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tib

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Everything posted by tib

  1. Make sure the "Clear" mode on the HGS control panel isn't selected
  2. The RWY edges only appear when AIII mode engaged (ie not flashing) and at about 200' RATB
  3. Sorry, I should add that the first of the 2 videos is not actually in AIII mode. Its in IMC and the flashing AIII shows that that mode could have been selected if wanted. You'll notice there is no roundout guidence,just a flashing " + + " symbol that is there to remind us to round out manually.In this video the HUD is in AIII mode (AIII now steady) and you will see the flashing roundout guidance cue " + " rise and it is only necessary to follow it with the boresight to round out the aircraft and then when on the ground use the rudder to track straight down the runway ( the guidance cue will follow the LLZ signal). This could all be done in full fog (zero vis), If the integrity of the system is compromised eg equip failure or out of tolerance on approach the AIII will change to APPROACH WARN and you would have to give up the app and G/A.So I guess the moral of the story is to check what mode, PRI, IMC, VMC or AIII, you are in.Hope this helps make things clearer.
  4. Re: the flap speeds, F1 and F5 have limit speeds of 250kts so no problems extending them. The flap symbols on the speed tape are the min manoeuvre speeds for that flap setting (varies with weight).AIII mode uses internal logic from BOTH aircraft ILS sensors, HGS and other a/c systems eg Radio Alt to provide guidence all the way to touchdown and ground roll out. This is slightly different to PRI and IMC modes where it is simply repeating the F/D commands from the single F/D system that is selected.The AIII is flashing indicating that it is available (ie both ILS's selected, aircraft within heading close to ILS course and both LLZ and G/S within required tolerance etc). It can then be selected if desired or left in PRI or IMC mode.
  5. tib

    RNP and ANP?

    Here is a video of a visual app to Townsville (YBTL) rwy 19, but following an RNP approach procedure, viewed through the HUDTB sorry, here is the link TB
  6. Here is a video of a HUD view of a visual app, initially in PRI mode and then in VMC mode. The aircraft path is following an RNP approach Townsville (YBTL) RWY 19. TB
  7. I've put up a video of the HUD Modes in cruise: PRI, IMC and VMC for anyone interested. and one of a visual app with the HUD in AIII mode As always I apologise for the qualityTB
  8. Normally PRI mode for T/O and initial approach, Then IMC mode for an instrument app, which gives an uncluttered view. AIII mode perhaps for an ILS just for the hell of it - AIII doesnt give us any lower minimas here in Australia - maybe one day.A visual app maybe in VMC mode or PRI mode. The rest of the time it just sits in PRI. If there is a lot of turbulence or strong xwinds on landing I dont take much notice of it as it jumps around quite a bit and I prefer just to look at the "big" picture on conventional instruments or outside. But thats just a personal preference.Soon you will be able to experiment yourself when the sim is up and running. I just post the videos as everyone seems interested in the HUD.TB
  9. I've put another video up of a (real) -800 in the cruise. Again not very exciting but it does show a non-conformal view through the HUD - the boresight is dotted indicating that the path indicated on the HUDis not actually showing the true path of the plane in the outside world. This is due to the strong xwind from the left. The true path would be somewhere further out to the right beyond the limit of the HUD screen.And yes the TCAS isnt working on this A/C. TB
  10. Not super exciting but I've posted a video of the HUD view transitioning from climb to cruise for anyone interested. TB
  11. "2 tail now" ... a bit of tailwin starting at 50'
  12. Yes initially in PRIMARY mode, we use it till the flaps are set for landing so the flap limit speeds are displayed. Once landing flap is set IMC mode was set to get rid of the "clutter" .AIII mode was also avail. which also provides roundout guidence and landing run rollout guidence.Well thought out system and hopefully the sim will be close to the real thing. The modes are selectable on the HGS panel on the consol.CheeersTim B
  13. If anyone is interested here is a HUD eyed view of an ILS landing at night at Brisbane (YBBN) RWY 01 TB
  14. Yes your right, retrofitted. I think cost might stop it being "standard" for a while but i'm sure that will change.As far as I know the -900 requires a HUD for the tailstrike protection that it gives the longer airframe, and the 787 it will be standard.I'll try to upload a HUD's eye view of an ILS which hopefully we will all be able to do in the new sim soon.TB
  15. No not really just a normal jetstream. 150 - 180 kts or more not unheard of.Good for tailwind but not so good going into it.
  16. And another video in cruise at night TB
  17. If anyone is interested I've loaded a video of a (real) -800 in cruise. Sorry about the quality! Especially of the HUD display. TB
  18. I notice you guys have loaded the FMC with the latest data cycle update, and the latest software version as well.well done!TB
  19. You guys are right. The nose wheels are retracted by hydraulics and in the retracted position rub against "snubbers" to stop the rotation. The main gear wheels use the braking system (automatically) to stop rotation during gear retraction.
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