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-   -   A320 Loc Beam Capture (https://www.pprune.org/tech-log/627597-a320-loc-beam-capture.html)

tdehuya 28th Nov 2019 13:59

A320 Loc Beam Capture
 
IF aircraft lost it GPS Primary,it’s pre-capture function inoperative. What will the aircraft do if the interception angle with final is like 150 degree?
sitll turn inbound to capture the loc beam
or turn outbound, goes the opposite direction since it in 90hz
or 150hz zone?
If the final course is 180, I put 183 on radionav page, ac
will capture 180 or 183 ?
firends who fly B738 told me Boeing can capture 183, is that ture?

Many thanks

noptawat 30th Nov 2019 11:28

Based on Smith&TH last REV. All ADIR operative. A/C in heading mode and with in ILS Coverage Area :)


SPEED OP DES HDG CAT3DUAL AP1+2
G/S BLUE ALT LOC BLUE T/THR



SPEED OP DES LOC* CAT3DUAL AP1+2
GS/BLUE ALT A/THR


SPEED G/S LOC CAT 3 DUAL AP1+2
A/THR

Verify with ILS RAW data. If fault capture just pull HDG :)



If the final course is 180, I put 183 on radionav page, ac
will capture 180 or 183 ?
Auto number 180 [Small]
It will Capture 183 [Big Number] <- Pilot Input


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