(54) 
New Zealand 
Flying is chiefly manual. A P4 compass is used with a Kollsman drift sight 
and a Kollsman altimeter. 
Sweden 
I he aircraft is flown manually. Gyroscopic and magnetic compasses are 
used with a Zeiss drift sight and a Kollsman altimeter. 
Switzerland 
The Beachcraft C45F is flown by automatic pilot. The Percival P54 is 
flown manually. Gyro compasses are used. The drift sight is built into the 
Wild RC-5 and RC-7 cameras. The altimeter used is the normal aircraft type. 
United States of America 
The U.S. Coast and Geodetic Survey use automatic pilot. Other aircraft 
are flown manually. Magnetic, flux gate, gyroscopic, and radio compasses are 
used. Various types of drift sights are in service including gyro stabilized bomb- 
sights. Barometric altimeters are in general use; radar altimeters are used by 
the U.S.A.F. and the Coast and Geodetic Survey. The former also use a vario 
meter. A Solar Navigator is in use by the Air Force and has been used by the 
Coast and Geodetic Survey. The latter also use sextants and astro-compasses. 
Electronic aids used by the Air Force are a bombsight navigation system, 
Shoran, and radar with automatic course computers and plotters.