Small Transport
Flight Crew Commercial
Flight Crew Last 90 Days 150; Flight Crew Total 1400; Flight Crew Type 1000
Deviation - Speed All Types; Deviation / Discrepancy - Procedural Clearance; Inflight Event / Encounter Weather / Turbulence; Inflight Event / Encounter Wake Vortex Encounter
Air Traffic Control Issued Advisory / Alert
Procedure; Environment - Non Weather Related
Upon initial descent from FL230 to LARKS intersection at 16000 feet we encountered continuous moderate turbulence and advised Approach of the conditions and that we were unable to maintain best forward speed of 200 knots. Throughout the entire descent from 16000 until our glide slope intercept for 35L we were encountering continued turbulence and advised the Controllers unable any faster. We were sequenced 5 miles behind a heavy Aircraft and given the visual approach to land. Upon the descent out of 10000 we continued the moderate turbulence as well as a 50kt direct crosswind from ~260 heading from the left. We were told to maintain best forward speed before 6 mile final for spacing as aircraft were trailing. With our current conditions we were unable to do so with the full passenger count as well as the crosswinds and the wake turbulence from the other Aircraft. We were given clearance to land and taxi off and told to copy a number for possible deviation. No aircraft went around after our landing nor were we told to go around. We believe if there was a problem with the spacing that we should have been told to break off course and go around so the larger; faster aircraft could land and we could get sequenced again.
I was flying into DEN and Approach asked to keep the speed at 170k to DYMON. I did the best to my ability keeping it as close to 170 as possible however I was experiencing wind shear and moderate turbulence until short final. I was also in trail of a heavy producing wake turbulence. Upon landing I was given a number to call ATC.
Small Transport flight crew reported they were unable to maintain ATC assigned speed on arrival into DEN because of wind shear; turbulence; and wake effects from the preceding Heavy Transport.