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P92 Echo Super
Maintenance Manual
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6.3 Pitot and Static System
Referring to figure 6-6, system consists of a pitot tube (1) mounted on left wing strut and two static ports (2) connected in
parallel (3) and located on left and right side of fuselage just ahead of door frames. Flexible plumbing connects pitot and
static ports to pressure instruments.
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Figure 6-7 PITOT AND STATIC SYSTEM
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Servicing the system is easy and is carried out in accordance with schedule listed in the Periodic Inspection Table found in
the Inspection section of this manual.
Simply remove tubes from instruments and blow air in tube in port direction and never vice versa, clearing possible
obstructions and checking line condition.
Check visually and more frequently pitot tube on left strut (1) and static ports (2) clearing possible obstructions.
For safety reasons and to ensure correct airspeed readings, it is important to check the pitot system for leaks adopting the
following procedure:
Fasten a piece of rubber hose approximately 30 centimeters long to the pitot tube, close off the opposite end of the hose and
slowly roll it up until the airspeed indicator shows cruise speed. Constant reading is an indication of no leak in system.
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WARNING
Avoid blowing air through pitot or static ports, as this causes immediate damage to the airspeed indicator
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Revision Date: 10-29-2007
Revision Number: 3.01