Air carrier flight crew experiences track deviation on SID at mdw.

Attributes
ACN	463355
Time
Date	200002
Day	Mon
Local Time Of Day	1801 To 2400
Place
State Reference	IL
Altitude	msl single value : 3000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : c90.tracon
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer only : 31c
Flight Phase	climbout : takeoff
Route In Use	departure sid : mdw 4
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : instrument pilot : multi engine pilot : private
Experience	flight time last 90 days : 260 flight time total : 8000 flight time type : 5000
ASRS Report	463355
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 160 flight time total : 10000 flight time type : 1000
ASRS Report	463560
Events
Anomaly	non adherence : published procedure non adherence : clearance other spatial deviation
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued advisory flight crew : returned to intended or assigned course
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Departed out of mdw on flight to dtw. First officer flying departure. Takeoff on runway 31C, clearance to turn to 090 degree heading, maintain 3000 ft. SID specifies remain within 4 DME of localizer (109.9) start turn above 1300 ft. Takeoff uneventful, but first officer delayed turn to 090 degrees. I directed him to start turn, then tower directed us to start turn. First officer finally started turn at approximately 1900 ft. However, as we started to level off at 3000 ft, he began decreasing his bank angle. I once again directed he continue his turn. His airspeed increased to 250 KTS and we went beyond the 4 DME restr out to 5.9 DME. Departure asked if we had a problem and told them we were in the turn. The first officer's unfamiliarity with flying the B737-200 contributed to his poor xchk and poor compliance with the departure procedure. We had discussed the restrs of the SID at length prior to engine start. I thought he understood them well enough to be able to fly it correctly. Supplemental information from acn 463560: I believe the high workload combined with not being familiar with the area contributed a great deal to this incident.

Original NASA ASRS Text

Title: ACR FLC EXPERIENCES TRACK DEV ON SID AT MDW.

Narrative: DEPARTED OUT OF MDW ON FLT TO DTW. FO FLYING DEP. TKOF ON RWY 31C, CLRNC TO TURN TO 090 DEG HDG, MAINTAIN 3000 FT. SID SPECIFIES REMAIN WITHIN 4 DME OF LOC (109.9) START TURN ABOVE 1300 FT. TKOF UNEVENTFUL, BUT FO DELAYED TURN TO 090 DEGS. I DIRECTED HIM TO START TURN, THEN TWR DIRECTED US TO START TURN. FO FINALLY STARTED TURN AT APPROX 1900 FT. HOWEVER, AS WE STARTED TO LEVEL OFF AT 3000 FT, HE BEGAN DECREASING HIS BANK ANGLE. I ONCE AGAIN DIRECTED HE CONTINUE HIS TURN. HIS AIRSPD INCREASED TO 250 KTS AND WE WENT BEYOND THE 4 DME RESTR OUT TO 5.9 DME. DEP ASKED IF WE HAD A PROB AND TOLD THEM WE WERE IN THE TURN. THE FO'S UNFAMILIARITY WITH FLYING THE B737-200 CONTRIBUTED TO HIS POOR XCHK AND POOR COMPLIANCE WITH THE DEP PROC. WE HAD DISCUSSED THE RESTRS OF THE SID AT LENGTH PRIOR TO ENG START. I THOUGHT HE UNDERSTOOD THEM WELL ENOUGH TO BE ABLE TO FLY IT CORRECTLY. SUPPLEMENTAL INFO FROM ACN 463560: I BELIEVE THE HIGH WORKLOAD COMBINED WITH NOT BEING FAMILIAR WITH THE AREA CONTRIBUTED A GREAT DEAL TO THIS INCIDENT.

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.