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Search: Posts Made By: italia458
Showing results 1 to 35 of 382
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Forum: Flying Instructors & Examiners
22nd Feb 2018, 23:46
Replies: 60
Views: 27,268
Posted By italia458

Look at some thrust horsepower graphs. ...

Look at some thrust horsepower graphs.

Tangential line through origin is best angle climb speed. Highest point is best climb speed.

Speed is true airspeed.
Forum: Tech Log
20th Feb 2018, 17:11
Replies: 112
Views: 38,592
Posted By italia458

Which also plays by the same physics that a full...

Which also plays by the same physics that a full size aircraft does, and the same physics that a C172 does, and the same physics as a B747 does, etc.

Physics doesn't change - the conditions do.
...
Forum: Tech Log
20th Feb 2018, 05:08
Replies: 112
Views: 38,592
Posted By italia458

I agree with your general point. And so I would...

I agree with your general point. And so I would argue that you’d require more finesse to recovery at 400’!

By recovering at 400’ you’re riding a fine line between unstalling enough to be...
Forum: Tech Log
11th Aug 2015, 11:04
Replies: 10
Views: 4,859
Posted By italia458

You're good at math! ;) There may be more...

You're good at math! ;)

There may be more than 2 flaps 35 tail strikes though...
Forum: Tech Log
11th Aug 2015, 01:26
Replies: 10
Views: 4,859
Posted By italia458

PoC: Wow! Unbelievable....

PoC:

Wow! Unbelievable....
Forum: Tech Log
10th Aug 2015, 06:11
Replies: 10
Views: 4,859
Posted By italia458

Q400 tail strikes

Up till 2013, there have been 20 Q400 tail strikes according to Bombardier. As far as I know every single one of them has been at flaps 15. Does anyone know of a tail strike on the Q happening with...
Forum: Tech Log
16th Oct 2014, 18:38
Replies: 43
Views: 34,576
Posted By italia458

PappyJ.. There is no CARs reference. Here is...

PappyJ..

There is no CARs reference. Here is the AIC on GPS use: http://www.navcanada.ca/EN/products-and-services/Documents/AIP/Current/part_5_aic/5aic_eng_2008_16.pdf#top

Look at paragraph...
Forum: Tech Log
16th Oct 2014, 07:49
Replies: 69
Views: 17,094
Posted By italia458

The aircraft I fly (Metro 3) has no autopilot....

The aircraft I fly (Metro 3) has no autopilot. That means hand flying it all the way up to FL250 with passengers on board (or FL310 without pax). I've been up to FL310 once before - it feels more and...
Forum: Tech Log
14th Oct 2014, 05:33
Replies: 43
Views: 34,576
Posted By italia458

Kefuddle.. That doesn't sound right. Which...

Kefuddle..

That doesn't sound right. Which country are you talking about? Edit: I see you're in London.



Why would you fly an ILS on top of a VOR/DME and monitor the VOR/DME? Why not just...
Forum: Tech Log
13th Oct 2014, 17:41
Replies: 43
Views: 34,576
Posted By italia458

Elephant.. I agree. And if you are...

Elephant..



I agree. And if you are visual with the ground, you need to request either a contact or visual approach before you're allowed to deviate from the instrument approach that you've...
Forum: Tech Log
12th Oct 2014, 19:55
Replies: 13
Views: 3,838
Posted By italia458

Agreed. The pilot was messing around with slow...

Agreed. The pilot was messing around with slow speed and uncoordinated flight and for some reason did that at very low altitude. Sad.

http://imgur.com/a/q9oYM#0

#1: Ailerons neutral, right...
Forum: Tech Log
10th Oct 2014, 19:26
Replies: 69
Views: 17,094
Posted By italia458

John, I think I found a more definitive...

John,

I think I found a more definitive source showing that you are correct.

The Part 23 Flight Test Guide says this under 23.201:



RetiredF4,
Forum: Tech Log
10th Oct 2014, 19:16
Replies: 43
Views: 34,576
Posted By italia458

Airmann, If the traditional NAVAID is down...

Airmann,

If the traditional NAVAID is down for the approach, what data is your FMS using to continue providing guidance to you?

The FMS has multiple inputs including INS, GPS, WAAS, VOR, NDB,...
Forum: Tech Log
10th Oct 2014, 07:36
Replies: 69
Views: 17,094
Posted By italia458

John, I read paragraph (d). If the airplane...

John,

I read paragraph (d). If the airplane doesn't roll more than 15 degrees, why would there be a need to move the ailerons from neutral?

If the airplane is consistently rolling left when...
Forum: Tech Log
9th Oct 2014, 23:23
Replies: 69
Views: 17,094
Posted By italia458

Good point, John! Thanks for that reference. ...

Good point, John! Thanks for that reference.

That is talking about roll control up to the point of stall. I haven't seen a requirement for positive roll control after the point of stall. My...
Forum: Tech Log
9th Oct 2014, 16:33
Replies: 43
Views: 34,576
Posted By italia458

No, an overlay approach generally doesn't require...

No, an overlay approach generally doesn't require the underlying NAVAID (NDB or VOR) to be serviceable. That's the case in Canada. But we're talking about a lot of countries here so you'd have to...
Forum: Tech Log
9th Oct 2014, 15:09
Replies: 43
Views: 34,576
Posted By italia458

Reality should match the book but it doesn't...

Reality should match the book but it doesn't always.

I'll give an example of an NDB approach in Canada that is NOT approved for a GPS overlay.

Example approach is the NDB RWY 01 into CZTM....
Forum: Tech Log
9th Oct 2014, 14:13
Replies: 69
Views: 17,094
Posted By italia458

The training requirement has been this way for a...

The training requirement has been this way for a long time: 1) approach to stall with ground contact imminent, and 2) approach to stall with ground contact not imminent.

The only difference I see...
Forum: Tech Log
9th Oct 2014, 04:00
Replies: 69
Views: 17,094
Posted By italia458

Clandestino... It has definitely been...

Clandestino...



It has definitely been taught to power out of a stall event and it is definitely possible to do so in a number of airplanes.

A stall event is any condition where you have a...
Forum: Freight Dogs
7th Oct 2014, 17:00
Replies: 2
Views: 4,740
Posted By italia458

Change it to 'lower the playing field' and you...

Change it to 'lower the playing field' and you got that right.

Brutal.

I think that astronaut testing is too discriminatory. It doesn't take into account my poor piloting skills... because I...
Forum: Tech Log
6th Oct 2014, 16:06
Replies: 69
Views: 17,094
Posted By italia458

I think this is part of the problem. ...

I think this is part of the problem.

Regulators and airlines need to mandate more theory and more practical training with regard to upset/stall experiences. There needs to be more aerodynamics...
Forum: Tech Log
20th Sep 2014, 03:32
Replies: 1
Views: 2,521
Posted By italia458

Aircraft design - gear neutral position

Hi,

I'm curious as to why some gear bogies are designed to be tilted on landing so the rear wheels touch first (787) and some so that all wheels touch at the same time (A350).

Does anyone...
Forum: Tech Log
18th Jul 2014, 22:26
Replies: 37
Views: 20,284
Posted By italia458

A little over a year late but I thought I'd post...

A little over a year late but I thought I'd post this document here since it explains many of the details that people in this thread are inquiring about.

It's about the history of the regulations...
Forum: Tech Log
7th Apr 2014, 17:24
Replies: 9
Views: 10,498
Posted By italia458

That 15 degree limitation most likely has to do...

That 15 degree limitation most likely has to do with requirements for single engine takeoff obstacle clearance that limits bank to 15 degrees below 400'.
Forum: Tech Log
7th Apr 2014, 17:18
Replies: 43
Views: 25,714
Posted By italia458

Can we use some common sense? If you're...

Can we use some common sense?

If you're already established in cruise and everything is working fine.... don't touch it!

The unreliable airspeed procedure calls for less power than cruise but...
Forum: Tech Log
9th Apr 2013, 22:54
Replies: 17
Views: 9,386
Posted By italia458

Natstrackalpha, For airplanes with certified...

Natstrackalpha,

For airplanes with certified engine-out performance, that information will be contained in the "Performance" section of the AFM.
Forum: Tech Log
9th Apr 2013, 22:50
Replies: 17
Views: 9,386
Posted By italia458

Hazelnuts and John T, Thanks for you help! I...

Hazelnuts and John T,

Thanks for you help! I think I'm understanding it now.



If I'm already on the takeoff roll at the limiting weight for performance and obstacles, how would the factor...
Forum: Tech Log
9th Apr 2013, 21:55
Replies: 9
Views: 22,044
Posted By italia458

Spir4, I'm glad I could help! I've been in...

Spir4,

I'm glad I could help! I've been in your position before regarding this exact subject and know the feeling.
Forum: Tech Log
9th Apr 2013, 18:43
Replies: 9
Views: 22,044
Posted By italia458

Here is another reference. It's from the JAA ATPL...

Here is another reference. It's from the JAA ATPL Performance book.

https://www.box.com/s/kuj20w5a8fd5mdizkwu5
Forum: Tech Log
9th Apr 2013, 18:23
Replies: 9
Views: 22,044
Posted By italia458

Spir4, First off, power does not equal...

Spir4,

First off, power does not equal thrust multiplied by time. Below are correct equations.

Work = force x distance
Power = work / time
Power = torque x angular velocity (e.g., RPM)...
Forum: Flight Testing
9th Apr 2013, 15:01
Replies: 14
Views: 4,904
Posted By italia458

John F, Don't some airplanes use stall...

John F,



Don't some airplanes use stall strips to ensure the airplane stalls 'evenly'? I've seen a number of airplanes that have stall strips only on one side.

Weekendflyer,
Forum: Tech Log
9th Apr 2013, 14:53
Replies: 17
Views: 9,386
Posted By italia458

Hazelnuts, So WAT limits are only...

Hazelnuts,



So WAT limits are only related to 25.121 and no other FAR?



So the gross gradient only needs to be 2.4% at the point the gear is retracted, and not a 2.4% gradient from gear...
Forum: Tech Log
8th Apr 2013, 21:29
Replies: 17
Views: 9,386
Posted By italia458

Feno, As you can see from the picture,...

Feno,



As you can see from the picture, the source seems to be the FAA. Below is a video where Coby Johnson, from the FAA, is giving a presentation using the slide that I referenced.

Airport...
Forum: Tech Log
8th Apr 2013, 20:32
Replies: 17
Views: 9,386
Posted By italia458

Understanding takeoff performance

It seems incredibly difficult to self-teach takeoff performance! I have :ugh: many times so far. I'll try to clearly explain my troubles and hopefully somebody will be able to help me clear it up.
...
Forum: Tech Log
8th Apr 2013, 17:20
Replies: 25
Views: 7,176
Posted By italia458

HazelNuts, You say that CAS takes into...

HazelNuts,

You say that CAS takes into account compression of the air which affects aerodynamic forces at certain speeds and is therefore a better indication of aerodynamic performance. Is that a...
Showing results 1 to 35 of 382
 
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