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Search: Posts Made By: andrewr
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Forum: Australia, New Zealand & the Pacific
7th Feb 2017, 10:43
Replies: 185
Views: 27,519
Posted By andrewr

If you were conducting spin testing, how far away...

If you were conducting spin testing, how far away would you recommend going so you would not be spinning through altitudes likely to be used by RPT?



I know, but my memory is that they were not...
Forum: Australia, New Zealand & the Pacific
7th Feb 2017, 09:48
Replies: 185
Views: 27,519
Posted By andrewr

Does flying downwind & base instead of a straight...

Does flying downwind & base instead of a straight in impose that much additional work that it cancels out the advantages of better traffic awareness?

When were the rules changed to permit straight...
Forum: Australia, New Zealand & the Pacific
7th Feb 2017, 09:41
Replies: 185
Views: 27,519
Posted By andrewr

Looks like he joined the straight in at about 5...

Looks like he joined the straight in at about 5 miles and 3500'. 6-700 feet per mile isn't an outrageous descent angle in a piston single. 3NM is generally considered the circuit area. What he does...
Forum: Australia, New Zealand & the Pacific
7th Feb 2017, 05:59
Replies: 185
Views: 27,519
Posted By andrewr

One thing to remember is that we fly a circuit...

One thing to remember is that we fly a circuit because it has been shown that OCTA a circuit reduces the risk of collision compared to a straight in approach.

The highest risk of collision is on...
Forum: Australia, New Zealand & the Pacific
7th Feb 2017, 00:18
Replies: 185
Views: 27,519
Posted By andrewr

Yes, too costly to be adopted. Wouldn't help...

Yes, too costly to be adopted.

Wouldn't help for VFR traffic, BUT would be a good idea when you have multiple aircraft in IMC.



ATC Lite? Not sure of the cost/benefit, if traffic is not...
Forum: Australia, New Zealand & the Pacific
31st Jan 2017, 10:30
Replies: 185
Views: 27,519
Posted By andrewr

Have you carefully looked at the data in the...

Have you carefully looked at the data in the report? I have, probably a dozen or more times now. Even with the worst interpretation of the TCAS, the GA-8 was passing behind the jet (then somehow...
Forum: Australia, New Zealand & the Pacific
31st Jan 2017, 08:46
Replies: 185
Views: 27,519
Posted By andrewr

At this point the TCAS showed the GA-8 as doing...

At this point the TCAS showed the GA-8 as doing 240 knots, so I think the position data is suspect. The GA-8 pilot estimated the distance as 2 miles. If you use a more reasonable 120 kt for the GA-8...
Forum: Australia, New Zealand & the Pacific
30th Jan 2017, 00:40
Replies: 185
Views: 27,519
Posted By andrewr

Actually that is my point. The report relies...

Actually that is my point. The report relies heavily (exclusively?) on the TCAS data. As far as I can tell it is only the TCAS data that indicates that the "near collision" even happened - there is...
Forum: Australia, New Zealand & the Pacific
25th Jan 2017, 01:22
Replies: 185
Views: 27,519
Posted By andrewr

The TCAS data suggests he was doing 140-150 knots...

The TCAS data suggests he was doing 140-150 knots on descent from 10000', then accelerated to around 200 knots on 4.5 mile final. A search for GA-8 VNE suggests it is 185 kt.

The distances are...
Forum: Australia, New Zealand & the Pacific
21st Jan 2017, 02:14
Replies: 185
Views: 27,519
Posted By andrewr

Did the incident really happen? According to...

Did the incident really happen?

According to the tracks shown in the report, the GA-8 was going faster than the ERJ190. It averaged 200 knots for a period of 43 seconds. At one point it travelled...
Forum: Australia, New Zealand & the Pacific
19th Jan 2017, 07:20
Replies: 185
Views: 27,519
Posted By andrewr

Just based on the information in the report....

Just based on the information in the report. Figure 1 on p 2 and figure 2 on p 4 show the relative locations of the aircraft. Eyeballing each point it looks like XGA was behind.

Table 2 gives the...
Forum: Australia, New Zealand & the Pacific
18th Jan 2017, 05:30
Replies: 185
Views: 27,519
Posted By andrewr

The "near collision" seems to have happened after...

The "near collision" seems to have happened after both aircraft went around.

ZPJ instructed XGA to go around and position to south of the airfield.
ZPJ then missed their turn to final, went...
Showing results 1 to 12 of 12


 
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