Narrative:

Just after touchdown; while nose wheel still in the air and airspeed indicating 125 plus knots; tower controller tells us; 'exit at sierra.' this negative trend has been increasing over the last few months coming in to certain airports and needs to be corrected. Aircrews do not need to be distracted during a critical phase of flight to respond to an illegal ATC instruction. Our fleet cannot consider lahso unless there is usually 7;000-8;000 feet available and in no case can this instruction be given literally at the last second. We deferred a readback and concentrated on landing safely and reducing speed to a safe margin before we replied to tower. The tower controller became testy and repeated the instruction when we were still in excess of 85 knots.liaisons from flight and ATC need to meet from time to time to go over these hot topics. I'm sure that ATC had no intention of reducing safety; but inadvertently; they are at a critical point. Landing aircraft have priority. If something nonstandard is needed; a 'request should be made' at an earlier time; but under no circumstances should it be something that is against an operations manager or common sense.

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Original NASA ASRS Text

Title: Air carrier First Officer reported receiving ATC instructions for taxi during the critical landing phase of their flight.

Narrative: Just after touchdown; while nose wheel still in the air and airspeed indicating 125 plus knots; Tower controller tells us; 'Exit at Sierra.' This negative trend has been increasing over the last few months coming in to certain airports and needs to be corrected. Aircrews do not need to be distracted during a critical phase of flight to respond to an illegal ATC instruction. Our fleet cannot consider LAHSO unless there is usually 7;000-8;000 feet available and in no case can this instruction be given literally at the last second. We deferred a readback and concentrated on landing safely and reducing speed to a safe margin before we replied to Tower. The Tower controller became testy and repeated the instruction when we were still in excess of 85 knots.Liaisons from Flight and ATC need to meet from time to time to go over these hot topics. I'm sure that ATC had no intention of reducing safety; but inadvertently; they are at a critical point. Landing aircraft have priority. If something nonstandard is needed; a 'request should be made' at an earlier time; but under no circumstances should it be something that is against an operations manager or common sense.

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.