Northrop Grumman has completed the critical design review for the E-2D Advanced Hawkeye Block II upgrade, allowing the company to begin integration and testing of the modernized system. Block II aircraft are scheduled for delivery by the end of the decade.
The upgrade covers changes to the E-2D’s mission-system hardware and software, with a focus on fleet sustainment, future upgrades, and reducing the effort required to introduce new technology.
A modular open systems approach and commercial off-the-shelf (COTS) technology will be used as part of the upgrade. This architecture is intended to simplify future modifications and support the long-term maintenance and modernization of the E-2D fleet.
Northrop Grumman plans to incorporate Block II into the active E-2D production line for new aircraft and to develop the capability to retrofit aircraft already in service. This provides a common upgrade path for both new-build and existing E-2D aircraft.
The Block II work will include a comprehensive update of the aircraft’s mission-system hardware and software. The changes are expected to improve situational awareness and reduce crew workload while providing additional capacity for future technology upgrades.
Janice Zilch, vice president and program manager, E-2D Advanced Hawkeye, Northrop Grumman, said, “Completing the Block II critical design review reflects the dedication and expertise of our team and partners. This upgrade strengthens the E-2D’s suite of capabilities, enhancing situational awareness, reducing crew workload, and paving the way for future technology. We are continuing to deliver unmatched capability at speed to the U.S. Navy and our international partners.”
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The E-2D is an airborne early warning and command-and-control aircraft operated by the U.S. Navy and international customers. The Block II program is part of the platform’s ongoing modernization, allowing existing aircraft to receive updated mission systems rather than relying on a fixed configuration throughout their service life.
From an MRO and fleet-sustainment perspective, the ability to retrofit existing E-2D aircraft alongside new production aircraft is a key element of the program. The use of open-system architecture and COTS technology could also make future system upgrades easier to integrate as the fleet continues to be modernized.
