The last civil type produced by Phillips and Powis before the war, the Monarch was a development of their earlier Whitney Straight.

the Monarch had an enlarged fuselage, allowing provision of a third seat in part of what had been the luggage space.

All but one of these survived the war, though a Dutch-registered aeroplane (PH-ATP) was destroyed in the Luftwaffe raid on Schiphol on 10 May 1940.

One aircraft, OY-DIO, was on the Danish register until 9 Sept. 1939 and owned by a Dane named Hagedorn.

Bowles For the most part, the remaining Monarchs led uneventful but useful careers; a number survived into the Sixties.