Air carrier medium large transport was on night visual approach. The tower informed medium large transport of an EMS approaching a nearby hospital. TCASII alert demanded a climb. The medium large transport climbed, then successfully completed the approach.

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Attributes
ACN	206966
Time
Date	199204
Day	Sat
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 1500 agl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : zzz
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Helicopter
Flight Phase	descent : approach landing other
Route In Use	approach : visual
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 100 flight time total : 11000 flight time type : 2000
ASRS Report	206966
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	conflict : airborne less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 2000 vertical : 300
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

Cleared for visual approach runway 5 ZZZ at night. We received traffic information from ATC. 'A helicopter at 2 O'clock has you in sight, landing at hospital near approach course.' we never did see the traffic but we did get a TCASII RA to climb. We did climb, but were able to continue approach after clear of traffic from TCASII. After landing my first officer questioned tower about traffic being so close and informed him we had a TCASII RA. Both ATC and the first officer had a short but heated argument. My first officer was out of line for his tone of voice, but also ATC took offense to TCASII and it's use in the air traffic system. I have been finding that ATC in general is not too fond of TCASII because it takes away from their authority. In this case everything worked as it should.

Original NASA ASRS Text

Title: ACR MLG WAS ON NIGHT VISUAL APCH. THE TWR INFORMED MLG OF AN EMS APCHING A NEARBY HOSPITAL. TCASII ALERT DEMANDED A CLB. THE MLG CLBED, THEN SUCCESSFULLY COMPLETED THE APCH.

Narrative: CLRED FOR VISUAL APCH RWY 5 ZZZ AT NIGHT. WE RECEIVED TFC INFO FROM ATC. 'A HELI AT 2 O'CLOCK HAS YOU IN SIGHT, LNDG AT HOSPITAL NEAR APCH COURSE.' WE NEVER DID SEE THE TFC BUT WE DID GET A TCASII RA TO CLB. WE DID CLB, BUT WERE ABLE TO CONTINUE APCH AFTER CLR OF TFC FROM TCASII. AFTER LNDG MY FO QUESTIONED TWR ABOUT TFC BEING SO CLOSE AND INFORMED HIM WE HAD A TCASII RA. BOTH ATC AND THE FO HAD A SHORT BUT HEATED ARGUMENT. MY FO WAS OUT OF LINE FOR HIS TONE OF VOICE, BUT ALSO ATC TOOK OFFENSE TO TCASII AND IT'S USE IN THE AIR TFC SYS. I HAVE BEEN FINDING THAT ATC IN GENERAL IS NOT TOO FOND OF TCASII BECAUSE IT TAKES AWAY FROM THEIR AUTHORITY. IN THIS CASE EVERYTHING WORKED AS IT SHOULD.

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.