Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 typically with radio command sets

typically with radio command sets SCR-274 and SCR-522

the pointer indicates altitude along the inner green scale

It is in superb condition given its age

This indicator

the transmitter frequency will have changed

Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 typically with radio command setsThis is a post WWII Air Data Publications reprint of the November 1943 Air Ministry Publication. Includes checklist, airplane handling, emergencies, foldouts of cockpit pictures and instrument panel. This ~50 page black and white manual is in very good condition. Measures 7. 5 inches long and 5 inches wide.