B737-200 crew starts their turn to 200 degrees too soon during departure procedure out of sfo. While in the turn controller reminds them of the SID requirements.

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Attributes
ACN	378790
Time
Date	199708
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	msl bound lower : 1600 msl bound upper : 1600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : oak
Operator	common carrier : air carrier
Make Model Name	B737-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial climbout : intermediate altitude cruise other
Route In Use	departure other departure sid : sid
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	controller radar : 7 flight time last 90 days : 120 flight time total : 4200 flight time type : 500
ASRS Report	378790
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Aircraft took off to the north on porte 1 departure. Captain said 'clear left' so first officer turned to left on 200 degree heading. ATC said that we were supposed to wait until 1600 ft/4 DME before left turn. Believe when captain said clear left, his intention was to say first officer was cleared to intercept 350 degree radial off sfo. Captain/first officer did not realize the problem until ATC brought it to flight crew's attention.

Original NASA ASRS Text

Title: B737-200 CREW STARTS THEIR TURN TO 200 DEGS TOO SOON DURING DEP PROC OUT OF SFO. WHILE IN THE TURN CTLR REMINDS THEM OF THE SID REQUIREMENTS.

Narrative: ACFT TOOK OFF TO THE N ON PORTE 1 DEP. CAPT SAID 'CLR L' SO FO TURNED TO L ON 200 DEG HDG. ATC SAID THAT WE WERE SUPPOSED TO WAIT UNTIL 1600 FT/4 DME BEFORE L TURN. BELIEVE WHEN CAPT SAID CLR L, HIS INTENTION WAS TO SAY FO WAS CLRED TO INTERCEPT 350 DEG RADIAL OFF SFO. CAPT/FO DID NOT REALIZE THE PROB UNTIL ATC BROUGHT IT TO FLC'S ATTN.

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.