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HeliTorque :: View topic - Another new member! (FREDAT Checks)
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HeliTorque Forum Index » Student Pilots & Hour Builders

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MintedMav
'Torquing Regularly
'Torquing Regularly


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Joined: Aug 24, 2010
Posts: 94
Location: Teddington, SW London, UK



PostPosted: Tue Jun 14, 2011 9:30 am    Post subject: Reply with quote

DBChopper wrote:
My FREDATT is pretty much the same as HeliCraig's, with the addition of checking that the next frequency you are likely to need is ready on standby under the Radio heading.

Another nice little one for cross-country flying whenever you have a few seconds of having done nothing is HATS:

Heading
Altitude
Time
Speed


Excellent - Ive added this one to my list Smile
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flip2
High Flying 'Torquer
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Joined: Sep 05, 2009
Posts: 225



PostPosted: Tue Jun 14, 2011 4:39 pm    Post subject: Reply with quote

MintedMav wrote:
flip2 wrote:
MintedMav wrote:

RATE 1 TURN
Airspeed * 15%

Alternatively, you can try 10% + 7

Example:
10% of 80 knots = 8
8 + 7 = 15


10% + 7 is the one quoted in the books. The instructor that gave me the 15% rule instead insisted that it was more reliable at the lower airspeeds helis work at (he was previously a heli instrument instructor in the military). I tested his calculation at 80kts on the R22 (so 12 degrees instead of 15 degrees) and it was pretty much spot on. You pays your money and takes your choice Smile

I've never seen it presented that way, but your instructor is indeed correct that 15% gives a closer approximation (using AOB tables). Every day is a school day!
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DBChopper
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Posts: 518
Location: SE England


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PostPosted: Tue Jun 14, 2011 5:18 pm    Post subject: Reply with quote

Like HaggisHunter I also tend to think about TITS when flying, but for me it's while twiddling my VOR:

Tune
Identify
Test
Select
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DBChopper

CPL(H) finally!
R22 R44
Redhill
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haggishunter
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Location: Stavanger, Norway


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PostPosted: Tue Jun 28, 2011 2:09 pm    Post subject: Reply with quote

For altimeters;

Wind off millibars, wind off height.

Wind on millibars, wind on height.
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ATPL(H) IR(H): SK92, AS355, EC120, R22/44

"When the tough gets going, the tough eat haggis!"
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flip2
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PostPosted: Wed Jun 29, 2011 2:10 pm    Post subject: Reply with quote

*off topic* What is your company SOP for altimeter cross checking, HaggisHunter?
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haggishunter
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PostPosted: Wed Jun 29, 2011 6:23 pm    Post subject: Reply with quote

During pre-start checklists we go through an instrument check. During this all 3 altimeters are cross-checked for errors. I do a second check on the standby (clockwork one).

Set QNH and note reading
Add 10mb and check approx 250-300 increase
Set QNH
Subtract 10mb and check approx 250-300 decrease

Old habbit, but a good check for a duff altimeter.

We always have the same setting on all 3 altimeter and there is an SOP to cross-check them after any change. We also give altitude call outs (500ft to go and 100ft to go) when climbing or descending. Only ever use local/regional QNH or 1013 for flight levels.

If we have a difference in settings between the two pilots altimeters by >5mb then a yellow arrow will appear on both of them to indicate a miscompare of information being fed into the computer things.

Does anyone use QFE anymore?

Radalt and minima bugs change depending which phase of flight we are in, but I won't bore you with all that.

HH
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ATPL(H) IR(H): SK92, AS355, EC120, R22/44

"When the tough gets going, the tough eat haggis!"
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flip2
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PostPosted: Wed Jun 29, 2011 8:02 pm    Post subject: Reply with quote

Thanks HaggisHunter. Is your 10 up / 10 down an SOP or personal preference?

Re QFE - I think France may still be a fan, and maybe the military are clinging onto it? I stand to be corrected.
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haggishunter
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PostPosted: Wed Jun 29, 2011 8:59 pm    Post subject: Reply with quote

Personal check, old habbit.
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ATPL(H) IR(H): SK92, AS355, EC120, R22/44

"When the tough gets going, the tough eat haggis!"
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flip2
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PostPosted: Thu Jun 30, 2011 7:22 am    Post subject: Reply with quote

Thanks again Smile
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