Operational Air/Ground Status - Honeywell ASPIRE-400 System Description, Installation And Maintenance Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
(9) The ACD resynchronizes its internal time and date to the selected time and date source
when all of the following are true:
(a)
(b)
(c)
B.

Operational Air/Ground Status

(1) Operational Air/Ground Status is used to prohibit or abort ground maintenance
operations when the aircraft is in the air. Examples of applicable ground maintenance
operations are:
(a)
(b)
(c)
(d)
(2) Operational Air/Ground Status is also sent to the High-Power Amplifier (HPA) and
antenna.
(3) The ACD sets the air/ground status to on ground when:
(a)
(4) The Operational Air/Ground status is calculated as shown in Table 2-7:
Source Status
Primary Installed, per
ORT setting
Weight-On-
Not
Wheels
configured
(WOW)
per ORT
setting, or
invalid
EFFECTIVITY
ALL
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ASPIRE-400
The selected time and date has changed
The difference between internal time and date and selected time and date is
greater than 10 seconds.
NOTE: Checking for changing (non-static) data is to accommodate lab
testing when the time label isn't updating, i.e. labels continuously sent
with same time and date.
The ACD updates the Network Time & Date in NVRAM when any of the following
occurs:
1 Registration with the network
2 Forced deregistration
3 Channel Card reset
4 Satellite handover
5 Manual logoff.
Execution of full versus rapid POST
Data Loading
Commanded Self-Test
Execution of PIMBIT.
No valid Secure ORT is present.
Table 2-7. Operational Air/Ground Status
Setting
WOW equates to aircraft on ground, per ORT setting
WOW doesn't equates to aircraft on ground, per ORT
setting
Use Secondary Source
23-15-49
3rd rvw Draft as of:
29 January, 2020
Operational
Air/Ground Status
On-Ground
In-Air
Page 2-42
22 Apr 2019