Kawasaki Heavy Industries (KHI) has selected Honeywell Aerospace to supply propulsion, environmental and safety technologies for 20 P-1 maritime patrol aircraft.
By Aleem Yousaf (Kawasaki P-1, Japan Maritime Self Defence Force) [CC BY-SA 2.0], via Wikimedia Commons
One of the items is the 131-9J Auxiliary Power Unit (APU).