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B757 PVD  
User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Posted (6 years 7 months 4 weeks 23 hours ago) and read 1688 times:

What exactly would be a PVD [Paravisual Display] on a B752.Or is it known by another common term?
As our freighters don't have it.
regds
MEL.


Think of the brighter side!
8 replies: All unread, jump to last
 
User currently offlineTristarSteve From Sweden, joined Nov 2005, 4009 posts, RR: 33
Reply 1, posted (6 years 7 months 4 weeks 22 hours ago) and read 1679 times:

It is a small strip fitted in the coaming in front of each pilot. It has rotating bars that provide directional guidance from the ILS for take off and landing.
It was introduced on the Trident by BEA in 1964 and has been fitted to many BEA and BA aircraft since. It was on the BA Tristar and B767 and B757 and was a requirement for Cat3B operation.


User currently offlinePhilSquares From , joined Dec 1969, posts, RR:
Reply 2, posted (6 years 7 months 4 weeks 22 hours ago) and read 1672 times:

Quoting TristarSteve (Reply 1):
It was introduced on the Trident by BEA in 1964 and has been fitted to many BEA and BA aircraft since. It was on the BA Tristar and B767 and B757 and was a requirement for Cat3B operation.

It was an option on the 744 and it would cut the takeoff mins by 50% (IIRC). It was driven by the takeoff runway ILS and the trick was to keep the stripes from moving.

The PVD system consists of one PVD computer and two PVD indicators. The
PVD computer receives guidance commands from three FCCs. The FCC source
is selected with the FD/PVD source selector for the respective display.
Using the runway localizer tuned on the Navigation Radio page, the PVD provides
guidance to runway centerline during ground operations.


In practice, it was a terrible system and about 18 months ago SQ deactivated the system on the 744. It had no bearing on CATIIIB/C operations. It was merely for takeoff.

[Edited 2008-01-28 04:23:20]

User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Reply 3, posted (6 years 7 months 4 weeks 1 hour ago) and read 1576 times:

Thanks for the Info.
Any accurate Article/link on this system with Pictures.
Also do Airlines still utilize it.
regds
MEL



Think of the brighter side!
User currently offlineTristarSteve From Sweden, joined Nov 2005, 4009 posts, RR: 33
Reply 4, posted (6 years 7 months 4 weeks ago) and read 1575 times:



Quoting HAWK21M (Reply 3):
Also do Airlines still utilize it.

It is still fitted to our aircraft. I will ask if they use it.


User currently offlineDl_mech From United States of America, joined Feb 2000, 1952 posts, RR: 9
Reply 5, posted (6 years 7 months 3 weeks 6 days 23 hours ago) and read 1568 times:

IIRC, SR had the system on their MD-11's.


This plane is built to withstand anything... except a bad pilot.
User currently onlinePihero From France, joined Jan 2005, 4454 posts, RR: 76
Reply 6, posted (6 years 7 months 3 weeks 6 days 13 hours ago) and read 1528 times:
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Hey, People !
If you forget the queen of Cat III B,aka The Tristar, with her PVD, we won't be friends for very long, I can assure you, and I know of one 411 who would be mighty pizzed with you lot !
So correct this ASAP !
Before he arrives...  Big grin



Contrail designer
User currently offlineTristarSteve From Sweden, joined Nov 2005, 4009 posts, RR: 33
Reply 7, posted (6 years 7 months 3 weeks 6 days 11 hours ago) and read 1498 times:



Quoting Pihero (Reply 6):
If you forget the queen of Cat III B,aka The Tristar, with her PVD,



Quoting TristarSteve (Reply 1):
It was on the BA Tristar

OK


User currently onlinePihero From France, joined Jan 2005, 4454 posts, RR: 76
Reply 8, posted (6 years 7 months 3 weeks 6 days 9 hours ago) and read 1472 times:
Support Airliners.net - become a First Class Member!

Proof that I am a bloody fast reader, that does !

How could I have missed that , TristarSteve ?

Cheers !

(Maybe it was that GF wasn't mentioned and I was primed for it ! )



Contrail designer
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