Cub Crafters CC18-180 Maintenance Manual page 264

CUB CRAFTERS, INC.
CC18-180 MAINTENANCE MANUAL
1. GENERAL
This section covers the Pitot and Static systems. These systems provide the information
required by the airspeed indicator, the altimeter, the vertical speed indicator and the altitude
encoder.
The pitot system senses dynamic pressure through a tube that is aligned with the flow of air and
is located under the left wing. The tube is heated.
The static pressure orifices are located on the both sides of the fuselage, just behind the engine.
There are two orifices to counteract the effects of yaw. The alternate static source valve is found
on the lower left side of the instrument panel. It provides an alternate source of static air
pressure from inside the cabin in the event the normal static sources are plugged.
NOTE
The alternate static source is to be used when the normal system is inoperative or
malfunctioning. When alternate static air is used, instrument readings will vary from normal
readings due to static air being obtained from the cabin.
34-00
Manual numberTC10000AMM
Page: 2 Date: 05/20/08