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ICAO-Nations discuss jet-age air traffic services problems in

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					   FOR      RELEASE A.M.                7 OCTOBER              1157

   ICAO-NATIONS DISCUSS JE41'-AGE AIR 'TRAFFIC SERVICES PXOBLEMS
                  IN EUROPE AND T H E NEAR EAST

                     MONTREAL, 7 October i 9 5 7 - - Tdddy aviation e x p e r t s f r o m a s c o r e of
   i n t e r e s t e d c o u n t r i e s m e e t in L i s b o n , P o r t u g a l , to d i s c u s 3 urgent a i r t r a f f i c
   s e r v i c e s p r o b l e m s i n E u r o p e and the Near E a s t which the International Civil
  Aviation Organization m u s t solve before a i r l i n e s c a n use t h e i r f a s t , highflying
  j e t s o r d e r e d for 1959 and the following y e d r s . It i s hoped t h a t t h i s twa-week
  m e e t i n g - the fifth s p e c i a l m e e t i n g of the R u l e s of the A i r and A i r T r a f f i c S e r v i c e s
  C o ~ m i t t e e the ICAO E u r o p e a n - M e d i t e r r a n e a n A i r Navigation Region - will
                        of
  r e s u l t in complete e x p l o r a t i o n of v a r i o u s p o s s i b l e plans for a i r t r a f f i c s e r v i c e s
  i n t h i s p a r t of the w o r l d . 'The d i s c u s s i o n s will be e x t r e m e l y valuable to the F o u r t h
  Regional A i r Navigation Meeting f o r the E u r o p e a n - M e d i t e r r a n e a n Region to be held
  i n J a n u a r y - F e b r u a r y next y e a r , b e c a u s e they will provide the g o v e r n m e n t s with a
  p i c t u r e of the d i f f e r e n t baaic p r i n c i p l e s and s c h e m e s being c o n s i d e r e d by the v a r i o u s
  a v i a t i o n m i n i s t r i e s . Once an a r e a of p r o b a b l e a g r e e m e n t iu e s t a b l i s h e d i n t h e a i r
  t r a f f i c s e r v i c e s field i t b e c o m e s m u c h e a s i e r f o r ICAO m e m b e r g o v e r n m e n t s to
  p l a n t h e i r c o u r s e of actiorl and brief t h e i r r e p r e s e n t a t i v e s f o r the m e e t i n g in
  J a n u a r y a t which definite a g r e e m e n t should be r e a c h e d on a l l a s p e c t s of a i r navi-
  gation in E u r o p e . Indeed, t o plan the p r o v i s i o n of n e c e s s i t i e s s u c h a s a e r o d r o m e s ,
  c o m m u n i c a t i o n s t a t i o n s , r a d i o navigation a i d s , m e ; e o r o l o g i c a l s e r v i c e s , e t c . ,
  b e f o r e r e a c h i n g a g r e e m e n t on the broad b a s i c plan f o r the o r g a n i z a t i o n of t h e flow
  o f t r a f f i c would not be p r a c t i c a l .

                   Since 1946, when the f i r s t plans f o r the E u r o p e a n - M e d i t e r r a n e a n Region
  w e r e e s t a b l i s h e d , s e v e r a l r e v i s i o n s have been n e c e s s a r y b e c a u s e of the unparallelled
  growth of civil aviation. The m o s t r k d i c a l change c a m e in 1 9 5 2 when a network of
  a i r w a y s was a g r e e d upon which i s s u i t a b l e , a l t h ~ u g h      not i d e a l , f o r t h e piston-engined
  a i r c r a f t of today which s e l d o m fly higher than 2 0 , 0 0 0 f e e t . It will not be c a p a b l e ,
  h o w e v e r , of accommodating j e t s , which o p e r a t e m o s t efficiently a t n e a r l y double
  t h i s height w h e r e s o f a r only m i l i t a r y and e x p e r i m e n t a l p l a n e s have r o a m e d .

                      Unfortunately, i t i s not p o s s i b l e t o s o l v e the p r o b l e m by m e r e l y extending
  the existing a i r w a y s upwards because the p r e s e n t s y s t e m i s t a i l o r e d t o p r e s e n t - d a y
  planes with p r e s e n t - d a y s p e e d s and r a n g e ; the j e t s with roughly double t h e s p e e d
  and height of m a n y piston-engined a i r c r a f t m u s t be o p e r a t e d with much g r e a t e r
  f l e x i b i l i t y than i s p o s s i b l e if they have to follow t h e " n a r r o w s t r e e t s u of today's
  network of a i r w a y s . It m u s t be decided, t h e r e f o r e , whether the jets m a y be allowed
  t o choose t h e i r own r o u t e s a t high a l t i t u d e s a c c o r d i n g t, c i r c u m s t a n c e s - a s s h i p s
                                                                                     :
  d o - o r whether a "second s t o r y t t network of a i r w a y s i s n e c e s s a r y .

                  In planning f o r high l e v e l c o n t r o l of j e t s , t h e m e e t i n g in L i s b o n will
 c o n s i d e r c a r e f u l l y the p o s s i b i l i t y of e v e n c l o s e r coordination than before of a i r
 t r a f f i c c o n t r o l s y s t e m s in the E u r o p e a n - M e d i t e r r a n e a n Region - a r e g i o n w h e r e
 t h e b o u n d a r i e s of national a i r t r a f f i c s e r v i c e a r e a s crowd e a c h o t h e r s o m u c h t h a t
 a 600 m p h j e t m i g h t have t o r e c e i v e i n s t r u c t i o n s f r o m t h r e e d i f f e r e n t national
 c o n t r o l c e n t r e s in the c o u r s e of a few m i n u t e s if s o m e a r e a s w e r e not i n t e g r a t e d .


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INTERNATIONAL CIVIL                                                                                       L.   C.   BOUSSARD
AVIATION ORGANIZATION                                                                                PUDLIC INFORMATION OFrlceR

				
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posted:3/22/2011
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