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Search: Posts Made By: ve7pnl
Showing results 1 to 13 of 13
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Forum: Rumours & News
1st Jun 2016, 21:54
Replies: 1,184
Views: 2,630,558
Posted By ve7pnl

ELB Run Time

The usual ULBs have a run time of 30 days. Certainly in the case of AF447 that run time was not adequate. In the case of MH370 there was probably no satisfactory search area to even begin looking for...
Forum: Rumours & News
22nd Dec 2015, 00:39
Replies: 3,923
Views: 4,450,039
Posted By ve7pnl

Stall Warning

Reminds me of a talking depth sounder I designed many years ago for fishermen in the shallow regions of the Bering Sea. It would call out the depth on a speaker out on deck every 15 seconds - faster...
Forum: Rumours & News
1st Nov 2015, 00:30
Replies: 2,082
Views: 2,495,445
Posted By ve7pnl

ADS-B to FR24

My ADS-B receiver was provided by FR24 and it has both an ADS-B antenna and a separate apparently amplified GPS antenna. My assumption is that the reports that go out are time stamped with time of...
Forum: Rumours & News
18th Sep 2015, 18:59
Replies: 139
Views: 114,103
Posted By ve7pnl

GPS Confirmation

Would it be crazy (or even supported by hardware) for the EFB to know the long/lat for the entered intersection takeoff point and make bad noises if the GPS does not agree? Simple automatic check of...
Forum: Rumours & News
29th May 2014, 22:19
Replies: 11,831
Views: 24,201,133
Posted By ve7pnl

Not a pinger

The 1.1 second pulse rate and the frequency sound about like a hydrographic sonar system I worked on designing back in the late sixties. At 4800 feet per second in water and a two way path that is...
Forum: Rumours & News
11th Apr 2014, 20:27
Replies: 11,831
Views: 24,201,133
Posted By ve7pnl

Airline Safety Solutions from PPRUNE

Despite the sometimes zealous intervention of our esteemed moderators (which I applaud) we the denizens of this clearinghouse of rumour, fact and opinion have collectively provided a roadmap for...
Forum: Rumours & News
7th Apr 2014, 17:40
Replies: 11,831
Views: 24,201,133
Posted By ve7pnl

Sonar Pulse Range in Water

Dai Farr - A fine summary

Long ago in another job I designed the electronics for hydrographic survey work. Things have changed a lot since then.

Those who have followed this thread have heard...
Forum: Rumours & News
10th Mar 2014, 06:01
Replies: 11,831
Views: 24,201,133
Posted By ve7pnl

Wacko Scenario

There have been such a wide range of theories, many of them reflecting a lack of aviation knowledge that I've decided there is room for one more.

Perhaps some triple 7 experts can rule out this...
Forum: Rumours & News
10th Jul 2013, 06:29
Replies: 2,403
Views: 2,196,487
Posted By ve7pnl

Breakthrough: Insight from the Media

At last some new information about the possible cause of the accident...

Many media are now carrying a story attributed to Associated Press that includes this gem regarding KSFO:

"In a news...
Forum: Rumours & News
10th Jul 2013, 06:14
Replies: 2,403
Views: 2,196,487
Posted By ve7pnl

The Sounds and Feel of 777 at 105 knots

I'd like to ask some triple 7 drivers about the cockpit airflow acoustic sound difference between 140 and 105 knots. But the only triple 7 cockpit crew who have the experience to comment on the...
Forum: Rumours & News
19th Jun 2012, 21:53
Replies: 727
Views: 617,275
Posted By ve7pnl

Incredible Speed

So - two ways to interpret this:

"IATCA president I Gusti Ketut Susila said the distance between the plane’s last known coordinates from Mt. Salak was 14 kilometers. At 290 knots or 450 kph,...
Forum: Rumours & News
14th Sep 2010, 01:55
Replies: 26
Views: 20,716
Posted By ve7pnl

Reversed Controls?

We won't know for sure for awhile if the unlikely cause was reversed controls...

After about 600 hours in C150, C182 and Citabria I read an NTSB report of a poor guy that took off in a GA plane...
Forum: Rumours & News
14th Sep 2010, 01:49
Replies: 568
Views: 317,238
Posted By ve7pnl

Stable Approach

That sums it up in a nutshell!:D
Showing results 1 to 13 of 13


 
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