Symphony SA-160 - Static and Pitot Pressure System

AIRCRAFT
SA 160
AIRCRAFTA I R C R A F T
Symphony
7.39 STATIC AND PITOT PRESSURE SYSTEM
The static and pitot pressure system supplies pitot and static pressure for
the airspeed indicator, the altimeter and the vertical speed indicator (See
fig.7-16).
The aircraft dynamic pressure is picked up by the pitot tube, installed on
the underside of the left wing, and carried through a line inside the wing
strut and fuselage totherelevantinstruments on the panel.
The static pressure source is performed by two static-ports on the left and
right side of the fuselage before the empennage. The static pressure
reachestheinstrumentpanelviaastaticpressurelineinthefuselage.
The pitot tube head is equipped with a heating element to prevent icing
duringtheflightinpotentialicingconditions.
Pitot tube heating is activated switching the PITOT HT switch on the ON
position.
Illumination of an amber “PITOT HT OFF” caution light (IFR), located on
the upper instrument panel left to the EC 100 indicates that the pitot
heaterisnotoperational.
Both the pitot and the static pressure lines can be drained through
separatedrainvalves,locatedonthebottomofthefuselage.
A cover should be placed over the pitot tube while the aircraft is parked
outside, to prevent insects and water from entering the pitot orifice. A
partially or completely blockedpitot vent will result erroneous, erratic, or
zeroreadingsontheassociatedinstruments.
Makesure that the pitot cover is removed before flight.
CAUTION !
SECTION 7
DESCR. & OPERATION
Feb 25, 2005
7-48