Air carrier X TCASII RA from air carrier Y vertical separation in use.

Attributes
ACN	250785
Time
Date	199309
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dxo
State Reference	MI
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Route In Use	enroute : direct enroute airway : dtw
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 15
ASRS Report	250785
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	vertical : 1000
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

Air carrier X was inbound to dtw at 11000 ft. Air carrier Y was a departure off of dtw climbing to 10000 ft. Air carrier X had an RA and climbed 150 ft until the RA ceased.

Original NASA ASRS Text

Title: ACR X TCASII RA FROM ACR Y VERT SEPARATION IN USE.

Narrative: ACR X WAS INBOUND TO DTW AT 11000 FT. ACR Y WAS A DEP OFF OF DTW CLBING TO 10000 FT. ACR X HAD AN RA AND CLBED 150 FT UNTIL THE RA CEASED.

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.