13 EC-130H aircraft in USAF service with an expected retirement date of 2025.
Related Programmes in Defence Insight
EC-37B Compass Call (1-10) [USA]
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.
-
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.