Medium Large Transport; Low Wing; 2 Turbojet Eng
Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Situational Awareness; Communication Breakdown
ATC Issue All Types; Deviation - Altitude Crossing Restriction Not Met; Deviation / Discrepancy - Procedural Clearance; Deviation / Discrepancy - Procedural Published Material / Policy
Air Traffic Control Issued New Clearance; Flight Crew Requested ATC Assistance / Clarification
Human Factors; Procedure
I was Pilot Flying on today's flight. We were given Runway 3L for takeoff with the New 'SNDRS 1' RNAV departure. Pushback was normal; we followed all of the standard procedures. We taxied out of the ramp and contacted ground. They advised us that they changed the departing runway from 3L to 4R/Y2. So I went back and did the runway change item looked at the new SID profile and completed the rest of the checklists. We continue taxing down Y until Y2 where we were cleared for takeoff via the SID. Captain gave me the controls and I performed the takeoff. Once we got airborne we switched to departure and they told us to 'climb and maintain 17;000 feet' so the captain bugs 17;000 as I was hand flying the departure. We continued the departure until somewhere between 'FERRM' & 'AVERL' we got a traffic advisory aural; at this time I am still hand flying the airplane and we were climbing through 8;000 feet. At that point ATC advises us to stop our climb and maintain 9;000 feet. So I lowered the nose and turned off the flight director as I decreasing our climb rate and captured 9;000 feet. Once we were established ATC informed us that we need to call the tower once we land. Captain and I looked at each other as we were very confused; nonetheless he asked ATC what we did wrong and ATC said that we missed our altitude restrictions at FERRM at or below 6; and AVERL at or below 7 even though we were told to climb and maintain 17;000 feet.I think there were several factors that caused this deviation. Some contributing factors includes the SID being brand new and neither I nor the Captain have flown this departure. Also I should have briefed the SID a little bit more in detail once they switched runways on us. Most importantly there was a breakdown in communication between us and ATC. We were told to maintain 7;000 feet on the ground but once we got airborne we were assigned to climb and maintain 17;000 feet. We should have asked ATC if the other altitude restrictions still applied or not. It's safe to say that both of us thought we were no longer required to comply with the altitude restrictions so we flew it like all the other departures out of DTW and bugged the newly assigned altitude of 17;000.
We were to depart out of DTW metro airport on a flight. ATC issued us clearance via the newly implemented SNDRS1 departure SID. We were assigned initially Runway 3L. As we pushed back from the gate we were one hour behind to start. After pushing back we taxied and contacted DTW ground. As ground gave us instruction to taxi they switched our departure runway to be now run 4R/Y2. At the runway 4R/Y2 tower instructed us for takeoff via the SID to maintain 7;000. FO (First Officer) was the PF (Pilot Flying) while I was performing the duties of PNF (Pilot Not Flying / Pilot Monitoring). As we got airborne DTW tower asked us to switch to departure. Upon contacting departure; departure then instructed us to climb and maintain 17;000. While we were climbing through 9;000 DTW departure then asked us to maintain 9;000. As we leveled off at 9;000 ATC then instructed us to climb 17;000. Before switching us to CLE CTR; DTW departure informed us of a possible pilot deviation and to contact them upon arrival. Some causing factors of this possible deviation [include] the new departure procedures at DTW airport which had been implemented two days prior to this flight. Another factor is even though the FO was PF and had briefed the SID completely; but neither of us PF; nor PNF had flown the SID; SNDRS1 departure. I think what went wrong is the fact the we were issued clear for takeoff climb maintain 7;000 and then as we switched to departure we were than assigned climb and maintain 17;000. I as PNF should have been more assertive in inquiring whether they wanted us to maintain 17;000 and comply with all the other altitudes or not. We just assumed to climb to 17;000.
Air carrier flight crew reported possible altitude deviation on a new DTW airport SNDRS 1 'climb via' SID.