T B M
PILOT’S INFORMATION MANUAL 700
SECTION 7
DESCRIPTION
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Page 7.11.4
Rev. 6
Alternate static source
The alternate static port located in the rear fuselage supplies a system routed
to the switching valve (normal / alternate) in order to replace static system 1
and also supplies the V
MO
warning.
The alternate line incorporates a drain plug located under the instrument
panel on R.H. side.
DYNAMIC PRESSURE SYSTEM
Two heated pitot probes are installed under the L.H. wing. The first one
supplies the airspeed indicator 1 and the Autopilot system Air Data Computer
(ADC).
The second one supplies the V
MO
audio warning and optional equipment.
Both lines incorporate a drain plug located in the L.H. wing root. On dynamic
system 1, an additional drain is installed on ADC system. It is located under
the floor and is accessible from emergency landing gear door.
Pitot heating
Pitot heating is controlled by ”PITOT 1 HTR” and ”PITOT 2 & STALL HTR”
switches, installed on ”DE–ICE SYSTEM” panel.
”PITOT 1”, ”PITOT 2” and / or ”STALL HTR” warning lights, located on the
advisory panel are illuminated when corresponding switch is set to ”OFF” or if
heating system does not operate when the switch is set to ”ON”.
NOTE :
Do not use heating during prolonged periods on ground to avoid pitot
overheat.
OPTIONAL EQUIPMENT
Available options are :
– a second vertical speed indicator
– a second airspeed indicator
– a slaved encoding altimeter KEA 346 instead of a basic encoding altimeter
KEA 130 A.
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