Interesting that transponders has come up again. 15 years ago NSW Gliding Association had a very long discussion with Racal who at that time were developing a portable transponder . the complete system was about the size of the old brick mobile phone. Much resistance from the GFA at that time. Intent was to have it in the back not accessable and pre programmed with a specific glider code.
Would be interesting to ask if the Kingair pilot had seen the glider prior to the TCAS alert. If the glider had not been transponder equipped we probably would not be reading about it today as the kingair would have sailed on regardless. As for high speed collisions google the glider and beechjet midair near nevada. Think it was LS4 Peter Heath ---- Mike Borgelt <[email protected]> wrote: ============= At 08:02 PM 21/05/2013, you wrote: >Interesting. Just what was on the glider to "Shortly after >broadcasting his position, the (air ambulance) pilot reported that >the aircraft's traffic alert and collision avoidance system >indicated 'traffic 800 ft below'. > >Sounds like ADSB? Not necessarily. If the Air ambulance had TCAS as stated, the TCAS will trigger any nearby Mode C transponder even when not in radar coverage and generate a warning. So the glider only needed Mode C to be seen by the TCAS. Actually sounds like the system worked as intended including the radio calls and responses. The other B200/glider incident was more serious in that there were no warnings and no evasive actions taken by either party. Maybe Mode C transponders are a good idea. I hate to think of what will happen when some passengers in a regional airliner see a glider pass quickly down one side of the aircraft 200 feet away, or the regional airliner gets overstressed in taking violent evasive action or worse, actually collides with the glider. The gliding movement doesn't have a leg to stand on here, what with the enthusiastic adoption of Flarm. Ibis and pelicans etc through the windscreen of a regional airliner/flying doc/FIFO aren't our problem. The number of KingAirs flying around doing these things is growing. Wombat, TCAS does have a collision algorithm and even generates escape commands. If you get a transponder make sure it does Mode S and is ADSB ready. No, I don't sell them and have no intention of so doing. Mike . >All IFR pilots need to understand that, while there is perhaps one >air ambulance airborne in G airspace in high summer, there are >perhaps 50 gliders around there somewhere. Not to mention Ibis, >Pelican's, Eagles that glider pilots look for. Look out!! All of you!!! > >Sent from my iPad 2 > >Alan Wilson >Canberra > >I could have been, but i was not flying out of Temora on that day, >nor did I ever have ABSB. > > >On 21/05/2013, at 15:15, Nelson Handcock ><<mailto:[email protected]>[email protected]> wrote: > >><http://www.dailyadvertiser.com.au/story/1515109/air-ambulance-in-near-miss/?cs=148>http://www.dailyadvertiser.com.au/story/1515109/air-ambulance-in-near-miss/?cs=148 >> >> >>_______________________________________________ >>Aus-soaring mailing list >><mailto:[email protected]>[email protected] >>To check or change subscription details, visit: >><http://lists.internode.on.net/mailman/listinfo/aus-soaring>http://lists.internode.on.net/mailman/listinfo/aus-soaring >_______________________________________________ >Aus-soaring mailing list >[email protected] >To check or change subscription details, visit: >http://lists.internode.on.net/mailman/listinfo/aus-soaring Borgelt Instruments - design & manufacture of quality soaring instrumentation since 1978 www.borgeltinstruments.com tel: 07 4635 5784 overseas: int+61-7-4635 5784 mob: 042835 5784 : int+61-42835 5784 P O Box 4607, Toowoomba East, QLD 4350, Australia _______________________________________________ Aus-soaring mailing list [email protected] To check or change subscription details, visit: http://lists.internode.on.net/mailman/listinfo/aus-soaring
