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Forum: Tech Log
1st Jun 2016, 13:29
Replies: 11
Views: 2,370
Posted By ATCast

Most Airbus and Boeing aircraft already transmit...

Most Airbus and Boeing aircraft already transmit ADS-B messages. However, they are currently not all compliant to the ADS-B mandates of Australia, Europe, USA and others. Both Airbus and Boeing offer...
Forum: Tech Log
15th Nov 2015, 22:23
Replies: 26
Views: 12,810
Posted By ATCast

From aviation.stackexchange.com...

From aviation.stackexchange.com (http://aviation.stackexchange.com/a/14581/19):

Selecting code 2000 before shutdown prevents the aircraft squawking a conflicting code when it the transponder is...
12th Nov 2015, 22:01
Replies: 18
Views: 5,878
Posted By ATCast

1090 MHz is the frequency that is used by the...

1090 MHz is the frequency that is used by the transponders to reply to radar & TCAS interrogations and is also used for transmission of ADS-B messages.
Aireon (http://aireon.com/) is currently...
Forum: Tech Log
7th Oct 2015, 10:59
Replies: 3
Views: 1,683
Posted By ATCast

It all depends on what the loss model takes into...

It all depends on what the loss model takes into account.


The propagation pattern of the ground antenna is usually not omnidirectional. Usually the maximum gain of the antenna is found a couple...
Forum: ATC Issues
2nd Sep 2015, 13:17
Replies: 20
Views: 5,300
Posted By ATCast

Safegate provides runway incursion detection &...

Safegate provides runway incursion detection & alerting on their airport ighting control & A-SMGCS systems. They have it installed in Singapore and other airports.

From their website:
...
Forum: ATC Issues
29th Apr 2015, 20:34
Replies: 5
Views: 4,475
Posted By ATCast

You've understood it correctly. It is not only in...

You've understood it correctly. It is not only in Germany though, a large part of Europe uses conspicuity code A1000 for Mode S flight identification.

Basically there are 3 Mode A code allocation...
Forum: ATC Issues
24th Apr 2015, 00:28
Replies: 7
Views: 3,926
Posted By ATCast

What kind of aircraft / transponder ?

What kind of aircraft / transponder ?
Forum: Tech Log
25th Jan 2015, 11:22
Replies: 3
Views: 2,126
Posted By ATCast

Take look at the Minimum Operational Performance...

Take look at the Minimum Operational Performance Standards for TCAS II. This document defines the TCAS message formats.
The document can be obtained through RTCA as document DO-185,latest revision...
Forum: Tech Log
7th Jan 2015, 23:12
Replies: 15
Views: 3,182
Posted By ATCast

In an unreliable airspeed event the Mode S...

In an unreliable airspeed event the Mode S reported IAS should be treated as unreliable too. It comes from the same air data computers.
Forum: ATC Issues
10th Nov 2014, 15:31
Replies: 24
Views: 12,292
Posted By ATCast

In addition to the causes mentioned by...

In addition to the causes mentioned by DaveReidUK, transponder swaps between aircraft cause duplications as well. When a transponder is installed from the maintenance workshop and it was installed...
Forum: ATC Issues
10th Nov 2014, 11:21
Replies: 24
Views: 12,292
Posted By ATCast

The 24 bit Mode S address should uniquely...

The 24 bit Mode S address should uniquely identify an aircraft. A Mode S radar sends addressed interrogations to which only the transponder with the corresponding address will reply. This is the...
7th Nov 2014, 09:46
Replies: 13
Views: 3,917
Posted By ATCast

Buffalo strike at Surat, India

Boeing 737 Crashes Into Stray Buffalo During Take Off! Passengers Safe (http://www.inquisitr.com/1591752/boeing-737-crashes-into-stray-buffalo-india/)

A Boeing 737 of SpiceJet collided with a...
Forum: Tech Log
28th Oct 2014, 18:58
Replies: 34
Views: 12,966
Posted By ATCast

Be grateful for people that watch after each...

Be grateful for people that watch after each other. As an A320 driver maybe he should have known that it was an outflow valve he was looking at, but you can't expect everyone to know all the details...
Forum: Tech Log
15th Jul 2014, 07:44
Replies: 1
Views: 932
Posted By ATCast

You can obtain these documents from RTCA directly...

You can obtain these documents from RTCA directly (http://www.rtca.org/store_product.asp?prodid=734).

These documents are copyrighted which makes them unsuitable for "lending".
Forum: Tech Log
30th Jun 2014, 13:38
Replies: 15
Views: 4,279
Posted By ATCast

EGPWS used primarily GPS height above mean sea...

EGPWS used primarily GPS height above mean sea level for vertical reference, usually augmented by a barometric source for short term variations.
Altimeter setting has no effect on EGPWS.
Forum: Questions
1st Jan 2014, 15:14
Replies: 9
Views: 1,761
Posted By ATCast

You would set 1023 and level at 4000' wouldn't...

You would set 1023 and level at 4000' wouldn't you?

If you would then set 1013 again, your reading would be lower, 3700 would be about it.
Forum: ATC Issues
29th Nov 2013, 08:48
Replies: 5
SSR
Views: 2,044
Posted By ATCast

The short answer is yes, ADS-B is transmitted...

The short answer is yes, ADS-B is transmitted from the Mode S tranponder.

There are three radio technologies that are in use for ADS-B. The one that is most common is working on 1090MHz, the same...
Forum: ATC Issues
27th Nov 2013, 17:09
Replies: 18
Views: 7,001
Posted By ATCast

RNAV (Area Navigation) allows an aircraft to...

RNAV (Area Navigation) allows an aircraft to navigate on any paths that are defined on arbitrary points within the coverage of sufficient navigation aids.

Before RNAV, navigation points were...
Forum: ATC Issues
27th Nov 2013, 15:33
Replies: 5
SSR
Views: 2,044
Posted By ATCast

Traditional civil Secondary Surveillance Radars...

Traditional civil Secondary Surveillance Radars interrogate in Mode A and Mode C.
A Mode C capable radar transponder will encode the altitude in the reply to a radar Mode C interrogation; there...
Forum: Tech Log
30th Aug 2013, 09:35
Replies: 2
Views: 2,780
Posted By ATCast

The two antennas are there because the airframe...

The two antennas are there because the airframe would otherwise shield the radio signal causing blind spots for TCAS, Radar and ADS-B. The transponder replies to interrogations through the antenna on...
22nd Aug 2013, 16:14
Replies: 3
Views: 1,818
Posted By ATCast

Those are a few major categories, but within each...

Those are a few major categories, but within each of those you have a lot of different software packages for various functions, running on different pieces of hardware. Often there is redundancy in...
Forum: Tech Log
14th Aug 2013, 13:41
Replies: 8
Views: 3,385
Posted By ATCast

The main engine parameter of piston aircraft is...

The main engine parameter of piston aircraft is horse power because the engine delivers approximately the same power anywhere in the normal speed envelope of the aircraft.

The faster a piston...
Forum: Questions
14th Aug 2013, 12:54
Replies: 2
Views: 1,368
Posted By ATCast

Assuming your location is Europe and/or you are...

Assuming your location is Europe and/or you are planning to operate in European RVSM airspace, you will need to get RVSM approval from you regulator.

More information here:
European RVSM...
25th Jun 2013, 20:07
Replies: 46
Views: 23,234
Posted By ATCast

ATC will ask you to fly heading because every...

ATC will ask you to fly heading because every aircraft indicates heading (by certification). Not all aircraft can fly a track. Maintaining a list of who can and who can't is less practical than just...
Forum: Tech Log
11th Jun 2013, 13:11
Replies: 9
Views: 2,995
Posted By ATCast

The data that is send down from the satellites is...

The data that is send down from the satellites is described in the GPS interface specification document: GPS interface specification (http://www.navcen.uscg.gov/pdf/IS-GPS-200D.pdf)

You'll find...
Showing results 1 to 25 of 119
 


 
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