NAVIGATION MANAGEMENT SYSTEM - CMA–9000
FLIGHT MANUAL BK 117 C-2
9.2-51 – 7
EASA APPROVED
Rev. 0
CAUTION INDICATIONS
POS
(on NMS)
NMS 1
and/or
NMS 2
and/or
(on CAD)
Conditions/Indications
GPS integrity is invalid. GPS NAV LOST or GPS POS UNCERTAIN come on as system
alert message.
Procedure
1. Confirm position by an alternate NAV
source and check frequently the ANP in
comparison of the RNP of the phase of
flight.
2. Continue flight
NOTE
In case of GPS NAV LOST alert message, NMS switches automatically over to
next best navigation source.
3.2
SYSTEM ALERT MESSAGES
If navigation sensor is lost on one NMS, check the NAV STATUS on the other NMS.
The NMS will automatically use best navigation source available.
If a navigation sensor is deselected on one NMS, the sensor could still be used for navi-
gation on the other NMS.
System alert messages are displayed on the MSG RECALL pages.
A list of system failures provided on the MAINT MSG subpage of the MSG RECALL
page.
The following table contains an extract of the alert messages that require pilots action
and / or are not selfexplaining.
For detailed information concerning the advisory messages see OPS Manual CMA–9000
(Software 169-614876-022).
Syntax description of system alert messages:
MESSAGE
DESCRIPTION
xxx
1)
FAILED
Both NMS receive invalid data from the indicated equipment at all.
xxx
1)
FAILED.
Both NMS do not receive any data from the indicated equipment at all.
xxx
1)
FAILED 1
The indicated NMS (e.g. NMS 1) receives invalid data from the indicated equip-
ment. The remaining NMS receives proper data.
xxx
1)
FAILED. 1
The indicated NMS (e.g. NMS 1) do not receive any data from the indicated
equipment. The remaining NMS still receives data.
1) indicates the affected equipment (e.g. ADC, GPS...)
Example: “
AHRS1 FAILED 2
” – The NMS 2 receives invalid data from the AHRS. The NMS 1 still receives
proper data from the AHRS. (
AHRS1 FAILED
“amber”,
2
“
white
”
)
