Narrative:

Directed by socal departure to maintain 280 KTS below 10;000 feet during climb. Verbally confirmed the clearance and complied with ATC instructions. Similar; on descent; instructed by chicago center to maintain 300 KTS until further notice. At 11;000 feet and cleared to 7;000 feet; queried ord approach control as to the speed they wanted from us. Was instructed to maintain 300 knots until further notice and continue our descent; which took us below 10;000 feet at 300 KTS.followed ATC instructions for non-standard speed below 10;000 feet; which we assumed was for aircraft separation during the climb and the descent.

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Original NASA ASRS Text

Title: Air carrier pilot reports of two instances where they were instructed to maintain a speed higher than 250 knots while below 10;000 feet.

Narrative: Directed by SOCAL Departure to maintain 280 KTS below 10;000 feet during climb. Verbally confirmed the clearance and complied with ATC instructions. Similar; on descent; instructed by Chicago Center to maintain 300 KTS until further notice. At 11;000 feet and cleared to 7;000 feet; queried ORD Approach Control as to the speed they wanted from us. Was instructed to maintain 300 knots until further notice and continue our descent; which took us below 10;000 feet at 300 KTS.Followed ATC instructions for non-standard speed below 10;000 feet; which we assumed was for aircraft separation during the climb and the descent.

Data retrieved from NASA's ASRS site 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.