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Search: Posts Made By: Gauges and Dials
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20th Jun 2019, 01:43
Replies: 20
Views: 9,953
Posted By Gauges and Dials

It's also worth remembering that the dive tables...

It's also worth remembering that the dive tables were originally developed empirically: If more than a tiny percentage of divers got bent diving a particular profile, they shortened the bottom time...
Forum: Tech Log
18th Jun 2019, 14:38
Replies: 33
Views: 6,431
Posted By Gauges and Dials

Complex ecosystems resist change

Complex technology ecosystems, in which there are many producers and consumers of data, tend to be very resistant to change. The producers of the data need to keep producing it in the "old" format as...
10th Jun 2019, 22:12
Replies: 37
Views: 21,680
Posted By Gauges and Dials

This is a case in which the difference between...

This is a case in which the difference between theory and practice is greater in practice than it is in theory.

GPS gives you a series of positions. Which means, as theory pedants like me will...
13th May 2019, 17:41
Replies: 11
Views: 10,412
Posted By Gauges and Dials

kind of curdles the innards a little bit to read...

kind of curdles the innards a little bit to read that, no?
13th May 2019, 02:09
Replies: 138
Views: 60,697
Posted By Gauges and Dials

It certainly appears, on the face, with regard to...

It certainly appears, on the face, with regard to the incident that started this thread, that offloading an exit row passenger who refuses to answer the crew's questions about preparedness to assist,...
12th May 2019, 04:53
Replies: 45
Views: 13,850
Posted By Gauges and Dials

After a disturbingly firm landing, a cabin...

After a disturbingly firm landing, a cabin announcement along the lines of "Please remain seated with your seat belt securely fastened while the captain taxis what's left of the aircraft to the...
11th May 2019, 21:23
Replies: 138
Views: 60,697
Posted By Gauges and Dials

The 737 Max fiasco was due to managers failing to...

The 737 Max fiasco was due to managers failing to correctly trade off safety vs profits and failing to correctly calculate how many accidents per decade they can tolerate.

As I pointed out...
11th May 2019, 02:50
Replies: 138
Views: 60,697
Posted By Gauges and Dials

Wow. It's always the case that one...

Wow.



It's always the case that one could spend incremental money and achieve incremental safety. Third crewmember in the cockpit? Go from triple redundant hydraulics to quadruple redundant?...
10th May 2019, 20:21
Replies: 138
Views: 60,697
Posted By Gauges and Dials

A perfect microcosm for larger industry issues

This comments thread is a perfect microcosm for a larger set of issues in the airline industry. From the way CEOs talk to the investment community, to the way front-line staff interact with...
10th May 2019, 14:30
Replies: 138
Views: 60,697
Posted By Gauges and Dials

I suspect that particular bit of the briefing is...

I suspect that particular bit of the briefing is there based on having observed real world behavior in real emergencies and training simulations. Most passengers use an automobile seat belt every...
10th May 2019, 14:21
Replies: 138
Views: 60,697
Posted By Gauges and Dials

Well of course, writing like a lawyer is entirely...

Well of course, writing like a lawyer is entirely appropriate when discussing a legal matter. Would you rather have him or her writing like a surgeon, a chef, or a painter?
Forum: Tech Log
8th May 2019, 08:21
Replies: 52
Views: 7,764
Posted By Gauges and Dials

Getting to the pole is easy, just keep steering...

Getting to the pole is easy, just keep steering 000 True. ;-)
There's a tiny bit on the navigation here:...
Forum: Tech Log
7th May 2019, 03:34
Replies: 52
Views: 7,764
Posted By Gauges and Dials

This is a key point. Neither the concept of...

This is a key point. Neither the concept of heading nor the concept of longitude make any mathematical sense at the north pole. That's not an engineering limitation of any compass, gyro, INS, or GPS...
22nd Mar 2019, 04:36
Replies: 2
Views: 2,523
Posted By Gauges and Dials

Honestly I'm just curious -- My bailiwick is...

Honestly I'm just curious -- My bailiwick is sensors and automation so I'm about as far removed from dealing with drunk passengers as could be.
21st Mar 2019, 19:07
Replies: 2
Views: 2,523
Posted By Gauges and Dials

Drunk passengers: How frequent?

With all the discussion of misbehaving drunk passengers, I'm curious as to the extent of the problem. About how many times per year do you encounter a drunk passenger situation that:

Comes to...
20th Mar 2019, 01:23
Replies: 45
Views: 20,918
Posted By Gauges and Dials

Quick poll as to the extent of the problem: About...

Quick poll as to the extent of the problem: About how many times per year to you need to remove a passenger from your aircraft due to drunkenness?
19th Mar 2019, 22:11
Replies: 45
Views: 20,918
Posted By Gauges and Dials

Drinking your own alcohol is not per se illegal...

Drinking your own alcohol is not per se illegal in the US. Legally, you can only drink alcohol that is served to you by a crew member, and you cannot be drunk. I know of at least one airline that...
14th Mar 2019, 16:41
Replies: 908
Views: 927,057
Posted By Gauges and Dials

AOA from inertial data?

This keeps coming up... I don't understand how inertial data can tell you anything about AOA, unless you make the assumption that the air outside the aircraft is stationary with respect to the...
Forum: Tech Log
12th Feb 2019, 20:15
Replies: 19
Views: 1,937
Posted By Gauges and Dials

Not without referencing signals from GPS...

Not without referencing signals from GPS satellites, they couldn't. The unit in question here does not depend upon any external signals
9th Feb 2019, 02:52
Replies: 11
Views: 6,140
Posted By Gauges and Dials

Conversely: The purpose of punishment is to...

Conversely:

The purpose of punishment is to deter: people will think twice about misbehaving if there is a severe consequence. They make a rational choice and avoid the consequence.

Insane...
Forum: Tech Log
27th Jan 2019, 19:07
Replies: 37
Views: 6,342
Posted By Gauges and Dials

Why not? It should, if that's the correct thing...

Why not? It should, if that's the correct thing to do in that particular recovery situation


In which case the FD would be in error, which would suggest that the FD was improperly designed,...
Forum: Tech Log
26th Jan 2019, 15:57
Replies: 37
Views: 6,342
Posted By Gauges and Dials

Because this is a professional pilots' forum, it...

Because this is a professional pilots' forum, it is sensible that the attention ought to be first on things that pilots can directly control (piloting technique) and secondly on things that pilots...
16th Nov 2018, 22:56
Replies: 61
Views: 17,296
Posted By Gauges and Dials

A little basic numeracy is in order

The industry carries millions of passengers per day, and incidents such as this seem to be in the small single digits. Statistically speaking, it doesn't seem to be a problem worth very much...
16th Nov 2018, 22:53
Replies: 61
Views: 17,296
Posted By Gauges and Dials

It's legally fuzzy. An airline is a common...

It's legally fuzzy.

An airline is a common carrier. That gives them a large number of immunities and privileges. For example, If I give you a ride to NYC to go rob a bank, I'm potentially a...
14th Nov 2018, 22:55
Replies: 61
Views: 17,296
Posted By Gauges and Dials

Careful there....

Some folks like that.

Many moons ago, well before 9/11, a British airline equipped its aircraft with police-style handcuffs, and it was reported that most of them promptly went missing. A...
Showing results 1 to 25 of 216
 


 
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