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A colored airway


olderndirt

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Amber and Blue - North and South.  Green and Red - East and West.  Navaids were a Low Frequency Range - the British 'Adcock' design was used by the CAA/FAA and the NDB.  This DC3 is filed SEA A1 ETHEL A1 PDX/6000/1+15 enroute.  A1 (Amber 1) was the longest US airway - from PAOT to somewhere in Mexico.

 

Way back then KSEA had intersecting runways and no Alaska hangar - Mt Rainier was pretty much the same.

sepo1.png

There'd have been no Space Needle and a lot fewer buildings.

sepo2.png

Below #1 is American Lake - my go to spot for float ops.  Interstate 5 runs a bit straighter than the old US99.

sepo3.png

St Helens would still have her hat.

sepo4.png

A lot less at KPDX and fewer lights overall.

sepo5.png

 

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14 hours ago, flyingleaf said:

Great shots OND. Love the info. on the Navaids. 

When I joined the FAA, working McGrath Flight Service Station, one of our responsibilities was the ability to orient a lost pilot using his audio of our LFR - assuming he had at least an LF receiver.  Usually very effective if the aircraft had enough gas :).

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