Narrative:

I was on a 090 degree heading; within the dallas area at I believe an altitude of 8000 ft. Was instructed to increase speed to 280 KTS and turn to a heading of 360 degrees and climb to 9000 ft I requested direction of turn right or left. The controller in an indignant voice said left. I informed the controller that I was unable the speed of 280 KTS. The best I could do was 260 KTS. I momentarily oversped the aircraft. I was then asked to climb to 10000 ft and turn heading 280 degrees left. I started the turn and started to dial in the altitude and climb. The controller came back and told me that it took me too long to climb so stay at 9000 ft. The airplane had started the climb at the time he requested. I was at 9100 ft at the airspeed he requested. The climb rate was very high by the time I kicked the autoplt off; I was already approaching 9800 ft at which time I started to get the aircraft to descend. I was then given a heading of 330 degrees; then 240 degrees then 320 degrees then 330 degrees then 360 degrees. The controller was very busy nonstop commands. I received approximately 14 directional changes in a period of less than approximately 9 mins. Flying single pilot.

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Original NASA ASRS Text

Title: CITATION CE525A PLT HAS AN ALTDEV DURING CLB.

Narrative: I WAS ON A 090 DEG HDG; WITHIN THE DALLAS AREA AT I BELIEVE AN ALT OF 8000 FT. WAS INSTRUCTED TO INCREASE SPD TO 280 KTS AND TURN TO A HDG OF 360 DEGS AND CLB TO 9000 FT I REQUESTED DIRECTION OF TURN R OR L. THE CTLR IN AN INDIGNANT VOICE SAID L. I INFORMED THE CTLR THAT I WAS UNABLE THE SPD OF 280 KTS. THE BEST I COULD DO WAS 260 KTS. I MOMENTARILY OVERSPED THE ACFT. I WAS THEN ASKED TO CLB TO 10000 FT AND TURN HDG 280 DEGS L. I STARTED THE TURN AND STARTED TO DIAL IN THE ALT AND CLB. THE CTLR CAME BACK AND TOLD ME THAT IT TOOK ME TOO LONG TO CLB SO STAY AT 9000 FT. THE AIRPLANE HAD STARTED THE CLB AT THE TIME HE REQUESTED. I WAS AT 9100 FT AT THE AIRSPD HE REQUESTED. THE CLB RATE WAS VERY HIGH BY THE TIME I KICKED THE AUTOPLT OFF; I WAS ALREADY APCHING 9800 FT AT WHICH TIME I STARTED TO GET THE ACFT TO DSND. I WAS THEN GIVEN A HDG OF 330 DEGS; THEN 240 DEGS THEN 320 DEGS THEN 330 DEGS THEN 360 DEGS. THE CTLR WAS VERY BUSY NONSTOP COMMANDS. I RECEIVED APPROX 14 DIRECTIONAL CHANGES IN A PERIOD OF LESS THAN APPROX 9 MINS. FLYING SINGLE PLT.

Data retrieved from NASA's ASRS site as of January 2009 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.