<< >> NASA ASRS Report 1047187, November 2012

Air carrier departure from sdf failed to comply with ATC instructions partly due to miscommunication in the cockpit and the ATC instructions.

Attributes
ACN	1047187
Time
Date	201211
Local Time Of Day	0001-0600
Place
Locale Reference	SDF.Airport
State Reference	KY
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Initial Climb
Flight Plan	IFR
Person 1
Function	Captain Pilot Not Flying
Experience	Flight Crew Last 90 Days 155
Person 2
Function	First Officer Pilot Flying
Experience	Flight Crew Last 90 Days 131
Events
Anomaly	ATC Issue All Types Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types

Narrative:

The sdf tower controller cleared me for takeoff on runway 17R and said to RNAV tayvl. We were departing on the fedra one RNAV departure and I read back; 'cleared for takeoff direct tayvl.' I selected and executed tayvl while the first officer selected LNAV on the MCP. Departure control told us to turn to a heading of 180; traffic off the left; and we were to be on the fedra one departure. We turned to the heading and I told ATC that I thought we were instructed to proceed direct to tayvl. I am still confused as to why the instruction is not fedra one RNAV departure tayvl if they want you to stay on the departure. I really thought the instruction was to RNAV to tayvl; miscommunication with ATC.

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Original NASA ASRS Text

Title: Air Carrier departure from SDF failed to comply with ATC instructions partly due to miscommunication in the cockpit and the ATC instructions.

Narrative: The SDF Tower Controller cleared me for takeoff on Runway 17R and said to RNAV TAYVL. We were departing on the FEDRA ONE RNAV Departure and I read back; 'Cleared for takeoff direct TAYVL.' I selected and executed TAYVL while the First Officer selected LNAV on the MCP. Departure Control told us to turn to a heading of 180; traffic off the left; and we were to be on the FEDRA ONE Departure. We turned to the heading and I told ATC that I thought we were instructed to proceed direct to TAYVL. I am still confused as to why the instruction is not FEDRA ONE RNAV Departure TAYVL if they want you to stay on the departure. I really thought the instruction was to RNAV to TAYVL; miscommunication with ATC.

Data retrieved from NASA's ASRS site as of July 2013 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.