Narrative:

After takeoff on the ruudy 2 departure; we leveled at 1500 ft; the assigned crossing altitude at wentz on the SID and were flying toward wentz. Prior to reaching wentz intersection; ny departure cleared us to 10;000 ft. We initially thought we could start an immediate climb to 10;000 ft per ATC instructions; and not follow the altitudes on the SID. Just prior to wentz; I began a climbout of 1500 for 10;000 ft. There was no traffic and ATC did not query us; but there was confusion between the crew whether we still needed to comply with the published SID altitudes; or we could begin our climb to 10;000. ATC should specify if we should begin an immediate climb or still maintain the SID crossing altitudes to eliminate any confusion; especially in the low altitude; high workload environment; or the crew should query if confused.

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Original NASA ASRS Text

Title: A BE-400 flight crew departing TEB was cleared to climb before a crossing restriction was met; and they were unclear if they could legally do that.

Narrative: After takeoff on the RUUDY 2 departure; we leveled at 1500 FT; the assigned crossing altitude at WENTZ on the SID and were flying toward WENTZ. Prior to reaching WENTZ intersection; NY departure cleared us to 10;000 FT. We initially thought we could start an immediate climb to 10;000 FT per ATC instructions; and not follow the altitudes on the SID. Just prior to WENTZ; I began a climbout of 1500 for 10;000 FT. There was no traffic and ATC did not query us; but there was confusion between the crew whether we still needed to comply with the published SID altitudes; or we could begin our climb to 10;000. ATC should specify if we should begin an immediate climb or still maintain the SID crossing altitudes to eliminate any confusion; especially in the low altitude; high workload environment; or the crew should query if confused.

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.