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Search: Posts Made By: Badmachine
Showing results 1 to 35 of 86
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Forum: Tech Log
2nd Nov 2011, 21:58
Replies: 3
Views: 1,402
Posted By Badmachine

Thanks Aterpster. :ok: How do ATC computers...

Thanks Aterpster. :ok:

How do ATC computers reunite a separated secondary return with its primary return? In the case of the noted flight, the returns did not reunite. Would even the entry of an...
Forum: Tech Log
1st Nov 2011, 04:57
Replies: 3
Views: 1,402
Posted By Badmachine

Re: Transponder: Secondary Return "Coast" From Primary Return

What exactly is being described here and why would this occur?:

"Assigned transponder code ... changed ... the secondary radar return (transponder) indicating aircraft speed, altitude, and flight...
Forum: Tech Log
25th Oct 2011, 21:36
Replies: 1
Views: 838
Posted By Badmachine

Transponder Code Changing/Flight Plan Changing

For big Boeings and Airbuses, thought that moving a stored flight plan to the active flight plan was done via the MCDU.

Didn't know that operating the transponder could cause a stored flight plan...
Forum: Tech Log
27th Sep 2011, 04:39
Replies: 7
Views: 9,415
Posted By Badmachine

Thanks GB. Would you know precisely how...

Thanks GB.

Would you know precisely how programming of the Aircraft Identification Module (AIM) is performed?

The earlier linked memo seemed to suggest that such AIM programming was...
Forum: Tech Log
26th Sep 2011, 06:38
Replies: 7
Views: 9,415
Posted By Badmachine

Mode S & ICAO 24 Bit Aircraft ID Questions

- How long (if at all) have US airline Boeing and Airbus planes been required to possess a 24 bit aircraft address for Mode S functions?

- How and where are these addresses set and contained?...
Forum: Tech Log
2nd Sep 2011, 22:03
Replies: 2
Views: 1,289
Posted By Badmachine

FDR Time Sources?

Do FDRs:

- contain their own independent clock?
- base time on the FMC clock?
- base time as provided by GPS?

:confused:
Forum: Tech Log
23rd Mar 2011, 18:39
Replies: 5
Views: 1,824
Posted By Badmachine

Thanks guys! Don't know what I would do without...

Thanks guys! Don't know what I would do without you!

:}
Forum: Tech Log
23rd Mar 2011, 09:28
Replies: 5
Views: 1,824
Posted By Badmachine

Basic Airlines ACARS Question

What type of aircraft performance or related data do ACARS capable Boeing and Airbus aircraft automatically transmit to an airline or air traffic control and how often?

Thanx :ok:
Forum: Tech Log
12th Jan 2011, 21:51
Replies: 3
Views: 9,513
Posted By Badmachine

Aircraft Weight And Turn Performance

Could one explain how aircraft weight may or may not effect aircraft turning ability or cite a link to such information?

Are control surfaces less effective for a turning aircraft when it is...
Forum: Tech Log
3rd Oct 2010, 23:26
Replies: 14
Views: 5,348
Posted By Badmachine

Turn Radius Formula & Ascending/Descending Turns

When calculating the turn radius for an ascending or descending turn, does the gravitional constant value need to be adjusted accordingly?

Could the standard turn radius formula apply to...
Forum: Tech Log
10th Sep 2010, 06:40
Replies: 23
Views: 8,101
Posted By Badmachine

One example would be: P (plane): approximate...

One example would be:

P (plane): approximate compass bearing 209° (traveling approximately southwest) at 272 f/s (185 mph); W (wind): traveling south at 32 f/s (22 mph).

Plane and wind vector...
Forum: Tech Log
7th Sep 2010, 06:58
Replies: 23
Views: 8,101
Posted By Badmachine

In theory, could one perform a separate vector...

In theory, could one perform a separate vector calulation for each degree of turn traveled, then calculate the average lateral displacement of all degrees of turn traveled to obtain a correct lateral...
Forum: Tech Log
2nd Sep 2010, 04:26
Replies: 23
Views: 8,101
Posted By Badmachine

Thanks PBL. So, if I understand correctly in...

Thanks PBL.

So, if I understand correctly in general, an RF leg (of equal speed to a straight leg) would experience greater drift due to the greater distance traveled and time spent traveling?
Forum: Tech Log
1st Sep 2010, 06:12
Replies: 23
Views: 8,101
Posted By Badmachine

For example: Plane 1 attempts to fly from...

For example:

Plane 1 attempts to fly from point A to point B, but drifts laterally "X" feet due to crosswind by the time it was to have reached point B.

Plane 2 then attempts to fly an RF leg...
Forum: Tech Log
1st Sep 2010, 03:06
Replies: 23
Views: 8,101
Posted By Badmachine

Wind Triangle Vectors & Curved Trajectories

Can Wind Triangle vector calculations apply to curved trajectories or turns?
Forum: Tech Log
25th Jul 2010, 22:55
Replies: 4
Views: 1,359
Posted By Badmachine

Non-Fly-By-Wire EGPWS "Assisted Recovery"

Unlike fly-by-wire Airbus's and Boeings, can non-fly-by-wire Boeings also implement auto-pilot based "assisted recovery" functions related to the Enhanced Ground Proximity Warning System (autopilot...
Forum: Tech Log
28th May 2010, 08:33
Replies: 6
Views: 16,840
Posted By Badmachine

Thanks Exeng and MI. Useful information. By...

Thanks Exeng and MI. Useful information.

By the way, do the Boeing bank angle limits vary by airline or nation?

Are the limits imposed by FMC software or based on other manual settings?
...
Forum: Tech Log
27th May 2010, 21:13
Replies: 6
Views: 16,840
Posted By Badmachine

Built-In Bank Angle Limits

Do large commercial Boeings have built-in bank angle limits as Airbuses do under autopilot or manual control? (e.g: 25, 35 or more degrees)

Are these built-in limits if any, easliy adjustable or...
Forum: Tech Log
15th May 2010, 20:52
Replies: 0
Views: 1,066
Posted By Badmachine

Commercial Boeing/Airbus Bank Rates

Is there a maximum bank/roll rate (degrees per second) for big commercial Boeing/Airbus planes during manual or autopilot controlled turns?

Can such roll rates be modified through FMS software...
Forum: Tech Log
30th Apr 2010, 22:03
Replies: 2
Views: 1,590
Posted By Badmachine

Big Boeing/Airbus Autopilot Performance

During flight under RNP conditions or approach operations under ILS, how responsive are big Boeing/Airbus autopilots when adjusting to varying winds that might affect waypoint interception or create...
Forum: Tech Log
13th Apr 2010, 10:40
Replies: 14
Views: 3,597
Posted By Badmachine

Obtained some unexpected results. Logically, as...

Obtained some unexpected results. Logically, as turn circumferences shrink, the number of degrees traveled around the circumferences at a given speed (799f/s) increases. The distances between each...
Forum: Tech Log
21st Mar 2010, 22:39
Replies: 14
Views: 3,597
Posted By Badmachine

Thanks Capt. Pit Bull. :ok: Your helpful...

Thanks Capt. Pit Bull. :ok:

Your helpful equations seem to make sense. Was surprised at how little distance is generated by two high speed aircraft (traveling at 799f/s) and turning with a angle...
Forum: Tech Log
18th Mar 2010, 22:32
Replies: 15
Views: 3,178
Posted By Badmachine

"Radius of turn is a function of bank angle and...

"Radius of turn is a function of bank angle and ground speed."

Could you elaborate? It seems that the "V" in the formula for radius of turn refers to airspeed instead of groundspeed (at least to...
Forum: Tech Log
18th Mar 2010, 21:43
Replies: 14
Views: 3,597
Posted By Badmachine

Distance Between Two Planes With Different Turn Radiuses

Is there a method for calculating the distance between two planes turning at a common point, traveling at the same speed and simultaneously performing turns with two different turn radiuses?

For...
Forum: Tech Log
13th Mar 2010, 21:12
Replies: 15
Views: 3,178
Posted By Badmachine

Thanks for the replies. Still looking for...

Thanks for the replies.

Still looking for that elusive formula or descending turn calculator that would allow one to manipulate different descending turn variables. :{
Forum: Tech Log
12th Mar 2010, 21:03
Replies: 15
Views: 3,178
Posted By Badmachine

Question About Descending Turns

During a descending turn, if angle of bank (AoB) and angle of descent (AoD) remain constant or unchanging, will that therfore result in a constant or unchanging turn radius?
Forum: Tech Log
11th Mar 2010, 21:18
Replies: 14
Views: 12,170
Posted By Badmachine

Thanks for replies. Regarding descending...

Thanks for replies.

Regarding descending turns, what affect will changes in angle of descent have upon a change in turn radius (if any)? Online turn calculators specify they cannot calculate a...
Forum: Tech Log
8th Mar 2010, 11:12
Replies: 6
Views: 1,603
Posted By Badmachine

Thanks WS. For determining a...

Thanks WS.

For determining a climbing/descending turn radius for a given AoB, could one then simply utilize the basic level flight turn radius formula (R = v^2/11.26TanAoB), then muliply the...
Forum: Tech Log
8th Mar 2010, 05:02
Replies: 6
Views: 1,603
Posted By Badmachine

Thanks. It seems that if a rate of...

Thanks.

It seems that if a rate of ascent/descent and AoB were unchanging, that a turn radius would also be unchanging. Perhaps the effect of changing rates of ascents/descents on a turn radius...
Forum: Tech Log
7th Mar 2010, 23:00
Replies: 6
Views: 1,603
Posted By Badmachine

Affect Of Ascent/Descent Upon Turn Radius

In general, what is the affect if any, upon an aircraft turn radius for a given angle of bank (AoB) during ascending and descending turns, compared to level turns using the same AoB? Will a turn...
Forum: Tech Log
4th Mar 2010, 21:26
Replies: 14
Views: 12,170
Posted By Badmachine

Thanks for the replies. Would this be the...

Thanks for the replies.

Would this be the correct formula for calculating a bank angle:

Bank Angle = arctan(v^2/11.26r)
Forum: Tech Log
2nd Mar 2010, 01:46
Replies: 14
Views: 12,170
Posted By Badmachine

Calculating Turn Radius Change During Bank Angle Change

Is there a standard formula for determing the rate of change for an aircraft turn radius, while the aircraft angle of bank (AoB) is also changing? (from 0 degrees AoB - 40 degrees AoB during a turn...
Forum: Tech Log
28th Feb 2010, 10:47
Replies: 7
Views: 2,977
Posted By Badmachine

767 Autoflight Bank Angle Limits: MCP v. FMC

For the B767-200, is banking restricted to 25 degrees during autoflight operation via the FMC, as it is via the MCP?

Thanx.
Forum: Tech Log
13th Oct 2009, 04:08
Replies: 12
Views: 2,017
Posted By Badmachine

Will affect of lateral force on an aircraft with...

Will affect of lateral force on an aircraft with a neutrally positioned rudder (crosswind) be reduced by greater airspeed?

I'm fairly certain this relationship can be described mathmatically.
Forum: Tech Log
13th Oct 2009, 02:59
Replies: 12
Views: 2,017
Posted By Badmachine

Airpseed & Directional Stability Relationship

In general, would greater airspeed reduce the affect of crosswinds on an aircraft's directional stability or a neutrally positioned rudder's performance?
Showing results 1 to 35 of 86
 
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