Controller catches bizjet crew in training following their instructor's direction beginning approach and leaving assigned altitude without clearance. Issued new clearance.

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Attributes
ACN	441774
Time
Date	199906
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : vpc.airport
State Reference	GA
Altitude	msl bound lower : 3400 msl bound upper : 4000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Gulfstream I (Large Turboprop)
Operating Under FAR Part	Part 91
Navigation In Use	other ndb
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : captain instruction : trainee oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 190 flight time total : 8400 flight time type : 3000
ASRS Report	441774
Person 2
Affiliation	other
Function	flight crew : first officer instruction : trainee
Qualification	pilot : atp pilot : cfi pilot : multi engine
Experience	flight time last 90 days : 150 flight time total : 3100 flight time type : 1300
ASRS Report	441773
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance flight crew : became reoriented
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We had asked for radar vector to the localizer at cartersville. We were given a heading when the instructor came on and told us we could not give radar vector and cleared us to the NDB, saying we had to do the approach ourselves. We were just about over the NDB at the time and I misunderstood the controller to be cleared for the approach. So, being over the NDB, I started to descend to 3400 ft and enter the hold. Through 3600 ft, the controller questioned altitude and cleared us back to the NDB at 4000 ft and then cleared us for the approach again. Supplemental information from acn 441773: upon receiving radar vectors to the localizer 19 at upc, we were given a heading when the instructor came on and told us we could not receive radar vectors and we were cleared to the NDB saying we had to continue the approach ourselves. We were near the NDB (5 mi) and then we misunderstood the controller to be cleared for the approach. Over the NDB we started to descend to 3400 ft and entered hold through 3600 ft and the controller questioned altitude and cleared us back to NDB at 4000 ft and cleared us for approach again.

Original NASA ASRS Text

Title: CTLR CATCHES BIZJET CREW IN TRAINING FOLLOWING THEIR INSTRUCTOR'S DIRECTION BEGINNING APCH AND LEAVING ASSIGNED ALT WITHOUT CLRNC. ISSUED NEW CLRNC.

Narrative: WE HAD ASKED FOR RADAR VECTOR TO THE LOCALIZER AT CARTERSVILLE. WE WERE GIVEN A HDG WHEN THE INSTRUCTOR CAME ON AND TOLD US WE COULD NOT GIVE RADAR VECTOR AND CLRED US TO THE NDB, SAYING WE HAD TO DO THE APCH OURSELVES. WE WERE JUST ABOUT OVER THE NDB AT THE TIME AND I MISUNDERSTOOD THE CTLR TO BE CLRED FOR THE APCH. SO, BEING OVER THE NDB, I STARTED TO DSND TO 3400 FT AND ENTER THE HOLD. THROUGH 3600 FT, THE CTLR QUESTIONED ALT AND CLRED US BACK TO THE NDB AT 4000 FT AND THEN CLRED US FOR THE APCH AGAIN. SUPPLEMENTAL INFO FROM ACN 441773: UPON RECEIVING RADAR VECTORS TO THE LOC 19 AT UPC, WE WERE GIVEN A HDG WHEN THE INSTRUCTOR CAME ON AND TOLD US WE COULD NOT RECEIVE RADAR VECTORS AND WE WERE CLRED TO THE NDB SAYING WE HAD TO CONTINUE THE APCH OURSELVES. WE WERE NEAR THE NDB (5 MI) AND THEN WE MISUNDERSTOOD THE CTLR TO BE CLRED FOR THE APCH. OVER THE NDB WE STARTED TO DSND TO 3400 FT AND ENTERED HOLD THROUGH 3600 FT AND THE CTLR QUESTIONED ALT AND CLRED US BACK TO NDB AT 4000 FT AND CLRED US FOR APCH AGAIN.

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.