B757-200 first officer reported an near midair collision with a helicopter on approach to alb.

Attributes
ACN	1297023
Time
Date	201508
Local Time Of Day	0601-1200
Place
Locale Reference	ALB.TRACON
State Reference	NY
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Helicopter
Flight Phase	Cruise
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Conflict NMAC

Narrative:

Albany approach control advised us of a helicopter flying near our approach corridor and that the helicopter had us in sight and would remain clear. Switched to albany tower; who received verbal confirmation from helicopter that it had us visual. After starting down glide path at 2000 feet MSL with flaps 20/gear down; received an RA 'monitor vertical speed' to stop descent. Complied with RA; leveled off; visually acquired helicopter at 10:00. Helicopter passed beneath us within 300 feet. Received second RA to 'monitor vertical speed'; then helicopter was clear. At this point; aircraft was well above glide path. Resumed descent on approach; re-intercepted glidepath and stable conditions by 500 feet AGL.helicopter did not maintain visual separation from approach corridor as directed by ATC.

Original NASA ASRS Text

Title: B757-200 First Officer reported an NMAC with a helicopter on approach to ALB.

Narrative: Albany approach control advised us of a helicopter flying near our approach corridor and that the helicopter had us in sight and would remain clear. Switched to Albany tower; who received verbal confirmation from helicopter that it had us visual. After starting down glide path at 2000 feet MSL with flaps 20/gear down; received an RA 'monitor vertical speed' to stop descent. Complied with RA; leveled off; visually acquired helicopter at 10:00. Helicopter passed beneath us within 300 feet. Received second RA to 'monitor vertical speed'; then helicopter was clear. At this point; aircraft was well above glide path. Resumed descent on approach; re-intercepted glidepath and stable conditions by 500 feet AGL.Helicopter did not maintain visual separation from approach corridor as directed by ATC.

Data retrieved from NASA's ASRS site 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.