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The Airframer Bulletin › Archive

News archive: Northrop Grumman Aerospace Systems

Every Bulletin story and press release covering Northrop Grumman Aerospace Systems, newest first.

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14 May DARPA’s XRQ-73 SHEPARD hybrid-electric experimental aircraft takes off at Edwards Air Force Base.

DARPA hybrid-electric UAV takes off from Edwards

The remotely piloted SHEPARD demonstrator completed its April flight at Edwards Air Force Base as propulsion research continued.

6 May

DARPA and Northrop Grumman fly XRQ-73 hybrid-electric demonstrator

Hybrid-electric flight testing at Edwards Air Force Base has advanced efforts to develop lower-emission military aircraft with greater operational flexibility.

26 June 2024 The Series Hybrid Electric Propulsion AiRcraft Demonstration program, known as SHEPARD, sees its hybrid-electric uncrewed aircraft system (UAS) receive its official X-plane designation, XRQ-73.

DARPA dubs its newest X-plane XRQ-73

The XRQ-73 aircraft will be a Group 3 UAS weighing approximately 1,250 pounds, which draws on the earlier AFRL/IARPA Great Horned Owl (GHO) project. First flight is expected by year-end 2024.