B737 Undifferentiated or Other Model
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 250; Flight Crew Type 1126
Situational Awareness; Distraction
Conflict NMAC
Human Factors; Procedure
I was pilot flying Aircraft X. All ground operations and preflight preparations were completed per SOP. We were given permission to lineup and wait on runway 1R at LAS. We could hear tower talking with helicopter traffic which is standard for LAS operations. Nothing in the communications caught my attention or in any made me or the CA (Captain) concerned. Takeoff roll and liftoff were uneventful. At approximately 500 AGL I began a left turn on the SHEAD 1 RNAV SID. We then received three separate 'Traffic' calls from TCAS. I [looked] down to my ND and saw three separate blips showing '-03' off the close left. I was in a 10nm scale on my display. I looked across the cockpit and picked up two helicopters low and approximately 400-500 feet lateral separation through the Captain's side window. I communicated that I 'had the traffic' to the Captain. We were still climbing on the SID and the traffic was not a factor as we were climbing and they appeared to be flying level parallel the Vegas strip.Once things had settled a little and we were headed south on the SID; the Captain communicated to departure that the helicopters were too close for comfort (I'm paraphrasing). The flight behind us joined in that assessment and departure said they would relay our concerns to tower.
B737 First Officer reported multiple TCAS alerts on departure from LAS.