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Search: Posts Made By: itsnotthatbloodyhard
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Forum: Tech Log
2nd Jun 2019, 22:36
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

Sorry, this is not true. The A330/A340 FCOM has...

Sorry, this is not true. The A330/A340 FCOM has procedures for Unreliable Speed Indication, IAS Disagree, and All ADR Off - and NOWHERE does it make any mention of groundspeed. Nor does the FCTM.
Forum: Tech Log
2nd Jun 2019, 21:42
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

Absolutely - if you’ve got nothing else, then you...

Absolutely - if you’ve got nothing else, then you use whatever you can. But Airbus gives me a procedure to follow, and a set of pitch/thrust tables which will establish the jet within a couple of...
Forum: Tech Log
2nd Jun 2019, 09:03
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

The flight plan GS is the average for a leg which...

The flight plan GS is the average for a leg which might be over an hour long. Plenty of times I’ve seen the GS change by 40 or 50 kts in a couple of minutes, due to wind changes - which means GS is...
Forum: Tech Log
2nd Jun 2019, 08:17
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

So is applying the memory items and/or NNCs laid...

So is applying the memory items and/or NNCs laid down by the manufacturer.



If AF447 had simply not changed pitch or power, with no reference to GS at all, the same would still be true.

It’s...
Forum: Tech Log
2nd Jun 2019, 00:39
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

You’re sure about that?

You’re sure about that?
Forum: Tech Log
30th May 2019, 12:56
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

Except it was using AoA. From the ATSB report:...

Except it was using AoA. From the ATSB report: “In accordance with published procedures, the flight crew turned off the three air data reference systems (ADRs) at 1343. This activated the aircraft’s...
Forum: Tech Log
26th May 2019, 04:22
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

Not in any A330 I’ve ever flown, unless your...

Not in any A330 I’ve ever flown, unless your ‘normal cruise’ is down around F200. For F350, M0.8, ISA+10, 205t (as per AF447), the tables I’m looking at indicate about 95.5% N1. That’s for the CF6 -...
Forum: Tech Log
26th May 2019, 01:48
Replies: 117
Views: 46,028
Posted By itsnotthatbloodyhard

Because the thrust required would’ve been more...

Because the thrust required would’ve been more like 95% N1 than 70%, and because any changes in the wind would have you chasing the GS in a way that could be quite detrimental. Still better than what...
Showing results 1 to 8 of 8


 
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