AIRPLANE
OPERATIONS
MANUAL
LIMITATIONS
REVISION 26
1-01-56
Page
3
Code
07
− The airplanes may not be operated within the following North and
South magnetic polar cut-out regions:
MAGNETIC
CUT-OUT
REGIONS
LATITUDE LONGITUDE
North
Between 70°N and
82°N
Between 90°W and
120°W
North of 82°N Between 0° and 180°W/E
South
Between 60°S and
82°S
Between 120°E and
160°E
South of 82°S Between 0° and 180°W/E
NOTE: Within the magnetic polar cut-out regions IRS heading data is
not available.
INSTRUMENT LANDING SYSTEM (ILS)
This limitation applies to airplanes equipped with Mod. L of the
Honeywell Primus II NV-850 Navigation Receiver Module
P/N 7510134-831; which is part of the Honeywell Primus II RNZ-851
Integrated Navigation Unit P/N 7510100-831, -832, -833 and -834.
When crossing the Outer Marker on glideslope, the altitude must be
verified with the value on the published procedure.
For airplanes with a single operating glideslope receiver, the approach
may be flown using normal procedures no lower than Localizer Only
Minimum Descent Altitude (MDA).
For airplanes with two operating glideslope receivers, the airplane may
be flown to the published minimums for the approach using normal
procedures if both glideslope receivers are tuned to the approach and
both crew members are monitoring the approach using independent
data and displays.
INTEGRATED STANDBY INSTRUMENT SYSTEM (ISIS)
Maximum duration of ISIS when operating on batteries only is 40
minutes.
NOTE: The maximum duration of battery power can be extended to 45
minutes if the Pitot 3 Sensor Heating Button is turned off when
not operating in icing conditions.
Airplane must not be moved during power-up initialization.
Do not cage attitude in turning flight.
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