DA20-C1 Flight Manual
Supplement 2
Doc # DA202-C1 April 16, 2009 Page S2 - 2
1. GENERAL
The Winterization Kit consists of cowling inlet and outlet baffles. The inlet baffles are attached
to the upper cowling with two winged 1/4-turn fasteners. The outlet baffles are attached to the
lower cowling with screws. At take-off outside air temperatures below 14°F/-10°C it is
recommended to use both inlet and outlet baffles together. At temperatures between 32°F/0°C
and 54.5°F/12.5°C it is not permissible to use both inlet and outlet baffles together. Either the
inlet baffles only or the outlet baffles only may be used in this temperature range. At
temperatures above 54°F (12.5°C) both inlet baffles and outlet baffles must be removed. These
temperature ranges have been established by test to prevent the engine from overheating
during a prolonged climb.
It is recommended to install the outlet baffles during periods when the take-off temperatures are
consistently below 32°F/0°C. The inlet baffles can be installed or removed as required.
The installation is defined by Service Bulletin DAC1-71-03.
2. OPERATING LIMITATIONS
Maximum T/O outside air temperature with either inlet or outlet baffles installed is 54°F (12.5°C).
Maximum T/O outside air temperature with both inlet and outlet baffles installed is 32°F (0°C).
The following placard must be installed on the cowling, immediately below the oil filler door and
on the removable baffles:
Revision 24 DOT Approved
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