<< >> NASA ASRS Report 828491, March 2009

Two instrument rated pilots aboard a cessna 340 failed to clarify a confusing aspect of their airways clearance and track and altitude deviations resulted. Event happened on the cathedral nine SID out of psp.

Attributes
ACN	828491
Time
Date	200903
Local Time Of Day	0601-1200
Place
Locale Reference	PSP.Airport
State Reference	CA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Flight Phase	Initial Climb
Route In Use	SID CATH
Person 1
Function	Single Pilot Pilot Flying
Person 2
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Private
Experience	Flight Crew Last 90 Days 32 Flight Crew Total 390 Flight Crew Type 340
Events
Anomaly	Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types

Narrative:

Received ATC clearance via cathedral 9 departure V370 tnp direct jotnu.... When I saw the V370 tnp on the clearance; we thought it was odd that they gave us a clearance for V370 and tnp. So after a review with the 54-year pilot with an instrument rating flying with me that flew out of psp for 16 years was helping me. We were confused. We thought that they should have given us only tnp. And that we were only cleared for V370 tnp. So we basically flew the V370 to tnp off psp and never flew the emrud portion of the departure. After we realized what we did; if we did not understand we should have asked or phoned the tower for clarification before takeoff.

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Original NASA ASRS Text

Title: Two instrument rated pilots aboard a Cessna 340 failed to clarify a confusing aspect of their airways clearance and track and altitude deviations resulted. Event happened on the CATHEDRAL NINE SID out of PSP.

Narrative: Received ATC clearance via Cathedral 9 Departure V370 TNP direct JOTNU.... When I saw the V370 TNP on the clearance; we thought it was odd that they gave us a clearance for V370 and TNP. So after a review with the 54-year pilot with an instrument rating flying with me that flew out of PSP for 16 years was helping me. We were confused. We thought that they should have given us only TNP. And that we were only cleared for V370 TNP. So we basically flew the V370 to TNP off PSP and never flew the EMRUD portion of the departure. After we realized what we did; if we did not understand we should have asked or phoned the Tower for clarification before takeoff.

Data retrieved from NASA's ASRS site as of April 2012 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.