PA44 instructor pilot takes evasive action to avoid air carrier aircraft descending in orl airspace.

Attributes
ACN	423295
Time
Date	199812
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : omn
State Reference	FL
Altitude	msl bound lower : 4500 msl bound upper : 5500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	PA-44 Seminole Turbo Seminole
Flight Phase	cruise other
Route In Use	approach : visual
Flight Plan	None
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Navigation In Use	Other Other
Flight Phase	descent other
Person 1
Affiliation	Other
Function	instruction : instructor oversight : pic
Qualification	pilot : cfi pilot : commercial
Experience	flight time last 90 days : 130 flight time total : 1010 flight time type : 181
ASRS Report	423295
Person 2
Affiliation	Other
Function	instruction : trainee
Events
Anomaly	conflict : airborne less severe
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 50 vertical : 750
Supplementary
Air Traffic Incident	other

Narrative:

My student and I were transitioning from the florida coast inland to an area near deland to finish our scheduled training. The route crosses V3, V51, and the bitho.bitho 7. As we turned wbound, we began a VFR descent from 5500 ft to 4500 ft MSL to remain at an appropriate VFR altitude. Our flight path was above and south of the dab class C and below and north of the orl class B northeast shelf extension. I had just initiated a simulated engine failure when I spotted the B757 at my 1 O'clock position and 1 mi descending. I took control of the aircraft and initiated a hard right descending turn. It is difficult to say if the B757 was less than 1000 ft above us, but I felt that continued flight at my present altitude could result in a wake turbulence encounter. The B757 passed directly over us and continued a rapid descent into sfb. There have been numerous reports of close encounters in this area.

Original NASA ASRS Text

Title: PA44 INSTRUCTOR PLT TAKES EVASIVE ACTION TO AVOID ACR ACFT DSNDING IN ORL AIRSPACE.

Narrative: MY STUDENT AND I WERE TRANSITIONING FROM THE FLORIDA COAST INLAND TO AN AREA NEAR DELAND TO FINISH OUR SCHEDULED TRAINING. THE RTE CROSSES V3, V51, AND THE BITHO.BITHO 7. AS WE TURNED WBOUND, WE BEGAN A VFR DSCNT FROM 5500 FT TO 4500 FT MSL TO REMAIN AT AN APPROPRIATE VFR ALT. OUR FLT PATH WAS ABOVE AND S OF THE DAB CLASS C AND BELOW AND N OF THE ORL CLASS B NE SHELF EXTENSION. I HAD JUST INITIATED A SIMULATED ENG FAILURE WHEN I SPOTTED THE B757 AT MY 1 O'CLOCK POS AND 1 MI DSNDING. I TOOK CTL OF THE ACFT AND INITIATED A HARD R DSNDING TURN. IT IS DIFFICULT TO SAY IF THE B757 WAS LESS THAN 1000 FT ABOVE US, BUT I FELT THAT CONTINUED FLT AT MY PRESENT ALT COULD RESULT IN A WAKE TURB ENCOUNTER. THE B757 PASSED DIRECTLY OVER US AND CONTINUED A RAPID DSCNT INTO SFB. THERE HAVE BEEN NUMEROUS RPTS OF CLOSE ENCOUNTERS IN THIS AREA.

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.