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+# Helsinki airport
+
+helsinki airport has 3 runways most time of the time they use 1-2 runways 
+most common configurations
+
+ - 22r departures 15 arrival
+ - 22r departures 22l arrival
+ - 22r departures parallel arrivals
+ - 15 departures and arrivals
+ - 04r departures and 04l for arrivals
+ - 04r departures and parallel arrivals
+ (33 is rarely used for departures or arrival but its used when wind is about 310 to 360 degrees at 15 knots or higher)
+
+# best flows below
+
+# runway 15
+lakut arrivals leave on a heading 075 from lakut
+lusep arrivals leave on a heading 165 from lusep
+intor arrivals leave on a heading 360 from intor
+arvep arrivals leave on a heading 300 from arvep
+divam arrivals leave on a heading 055 from divam
+ropam arrivals leave on a heading 335 from ropam
+# runway 22l
+lakut arrivals leave on a heading 075 from lakut
+lusep arrivals leave on a heading 165 from lusep
+intor arrivals leave on a heading 360 from intor
+arvep arrivals leave on a heading 300 from arvep
+divam arrivals leave on a heading 055 from divam
+ropam arrivals leave on a heading 335 from ropam
+# runway 04l
+lakut arrivals leave on a heading 130 from lakut
+lusep arrivals leave on a heading 195 from lusep
+intor arrivals leave on a heading 295 from intor
+arvep arrivals leave on a heading 300 from arvep
+divam arrivals leave on a heading 065 from divam
+ropam arrivals leave on a heading 255 from ropam
+# parallels
+vector some to 22l and some to 22r or 04l and 04r good luck 
+
+
+# airlines
+
+ - finnair
+ - norwegian
+ - sas
+ - aeroflot
+ - japan airlines
+ - flydubai
+ - british airways
+ - tap air portugal
+ - lufthansa
+ - china southern
+ - klm
+ - transavia