Narrative:

When coming into airports underlying the mia class B IFR, it is standard procedure for mia TRACON to descend piston aircraft (without regard to their turbocharged status) to 2000 ft MSL approximately 40 NM out from the airport. This is both dangerous and turbulent for an extended period of time. Having had an aircraft experience an engine failure in-flight recently, I am particularly sensitive to gliding distance and risk factors. I have spoken with mia TRACON on the telephone, and they advised me that there is no way to avoid this, due to traffic departing and arriving from mia and fll. They went on to note that at least I could climb out to my requested altitude quickly, since my aircraft is a 'fast climber.' I noted that my aircraft can descend much more quickly than climbing. Clearly there should be an IFR corridor that can be defined where a normal, or steeper descent could be made into airports like opf. They are treating my aircraft differently from turboprops, even though I am traveling the same speed, and can descend as quickly. This is a dangerous and uncomfortable situation that makes flying into this area a nightmare for me. Callback conversation with reporter revealed the following information: reporter mostly is concerned with ATC perception of aircraft capabilities. Mia ATC has advised him that other IFR aircraft routing into primary/secondary airports preclude development of his suggestion of a single engine, high performance arrival corridor into opf airport.

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Original NASA ASRS Text

Title: MO20T PLT CONCERNED WITH MIA APCH SEQUENCING.

Narrative: WHEN COMING INTO ARPTS UNDERLYING THE MIA CLASS B IFR, IT IS STANDARD PROC FOR MIA TRACON TO DSND PISTON ACFT (WITHOUT REGARD TO THEIR TURBOCHARGED STATUS) TO 2000 FT MSL APPROX 40 NM OUT FROM THE ARPT. THIS IS BOTH DANGEROUS AND TURBULENT FOR AN EXTENDED PERIOD OF TIME. HAVING HAD AN ACFT EXPERIENCE AN ENG FAILURE INFLT RECENTLY, I AM PARTICULARLY SENSITIVE TO GLIDING DISTANCE AND RISK FACTORS. I HAVE SPOKEN WITH MIA TRACON ON THE TELEPHONE, AND THEY ADVISED ME THAT THERE IS NO WAY TO AVOID THIS, DUE TO TFC DEPARTING AND ARRIVING FROM MIA AND FLL. THEY WENT ON TO NOTE THAT AT LEAST I COULD CLB OUT TO MY REQUESTED ALT QUICKLY, SINCE MY ACFT IS A 'FAST CLIMBER.' I NOTED THAT MY ACFT CAN DSND MUCH MORE QUICKLY THAN CLBING. CLRLY THERE SHOULD BE AN IFR CORRIDOR THAT CAN BE DEFINED WHERE A NORMAL, OR STEEPER DSCNT COULD BE MADE INTO ARPTS LIKE OPF. THEY ARE TREATING MY ACFT DIFFERENTLY FROM TURBOPROPS, EVEN THOUGH I AM TRAVELING THE SAME SPD, AND CAN DSND AS QUICKLY. THIS IS A DANGEROUS AND UNCOMFORTABLE SIT THAT MAKES FLYING INTO THIS AREA A NIGHTMARE FOR ME. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR MOSTLY IS CONCERNED WITH ATC PERCEPTION OF ACFT CAPABILITIES. MIA ATC HAS ADVISED HIM THAT OTHER IFR ACFT ROUTING INTO PRIMARY/SECONDARY ARPTS PRECLUDE DEVELOPMENT OF HIS SUGGESTION OF A SINGLE ENG, HIGH PERFORMANCE ARR CORRIDOR INTO OPF ARPT.

Data retrieved from NASA's ASRS site as of July 2007 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.