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sab12

Maximum Speed For ILS G/S Capture?

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Is there a maximum recommended speed for ILS G/S capture in the Dash 8?I'm asking because I SOMETIMES have a problem with G/S capture even when:(1) I'm approaching the beam from below(2) Both the LOC and G/S indications show capture(3) I've disconnected from the FMCHowever, I haven't been DELIBERATELY bringing my speed down to 150 until after I'm further into the approach.The Dash 8 just maintains the set altitude (typically 5000') and doesn't descend.Thanks,

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Hi:I would begin capture at around 140 IAS. It's standard proceedure to slow down, put in flaps 10 and lower the gear after the glideslope comes alive and before it centres. Also make sure you props are up to 1050 rpm, and check your flap limiting speeds. You'll want to gradually slow to just 120 IAS below RA 1000 for a landing with flaps 15 and props at 1050.George (EGKA)

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