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    Re: 4 basic rules for accurate Low Level Airborne Visual Navigation
    From: Gary LaPook
    Date: 2010 Apr 23, 15:01 -0700

    Habitez-vous proche de Paris? Je serai à Paris cet août, peut-être nous 
    pourrions partager une bouteille de vin.
    
    gl
    
    Antoine Couette wrote:
    >
    > Just for the information of the few Aircraft Pilots among us - I know 
    > there are some - ...
    >
    > *******
    >
    > My last post in reply to Byron Franklin QMCS USN Ret. :
    >
    > [NavList 12889] Re: 3 Navaid Visual Fix WAS : Compass Error Correction
    > From: antoine.m.couette---fr
    > Date: 23 Apr 2010 00:23
    >
    > ... just gives me here the opportunity of indicating 4 basic rules we 
    > are taught in the French Naval Aviation when getting trained for "Low 
    > Level Aiborne Visual Navigation".
    >
    > I am sure these very same rules are taught all over in the World, 
    > including in "Airclubs / Aeroclubs" lightweight aviation communities.
    >
    >
    > 1 - Set/orient the Chart in the direction of your track (NOT North up, 
    > except when you fly a north track), and
    >
    > 2 - Proceed from the Chart to the ground (and not the other way) to 
    > identify ground features, and
    >
    > 3 - Proceed from "big to small" (and not the other way) to pinpoint 
    > locations on the ground, and
    >
    > 4 - Always fly "ahead up to abeam", i.e. identify and position 
    > yourself with ground features ahead of you and not behind you. 
    > Interestingly enough, this is the exact same rule taught for Visual 
    > Navigation at sea.
    >
    > ... this works extremely well. I know of no other better method. And 
    > with regular training, you can follow an intended ground track with 
    > less than 20/30 ft lateral error when flying 150'/200' Above Ground 
    > Level at 420/480 kts Ground Speed without the help of any Navigation 
    > System (whether inertial or GPS or other). This is a HARD REQUIREMENT 
    > requirement for taking airborne pictures of unfriendly installations.
    >
    >
    > Best Regards to you all
    >
    >
    > Antoine M. "Kermit" Couëtte
    >
    > PS : The French Naval Aviation was officially established in 1910, and 
    > by the end of WW I in 1918 its force reached 11,000 Sailors who manned 
    > 36 Naval Air Stations / Naval Air Facilities along our coasts in 
    > France and in our "Colonies". They were in charge of close to 950 
    > Aircraft then.
    >
    > Since a good number of our NavList Members lives within the USA, may I 
    > just wish to recall that the French Navy and the US Navy (with a MUCH 
    > MUCH BIGGER size, you lucky men ...) are the only two Navies in the 
    > World to routinely conduct Day and Night "Blue Water" Operations with 
    > conventional supersonic jet Fighter/Attack Aircraft off Aircraft Carriers.
    >
    > In June 2010, the French Naval Aviation will celebrate its First 
    > Century of existence.
    >
    > I have to admit (and confess..) that I am proud ... especially since I 
    > had the extreme luck of flying Carrier Naval Aviation Operations in 
    > both Navies. :-))
    >
    >
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    >
    
    
    
    
    

       
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