Handley Page H.P.31 Harrow

This article is about the single-engine biplane. For the twin-engine high-wing monoplane, see Handley Page H.P.54 Harrow. For other uses, see Handley Page Harrow.
H.P.31 Harrow
First prototype in 1927 with new cowling
Role Bomber, torpedo bomber and reconnaissance aircraft
National origin United Kingdom
Manufacturer Handley Page
First flight 24 April 1926
Retired 1928
Number built 2

The Handley Page H.P.31 was a two-seat single-engined biplane built to a British specification for a carrier-based torpedo bomber and reconnaissance aircraft. After trials, the Blackburn Ripon was preferred, though the Harrow played a significant role in the development of automatic slots.