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BMA EFIS Lite for Yak-55 - oppinions needed

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Pilot2874

Joined: 27 May 2007
Posts: 4

Posted: Sun May 27, 2007 7:38 am Post subject: BMA EFIS Lite for Yak-55 - oppinions needed

Hi there,



I'm a newly minted owner of a Yak-55M and I'm looking to add some navigation capabilities to the aircraft.  Originally I though just to buy a nice GPS (Garmin 396) and wire it up to electrical system. But recently I ran the searches for EFIS systems and came accross this one from Blue Montain Avionics:



http://www.bluemountainavionics.com/elitemain.php



I'm wondering if anyone has any experiences intalling/using this or similar EFIS in Yak-55 aircraft?



Also, how would it compare to the Garmin 396 in terms of ease of use and features.



thanks,

Kirill

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tamara_b(at)telus.net
Guest

Posted: Mon May 28, 2007 1:13 am Post subject: BMA EFIS Lite for Yak-55 - oppinions needed

some of my gyro instruments are

 due to be replaced, so I looked into

 BMA and DYNON.

  

 The other week on an airshow I had

 the chance to see both system at work.

  

 Don't like either of them. I cannot  scan

 them as quickly as the steam-gauges,

 I might need bifocal glasses soon

 to encrypt those colorful  displays.

  

 If I want to play with a computer, I  have

 a nice bottle of wine and do it at  home.

  

 I prefer the three dimensional  appearance

 of the original instruments, much  easier

 to scan and much bigger numbers.

  

  

  

 Regards

  

 Elmar (C-FTKL)

   [quote][b]

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HawkerPilot2015

Joined: 10 Jan 2006
Posts: 503

Posted: Mon May 28, 2007 5:33 am Post subject: Re: BMA EFIS Lite for Yak-55 - oppinions needed

[quotesome of my gyro instruments are 

due to be replaced, so I looked into 

BMA and DYNON. 



The other week on an airshow I had 

the chance to see both system at work. 



Don't like either of them. I cannot scan 

them as quickly as the steam-gauges, 

I might need bifocal glasses soon 

to encrypt those colorful displays. 



If I want to play with a computer, I have 

a nice bottle of wine and do it at home. 



I prefer the three dimensional appearance 

of the original instruments, much easier 

to scan and much bigger numbers.[/quote]



Having flown a large turbo-prop that was mostly steam guages and then moving to a jet with all glass, I would take glass any day. It takes a little getting used to but them amount of info that can be put in one place reduces pilot workload. Our particular airplane's PFD (Primary Flight Display) can depict nearly 80 pieces of info. We do not fly like that but it is an option. Too much can be too much! 



The main reason I would not go glass in these airplanes is because I do not see the need for it. Are you flying hard IFR...or IFR at all? That is the only reason I see for replacing the current instruments. YOu are dealing with a simple airplane with minimal instruments (minimal systems) and I do not see the need to have glass represent simplicity. The cheapest system is around $2500.00! I can think of more things I would spend the $$ on. 



In a turbine or more capable airplane, I would go glass. Buzzing aorund the patch..wasted money in my opinion.

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cjpilot710(at)aol.com
Guest

Posted: Mon May 28, 2007 6:06 am Post subject: BMA EFIS Lite for Yak-55 - oppinions needed

I've had a BMA Sport Lite in my CJ for about 3 years.  For the most  part I am happy with it.

  

 I was use to using "glass" at the airline.  The bigger the screen the  better, the one reason I did't go to the Dyon.  Dyon now has a bigger  screen and its price is very nice.

  

 My BMA has a moving map feature but you can not use a the horizon at the  same time.  The really nasty problem with it is you must disassemble the  unit to update the data card.  I understand that they have since change  this so that the date card is external and has snap in-snap out feature.   Also BMA now have an even larger screen unit where you can split the  display with a horizon on top and moving map on bottom. I would prefer to  have this unit BUT it will just barely fit in the CJs panel area, so the 55's  panel may not be possible at all.

  

 My personal set up is a BMA Sport in the middle.  2 1/4 manifold gage  to the left.  ILS/VOR head to the right.  Under the Sport is T&B  with back airspeed on the right and altimeter left.  The T&B will soon  be replaced with a combination T&B/autopilot with just a simple heading hold  function.  Above the BMA mounted on the glare shield, is a AVMAP big screen  GPS moving map.

  

 Years ago I remember when the big deal in instrument flying was when some  study group found that if instruments were arranged in what they called the  "Basic T" how much simpler staying up right would be.  "Scan rate" and  instrument relationship.  Then came the "tap gages".  I remember a  real like or dislike among the airline guys when the L1011 came on line with  them.  And when glass came out, there were a large number of pilots who  remained on the "Jurassic Jets" because they did not trust that "fancy  stuff".  

  

  

 I guess "my time is near".  I've come full circle.  Started out  flying airplanes with "steam gages" in no set pattern, all over the place.   Flew the latest glass.  And now I back flying a WW2 B-24J that has its  original panel set up with steam gages unaligned and all over the  place.  Yes we fly it IFR and IT IS A CHORE.

  

 Jim "Pappy" Goolsby



See what's free at AOL.com. 

  [quote][b]

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