B738 encounters helicopter at 600 ft on final to lga with a traffic alert by tower.

Attributes
ACN	499150
Time
Date	200101
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lga.airport
State Reference	NY
Altitude	msl bound lower : 600 msl bound upper : 700
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : lga.tower tower : ggg.tower
Operator	common carrier : air carrier
Make Model Name	B737-800
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer only : 22 other
Flight Phase	descent : approach
Route In Use	approach : instrument non precision
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : lga.tower
Make Model Name	Helicopter
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Route In Use	enroute other
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	controller military : 20 controller non radar : 20 controller radar : 20 controller supervisory : 20 flight time last 90 days : 240 flight time total : 18000 flight time type : 280
ASRS Report	499150
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	conflict : airborne critical non adherence : published procedure non adherence : required legal separation
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	none taken : anomaly accepted
Miss Distance	horizontal : 1500 vertical : 0
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Airspace Structure
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error Intra Facility Coordination Failure

Narrative:

On approach at lga (lga lda 22A), helicopter traffic observed on approach. TCASII TA displayed tower never called traffic. Helicopter transited approach corridor at 700 ft AGL, 2.4 NM from runway 22 centerline. Traffic came within 1/4 NM and 0 ft altitude of airliner. Callback conversation with reporter revealed the following information: reporter advised that the traffic was opposite direction and tracking just outside the lda 22 localizer. A report was effected to company. The reporter's return response from company was that tower stated that the helicopter had the B738 in sight. The reporter stated that this information was not provided to him. The reporter advised that this was not a common occurrence. The reporter's larger concern is when landing runway 31. Tower is issuing taxi instructions when in the middle of landing roll. With all that ongoing in the cockpit, they have to frequently ask again for clarification. The reporter advised the tower is always clearing another aircraft for takeoff before he is either answered, or is cleared to ground without confirmation. Reporter has 20 yrs military pilot experience in combination with aircraft carrier supervisor controller time.

Original NASA ASRS Text

Title: B738 ENCOUNTERS HELI AT 600 FT ON FINAL TO LGA WITH A TFC ALERT BY TWR.

Narrative: ON APCH AT LGA (LGA LDA 22A), HELI TFC OBSERVED ON APCH. TCASII TA DISPLAYED TWR NEVER CALLED TFC. HELI TRANSITED APCH CORRIDOR AT 700 FT AGL, 2.4 NM FROM RWY 22 CTRLINE. TFC CAME WITHIN 1/4 NM AND 0 FT ALT OF AIRLINER. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR ADVISED THAT THE TFC WAS OPPOSITE DIRECTION AND TRACKING JUST OUTSIDE THE LDA 22 LOC. A RPT WAS EFFECTED TO COMPANY. THE RPTR'S RETURN RESPONSE FROM COMPANY WAS THAT TWR STATED THAT THE HELI HAD THE B738 IN SIGHT. THE RPTR STATED THAT THIS INFO WAS NOT PROVIDED TO HIM. THE RPTR ADVISED THAT THIS WAS NOT A COMMON OCCURRENCE. THE RPTR'S LARGER CONCERN IS WHEN LNDG RWY 31. TWR IS ISSUING TAXI INSTRUCTIONS WHEN IN THE MIDDLE OF LNDG ROLL. WITH ALL THAT ONGOING IN THE COCKPIT, THEY HAVE TO FREQUENTLY ASK AGAIN FOR CLARIFICATION. THE RPTR ADVISED THE TWR IS ALWAYS CLRING ANOTHER ACFT FOR TKOF BEFORE HE IS EITHER ANSWERED, OR IS CLRED TO GND WITHOUT CONFIRMATION. RPTR HAS 20 YRS MIL PLT EXPERIENCE IN COMBINATION WITH ACFT CARRIER SUPVR CTLR TIME.

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.