Narrative:

While on the grandpa 1 arrival into las; somewhere between frawg and trrop waypoints; las vegas approach control asked us if we could do the RNAV visual approach to runway 19L. (Runway 19R was closed). Although neither one of us have heard that terminology before; we both assumed it meant can you do a visual approach to runway 19; backed up by the RNAV? Weather was VMC and we had a good visual on the runway so with the PIC's agreement; I replied that we could do so. Las approach then cleared us for the RNAV visual to runway 19L. I found and loaded the RNAV runway 19L approach in the FMS. We were approximately on an eight mile left base at that time heading somewhat towards the stratosphere. I asked pilot flying if he would like me to give him a direct to the ranve FAF which was about a 6 mile final to runway 19L. He said okay. A few minutes later; las approach asked if we were doing the RNAV visual to 19L. I replied that we were doing the visual to runway 19L and heading to the FAF for the RNAV approach. He came back stating that we were cleared for the RNAV visual not the RNAV approach but to contact tower now. Las tower cleared us to land 19L and nothing more was mentioned. Since this event I have learned the following: there are no published RNAV visual approach procedures in any of our normal aero chart packages for las. However; there were some such approaches developed and published in a packet for the company poker event held last june. If the approaches used for this event are still applicable; then our crews need to be aware of this. If the approaches are no longer valid; then las approach control needs to be made aware.

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Original NASA ASRS Text

Title: When asked if they were able the 'RNAV Visual Approach Runway 19L' at LAS the flight crew assumed the Controller meant could they fly the visual to 19L backed up by the RNAV. They accepted the clearance and started to fly a visual simply monitoring their track on their RNAV equipment which was not what the Controller had in mind.

Narrative: While on the Grandpa 1 arrival into LAS; somewhere between FRAWG and TRROP waypoints; Las Vegas Approach Control asked us if we could do the RNAV VISUAL approach to Runway 19L. (Runway 19R was closed). Although neither one of us have heard that terminology before; we both assumed it meant can you do a visual approach to Runway 19; backed up by the RNAV? Weather was VMC and we had a good visual on the runway so with the PIC's agreement; I replied that we could do so. LAS Approach then cleared us for the RNAV Visual to Runway 19L. I found and loaded the RNAV Runway 19L approach in the FMS. We were approximately on an eight mile left base at that time heading somewhat towards the Stratosphere. I asked pilot flying if he would like me to give him a direct to the RANVE FAF which was about a 6 mile final to Runway 19L. He said okay. A few minutes later; LAS Approach asked if we were doing the RNAV Visual to 19L. I replied that we were doing the visual to Runway 19L and heading to the FAF for the RNAV approach. He came back stating that we were cleared for the RNAV Visual NOT the RNAV Approach but to contact Tower now. LAS Tower cleared us to land 19L and nothing more was mentioned. Since this event I have learned the following: There are no published RNAV VISUAL APPROACH procedures in any of our normal aero chart packages for LAS. HOWEVER; there were some such approaches developed and published in a packet for the Company Poker Event held last June. If the approaches used for this event are still applicable; then our crews need to be aware of this. If the approaches are no longer valid; then LAS Approach Control needs to be made aware.

Data retrieved from NASA's ASRS site as of April 2012 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.