PPRuNe Forums - View Single Post - Merged: Erebus site launched
View Single Post
Old 10th Jul 2009, 15:31
  #137 (permalink)  
Desert Dingo
 
Join Date: May 2000
Location: Here. Over here.
Posts: 189
Likes: 0
Received 0 Likes on 0 Posts
ampan
Dingo: I'm not aware of any evidence about a left turn at the Byrd Reporting Point (or somewhere thereabouts).
Well you would be if you looked at the evidence about what was shown at the briefings.

PS: Here's the current version of the chart.

http://ortho.linz.govt.nz/antarctic/RossSeaRegions.jpg


If you look at both the main chart and the inset, it is clear that a track from Cape Hallett to McMurdo Station crosses Ross Island. But what if you only have the inset?
And why would you have only that chart or the inset?
Yep. That is a lovely chart, and you keep referring to it, and it does not have a track on it, which makes it hard to relate to the flight planned track.

However, the evidence shows that the other charts presented at the briefing were:

Strip Chart (annex 1) Topographic chart showing military tracks, including the two down McMurdo Sound to Byrd waypoint and left turn to McMurdo Station.


and
(DOD Strip chart Exhibit 165) Shows military route down McMurdo Sound to Byrd waypoint then left turn to McMurdo Station. Similar to Strip Chart (annex 1) but without topographic detail.


and RNC4 Radionavigation chart showing (among others) direct track from New Zealand down McMurdo Sound to Byrd waypoint where the track ends. McMurdo Station is off to the left of ith inbound track



and Exhibit 164. An ANZ Nav department chart with no topographic detail but showing the two military tracks down McMurdo Sound to Byrd waypoint ending at a common waypoint with the track from New Zealand via Cape Hallet.


Even the map for the passengers showed a track down McMurdo Sound and a left turn.


For you to be convinced that the briefed track was direct to McMurdo Station is contrary to the evidence. For you to believe that any crew member, after being shown these charts, would leave the briefing thinking the track was direct to McMurdo Station defies logic.

Please don’t try to refer us to the Annex J chart which does show a track direct to McMurdo Station and over Erebus. That is the obsolete chart the airline fed to Mr. Chippindale in their initially successful attempt to make it all look like pilot error.
I'll try to make the point once more.
THE BRIEFED TRACK WAS NOT DIRECT TO McMURDO STATION.
Desert Dingo is offline