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Side by side IFR departures from runways 25L and right at las simultaneously fly runway heading vice diverging courses; TCAS RA resulted.
| Attributes | |
| ACN | 841821 |
| Time | |
| Date | 200907 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | LAS.Airport |
| State Reference | NV |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 150 Flight Crew Total 13000 Flight Crew Type 2500 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Experience | Flight Crew Last 90 Days 220 Flight Crew Total 7500 Flight Crew Type 520 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Clearance |
Narrative:
Cleared for takeoff runway 25R and told that another jet departing simultaneously on 25L would be turning south. During climbout the other jet was abeam our aircraft separated only by runway centerline distance of 25L and 25R. The aircraft remained this distance for about a minute until turning south well upwind. The jet appeared to be on a 25L departure that did not turn south for a considerable distance upwind after takeoff. Received descend TCAS RA during this departure procedure. It appeared that when tower realized that the other jet was not turning immediately -- which was the impression they gave us -- they issued them instructions to maintain visual separation. This was a very uncomfortable situation which could have easily been worse had there been a crosswind present at the time of departure
Original NASA ASRS Text
Title: Side by side IFR departures from Runways 25L and R at LAS simultaneously fly runway heading vice diverging courses; TCAS RA resulted.
Narrative: Cleared for takeoff Runway 25R and told that another jet departing simultaneously on 25L would be turning south. During climbout the other jet was abeam our aircraft separated only by runway centerline distance of 25L and 25R. The aircraft remained this distance for about a minute until turning south well upwind. The jet appeared to be on a 25L departure that did not turn south for a considerable distance upwind after takeoff. Received descend TCAS RA during this departure procedure. It appeared that when Tower realized that the other jet was not turning immediately -- which was the impression they gave us -- they issued them instructions to maintain visual separation. This was a very uncomfortable situation which could have easily been worse had there been a crosswind present at the time of departure
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.