Snow Conditions; Battery Temperature Limitations - Eads Eurocopter BO 105 CB-5 Flight Manual

EUROCOPTER
2.10 ENVIRONMENTAL OPERATING CONDITIONS
2.10.1 Altitude/Ambient Air Temperature Limitations (see Fig.NO TAG)
Min ambient air temperature
EFFECTIVITY If extreme low temperature kit (P/N 105-80006) is installed and operational
Min ambient air temperature
EFFECTIVITY 0001-0320 Before SB 60-31
Max ambient air temperature
EFFECTIVITY 0321-9999, and 0001-0320 After SB 60-31
Max ambient air temperature
When operating in high ambient temperatures (+45 to +54 C) at sea level, the oil temper-
atures must be closely monitored in particular during hover. The oil temperatures may be
reduced at all times by either landing or transition to cruise flight.
EFFECTIVITY ALL
2.10.2 Engine Anti-icing
Engine anti-icing must be on when the ambient temperature is below +4 C and visible
moisture is present, except for takeoff and landing.
2.10.3 Pitot Heating
Pitot heating must be on when the ambient temperature is below +4 C and visible mois-
ture is present.
2.10.4 Icing Conditions
Flight into known icing conditions is prohibited.
2.10.5

Snow Conditions

Operation in snow is prohibited except when the Continuous Ignition System (see
FMS 11-3) is installed and switched on.
The engine inlet deflector shield must be installed when operation in snow is expected.
After operation in snow, a post flight visual check of the compressor inlet must be con-
ducted in accordance with Section 11, FMS 11-3, paragraph 4.4.
NOTE Record engine operation in snow in the journey logbook.
2.10.6

Battery Temperature Limitations

When the engines are started using the onboard battery at an OAT of below –30 C, the
battery shall be preheated to at least –30 C.
When the engines are started using an external power unit at an OAT of –40 C or below,
the battery shall be preheated to at least –40 C.
LBA APPROVED
Rev. 0
FLIGHT MANUAL BO 105 CB-5/CBS-5
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–30 C
–45 C
+40 C
+54 C
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