<< >> NASA ASRS Report 430540, March 1999

Instructor pilot allowed flight to deviate from localizer course requiring parallel approach aircraft to be vectored for spacing.

Attributes
ACN	430540
Time
Date	199903
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : clt.airport
State Reference	NC
Altitude	msl single value : 2000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : cle.tracon
Operator	general aviation : instructional
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Navigation In Use	ils localizer & glide slope : ns
Flight Phase	descent : approach
Route In Use	approach : instrument precision
Flight Plan	IFR
Person 1
Affiliation	other
Function	instruction : instructor
Qualification	pilot : atp pilot : cfi pilot : commercial pilot : instrument pilot : multi engine
Experience	flight time last 90 days : 200 flight time total : 20000 flight time type : 800
ASRS Report	430540
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	conflict : airborne less severe non adherence : clearance non adherence : published procedure other anomaly
Independent Detector	other controllera
Resolutory Action	controller : separated traffic
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I allowed my student to vary his approach on the localizer at clt far enough so the tower asked me to call them. I called and they said we flew an 'unstabilized' approach and he had to vector another aircraft off a parallel ILS and back on.

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Original NASA ASRS Text

Title: INSTRUCTOR PLT ALLOWED FLT TO DEVIATE FROM LOC COURSE REQUIRING PARALLEL APCH ACFT TO BE VECTORED FOR SPACING.

Narrative: I ALLOWED MY STUDENT TO VARY HIS APCH ON THE LOC AT CLT FAR ENOUGH SO THE TWR ASKED ME TO CALL THEM. I CALLED AND THEY SAID WE FLEW AN 'UNSTABILIZED' APCH AND HE HAD TO VECTOR ANOTHER ACFT OFF A PARALLEL ILS AND BACK ON.

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.