PRIMUS
r
880 Digital Weather Radar System
A28- 1146- 102- 00
Radar Facts
5-23
10
5
15
20
AD- 17722- R1@
GMAP
Ground Return Indicating Misalignment (Upper Left)
Figure 5- 21
ROLL STABILIZATION CHECK
Once proper operation is established in level flight, verify stabilization
in a turn using the procedure in table 5- 6.
Step
Procedure
1
Place the aircraft in 20
°
roll to the right.
2
Note the radar display. It should contain appreciably no
more returns than found during level flight. Figure 5- 22
indicates that roll stabilization is inoperative.
3
If returns display on the right side of radar indicator;
the radar system is understabilizing.
4
Targets on the left side of the radar display indicate the
system is Overstabilizing. Refer to table 5- 9 for roll
gain adjustment.
NOTE:
Proper radar operation in turns depends on the accuracy
and stability of the installed attitude source.
Stabilization in Turns Check Procedure
Table 5- 6
Summary of Contents for Primus 880
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