Section 917
ASPEN EFD1000/500 System
917 - 6
Page Date: 19. February 2014
Pilot´s Operating Handbook US
EXTRA 330LX
917.3
EMERGENCY PROCEDURES
Not affected due to the use as a secondary instrument.
917.4
NORMAL PROCEDURES
Not affected due to the use as a secondary instrument.
917.5
PERFORMANCE
Not affected.
917.6
WEIGHT & CENTER OF GRAVITY
Refer to the Equipment List in Section 6 of this Handbook.
917.7
SYSTEM DESCRIPTION
917.7.1
GENERAL
Refer to the Aspen Pilot's Guide(s) as specified in paragraph 917.1 for description of the EFD1000/
500 System.
917.7.2
PITOT OBSTRUCTION MONITOR (CONFIGURATION 5 ONLY)
The Pitot Obstruction Monitor is available only in configuration 5 (EFD1000 PFD Pro and EFD1000
MFD).
A common pitot and static input is shared between the EFD1000 PFD, the EFD1000 MFD and the
primary airspeed indicator. Should one or both of these lines become blocked, such as might occur
due to an inadvertent icing encounter or from water trapped in the lines, then both the EFD1000 PFD
and the EFD1000 MFD, along with the primary indicators of airspeed and altitude, could display
erroneous airspeed and altitude information.
Furthermore, because the EFD1000 uses pitot and static pressures as part of the ADAHRS attitude
solution, loss or corruption of the pitot or static pressures could also influence the accuracy of
attitude information.
The EFD1000 has been shown to be robust to these failures, either by being tolerant to incorrect
pitot or static inputs, or by detecting and annunciating a degraded attitude solution. In combination
with the installed GPS the system evaluates indicated airspeed and GPS groundspeed to identify
conditions indicative of a blockage in the pitot system. If a blockage is detected the monitor will
fail the attitude solution, post a red X in place of the attitude and heading information, and present
Summary of Contents for 330lx
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