Questions tagged [surveillance]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
3
votes
3answers
314 views

When is squawk 1000 assigned in USA?

From Are squawk codes used with ADS-B?: Yes, squawk codes are still used and required with ADS-B. The post is 3 years old though. And from Wikipedia List of transponder codes: 1000: Used ...
6
votes
2answers
366 views

When will the Canadian ADS-B satellite system be implemented?

It is interesting that ADS-B is not mandated in Canada as of yet. If you fly in the US you quickly realize the benefits. Now as I understand it Nav Canada is the largest shareholder in Iridum but ADS-...
0
votes
1answer
180 views

What were DJI drones spying on? What data did they capture? [closed]

In late 2017, it was claimed that DJI (a very popular Chinese drone company) was working with the Chinese government to spy on the United States via their drones, or their drone controllers, which are ...
4
votes
0answers
130 views

What is the current state of the practice regarding surveillance and surveillance data integrity?

I am experiencing difficulties in finding out exactly how air traffic surveillance works in practice, and more specifically what is done to verify the integrity of surveillance data. ADS-B and other ...
3
votes
0answers
86 views

Are ASR and PAR approaches commonly used in Europe?

How common are ASR and PAR approaches these days? Are they still practiced anywhere in Europe?
3
votes
1answer
351 views

Why were these Hawkeyes flying in a circular pattern?

A couple of months ago I was near the Wallops Flight Facility in Virginia, when I saw 3 or 4 planes flying in a tight circular pattern. The planes were on the larger side, prop driven and had large ...
3
votes
2answers
835 views

Why doesn't ADS-B use satcoms like ADS-C?

With ADS-C, in the middle of remote areas (like ocean), we can send position report via satellite data link. So, why ADS-B systems on airplane uses ground based stations (VHF datalink) rather than ...
4
votes
3answers
647 views

What aircraft would have these tail numbers?

Last night I was looking at a flight radar on my phone, and I saw two blips flying close to each other over Camden, NJ. They were heading northeast at around 250 knots, and the only information ...
19
votes
4answers
6k views

How are aircraft separated in a non-radar environment?

In remote areas that have no radar (oceanic airspace, etc.) how is aircraft separation maintained so that airplanes don't get too close? What do areas that normally have radar do when there is a ...