Opposite direction traffic at same altitude causes TCASII and evasive action climb turn.

Attributes
ACN	254059
Time
Date	199310
Day	Fri
Local Time Of Day	0001 To 0600
Place
Locale Reference	atc facility : lgm
State Reference	FO
Altitude	msl bound lower : 33000 msl bound upper : 33000
Environment
Flight Conditions	Marginal
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Route In Use	enroute airway : ug431
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 110 flight time total : 10000 flight time type : 7000
ASRS Report	254059
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : nmac non adherence : far
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	vertical : 400
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error Pilot Deviation Operational Deviation
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

Cleared by lima control at FL330. Told to contact bogota radio on HF. FL330 proper hemispheric cruising level on this segment (magnetic course 360 degrees on chart). No response from bogota radio. Received TCASII RA caused by opposite direction traffic at FL330.

Original NASA ASRS Text

Title: OPPOSITE DIRECTION TFC AT SAME ALT CAUSES TCASII AND EVASIVE ACTION CLB TURN.

Narrative: CLRED BY LIMA CTL AT FL330. TOLD TO CONTACT BOGOTA RADIO ON HF. FL330 PROPER HEMISPHERIC CRUISING LEVEL ON THIS SEGMENT (MAGNETIC COURSE 360 DEGS ON CHART). NO RESPONSE FROM BOGOTA RADIO. RECEIVED TCASII RA CAUSED BY OPPOSITE DIRECTION TFC AT FL330.

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.