An MD88 first officer admitted that he and the captain did not read the fine print on the SID during departure from bos, causing them to turn the wrong way.

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Attributes
ACN	515640
Time
Date	200106
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bos.airport
State Reference	MA
Altitude	agl bound lower : 1000 agl bound upper : 2000
Environment
Flight Conditions	IMC
Light	Dawn
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-88
Flight Phase	climbout : intermediate altitude
Route In Use	departure sid : logan two
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 200 flight time total : 3000 flight time type : 250
ASRS Report	515640
Events
Anomaly	non adherence : published procedure non adherence : far non adherence : company policies non adherence : clearance other spatial deviation
Resolutory Action	controller : issued new clearance controller : issued advisory
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

After low visibility taxi, we were given a runway change clearance. Both of the pilots looked at the SID, but failed to see the specific runway instructions for runway 4L on the logan departure. After takeoff, we failed to turn 090 degrees at 4 DME off the bos TACAN. Departure asked us if we were on the departure and we said yes. They then said to turn 090 degrees as depicted.

Original NASA ASRS Text

Title: AN MD88 FO ADMITTED THAT HE AND THE CAPT DID NOT READ THE FINE PRINT ON THE SID DURING DEP FROM BOS, CAUSING THEM TO TURN THE WRONG WAY.

Narrative: AFTER LOW VISIBILITY TAXI, WE WERE GIVEN A RWY CHANGE CLRNC. BOTH OF THE PLTS LOOKED AT THE SID, BUT FAILED TO SEE THE SPECIFIC RWY INSTRUCTIONS FOR RWY 4L ON THE LOGAN DEP. AFTER TKOF, WE FAILED TO TURN 090 DEGS AT 4 DME OFF THE BOS TACAN. DEP ASKED US IF WE WERE ON THE DEP AND WE SAID YES. THEY THEN SAID TO TURN 090 DEGS AS DEPICTED.

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.