Welcome Guest. Sign in or Signup

4 Answers

G1000 TCAS

Asked by: 8816 views ,
Aircraft Systems

How does a G1000 equipped aircraft (c172) "see" other traffic around? Based on their transponder?

Ace Any FAA Written Test!
Actual FAA Questions / Free Lifetime Updates
The best explanations in the business
Fast, efficient study.
Pass Your Checkride With Confidence!
FAA Practical Test prep that reflects actual checkrides.
Any checkride: Airplane, Helicopter, Glider, etc.
Written and maintained by actual pilot examiners and master CFIs.
The World's Most Trusted eLogbook
Be Organized, Current, Professional, and Safe.
Highly customizable - for student pilots through pros.
Free Transition Service for users of other eLogs.
Our sincere thanks to pilots such as yourself who support AskACFI while helping themselves by using the awesome PC, Mac, iPhone/iPad, and Android aviation apps of our sponsors.

4 Answers



  1. John D Collins on Apr 03, 2015

    Although I suspect a G1000 C172 could install a TCAS or TAS system, I suspect that they have a mode S transponder that can receive Mode S TIS traffic. This system is based on an ASR9 ground radar system that uplinks the nearest 8 targets that are within its service volume. The traffic displayed may be up to +3500 feet/-3000 feet and within 6 NM of the aircraft’s position, This system is available around about 100 sites in the US and extends out 50 to 60 NM from the radar site. The data update rate is about once every 5 or 6 seconds.

    0 Votes Thumb up 0 Votes Thumb down 0 Votes



  2. Shea Koenig on Apr 03, 2015

    I think what they’re are referring to would be the G1000 ADSB system. The aircraft we use at my flight school have ADSB equipped transponders that take current gps data and broadcast this info. Then other so equipped aircraft can see this data and the system displays it like a TCAS. I.e. Traffic alerts 500ft above etc. but they will not “see” non ADSB equipped aircraft. That’s the pilots job!! Hope this helped.

    0 Votes Thumb up 0 Votes Thumb down 0 Votes



  3. John D Collins on Apr 04, 2015

    Shea,

    ADS-B is not widely available in G1000 based aircraft and as far as I am aware, there is no ADS-B display of traffic on G1000 systems, although some (very few) do support ADS-B Out. What model of aircraft are you referring to?

    0 Votes Thumb up 0 Votes Thumb down 0 Votes



  4. Adam Broun on Apr 05, 2015

    As John says, TIS is the most likely answer, although it could also be an active system like Skywatch. Does the system draw a line showing the direction the traffic is moving? If so, it’s probably TIS. But to answer your question – yes, all these systems rely on the other aircrafts’ transponders.

    Here is an article that describes some of the different systems:
    http://www.aopa.org/News-and-Video/All-News/2011/February/1/Avionics-Traffic-systems

    0 Votes Thumb up 0 Votes Thumb down 0 Votes


The following terms have been auto-detected the question above and any answers or discussion provided. Click on a term to see its definition from the Dauntless Aviation JargonBuster Glossary.

Answer Question

Our sincere thanks to all who contribute constructively to this forum in answering flight training questions. If you are a flight instructor or represent a flight school / FBO offering flight instruction, you are welcome to include links to your site and related contact information as it pertains to offering local flight instruction in a specific geographic area. Additionally, direct links to FAA and related official government sources of information are welcome. However we thank you for your understanding that links to other sites or text that may be construed as explicit or implicit advertising of other business, sites, or goods/services are not permitted even if such links nominally are relevant to the question asked.