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Airplane Flight Manual
Zenith STOL CH 750
HB-YRC
7.12 PITOT AND STATIC PRESSURE SYSTEM
The Zenith STOL 750 has a non-heated Pitot/AOA tube on the
bottom of the left hand wing which is connected to the Dynon
ADAHRS (located in the fuselage at the left) and the backup
instruments by ¼" tubes (green tube).
The ADAHRS is located at the left side inside the fuselage
(accessible through maintenance opening fuselage bottom)
The Pitot tube is equipped with an angle of attack probe (AOA),
which is also connected to the Dynon ADAHRS by ¼" tubes (blue
tube).
On each aft part of the fuselage, a static pressure port is installed
which are connected to the Dynon ADAHRS and backup instruments
(airspeed and altimeter) by ¼" tubes (white tube).
7.13 MISCELLANEOUS EQUIPMENT
ACK E-04 ELT 406/121.5 (without GPS Data)
An ACK E-04 Avionics Technologies ELT is fitted at the right side
inside the fuselage (accessible through maintenance opening
fuselage bottom). If activated (manually or by g-switch) it will send a
distress signal to the international 406 MHz satellite search and
rescue system and also on 121.5MHz. It can be controlled by the
remote control panel on the instrument panel. The antenna (external
from the unit) is located external on the top of the aft fuselage. Under
ACK Avionics Technologies
you will find further information related to
this unit. The latest versions of operation manuals is available under
ACK Support
page.
Check 121.5 MHz after a hard landing.
Smartwaves RM386 CO2 Detector
A CO2 Detector is installed at the left uprights behind the pilot's seat.
In case of high CO2 concentration the detector sound acoustical
alarm. The unit is battery driven which needs periodical
maintenance. Refer to Zenith STOL HB-YRC maintenance manual.
Proper function of the detector can be tested by pushing the test
button. LED's show function status.
Issued: 01.02.2020
Revision 0, Dat. 01.02.2020
Page 83-93
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