<< >> NASA ASRS Report 403746, May 1998

MD90, a departure off oma, was instructed to turn left after takeoff and while turning encountered a B727 making an ILS approach from the opposite end.

Attributes
ACN	403746
Time
Date	199805
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : oma
State Reference	NE
Altitude	msl bound lower : 2600 msl bound upper : 2600
Environment
Flight Conditions	IMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : oma tower : oma
Operator	common carrier : air carrier
Make Model Name	MD-90-30
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	climbout : initial
Route In Use	departure other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach descent other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 100 flight time total : 14500 flight time type : 6000
ASRS Report	403746
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : cfi pilot : atp
Experience	flight time last 90 days : 120 flight time total : 7900 flight time type : 850
ASRS Report	403745
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : unspecified aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	controller : issued new clearance none taken : unable other
Consequence	Other
Miss Distance	horizontal : 18000 vertical : 400
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Prior to reaching the end of runway 14R, tower cleared us for takeoff. 'Air carrier X cleared for takeoff turn left heading 070 degrees' with no altitude stated in clearance for when to start turn. We decided to start our turn at 2600 ft as per the IFR departure procedure. At approximately 2300 ft, we noticed traffic at 12 O'clock position, 300 ft below descending. We expedited our climb and started our turn to a heading of 070 degrees. We learned that the other aircraft was a B727 on the ILS to the opposite runway 32L. We were given no prior notice by ATC of opposite direction traffic.

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Original NASA ASRS Text

Title: MD90, A DEP OFF OMA, WAS INSTRUCTED TO TURN L AFTER TKOF AND WHILE TURNING ENCOUNTERED A B727 MAKING AN ILS APCH FROM THE OPPOSITE END.

Narrative: PRIOR TO REACHING THE END OF RWY 14R, TWR CLRED US FOR TKOF. 'ACR X CLRED FOR TKOF TURN L HDG 070 DEGS' WITH NO ALT STATED IN CLRNC FOR WHEN TO START TURN. WE DECIDED TO START OUR TURN AT 2600 FT AS PER THE IFR DEP PROC. AT APPROX 2300 FT, WE NOTICED TFC AT 12 O'CLOCK POS, 300 FT BELOW DSNDING. WE EXPEDITED OUR CLB AND STARTED OUR TURN TO A HDG OF 070 DEGS. WE LEARNED THAT THE OTHER ACFT WAS A B727 ON THE ILS TO THE OPPOSITE RWY 32L. WE WERE GIVEN NO PRIOR NOTICE BY ATC OF OPPOSITE DIRECTION TFC.

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.