Narrative:

Las clearance delivery gave instructions to expect vectors to the aaces departure. Tower cleared us for takeoff without any further instructions. We flew runway heading awaiting vectors from departure control. At approximately 5 NM, departure control asked us if we were assigned runway heading. We told them that we were expecting vectors to the departure. Although departure control didn't say anything else, it sounded like they expected us to fly the RNAV departure. It seems with our recent company letter on las RNAV departures, the clearance we were given, and the expectations of departure control, there is still confusion on proper las departure procedures.

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Original NASA ASRS Text

Title: B737 FLC ASSUMES LAS TWR CLRNC TO 'EXPECT VECTORS' ON DEP FROM AACES RNAV SID SUPERSEDE SID NAV REQUIREMENTS PRIOR TO AACES INTXN INSTEAD OF 'EXPECT VECTORS' AFTER AACES INTXN AS PUBLISHED.

Narrative: LAS CLRNC DELIVERY GAVE INSTRUCTIONS TO EXPECT VECTORS TO THE AACES DEP. TWR CLRED US FOR TKOF WITHOUT ANY FURTHER INSTRUCTIONS. WE FLEW RWY HDG AWAITING VECTORS FROM DEP CTL. AT APPROX 5 NM, DEP CTL ASKED US IF WE WERE ASSIGNED RWY HDG. WE TOLD THEM THAT WE WERE EXPECTING VECTORS TO THE DEP. ALTHOUGH DEP CTL DIDN'T SAY ANYTHING ELSE, IT SOUNDED LIKE THEY EXPECTED US TO FLY THE RNAV DEP. IT SEEMS WITH OUR RECENT COMPANY LETTER ON LAS RNAV DEPS, THE CLRNC WE WERE GIVEN, AND THE EXPECTATIONS OF DEP CTL, THERE IS STILL CONFUSION ON PROPER LAS DEP PROCS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.