<< >> NASA ASRS Report 1647466, May 2019

TRACON instructor and their developmental reported they allowed an IFR aircraft to fly below the minimum vectoring altitude because they thought the aircraft was on a VFR flight plan.

Attributes
ACN	1647466
Time
Date	201905
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.TRACON
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Route In Use	Vectors
Flight Plan	IFR
Person 1
Function	Enroute Instructor
Qualification	Air Traffic Control Fully Certified
Experience	Air Traffic Control Time Certified In Pos 1 (yrs) 1.7
Person 2
Function	Trainee Enroute
Qualification	Air Traffic Control Developmental
Events
Anomaly	ATC Issue All Types Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT

Narrative:

Aircraft X departed ZZZ on an IFR flight plan. I was conducting training at the time and was sitting at the adjacent scope. On initial contact the trainee climbed the aircraft to 3;000 feet. A few minutes later my trainee goes to terminate radar services and the pilot said he's IFR wanting practice approaches. I immediately took over and vectored the aircraft away from the minimum vectoring altitude and climbed them to 3;500 feet. The aircraft entered the minimum vectoring altitude MVA below the minimum altitude.

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Original NASA ASRS Text

Title: TRACON Instructor and their developmental reported they allowed an IFR aircraft to fly below the Minimum Vectoring Altitude because they thought the aircraft was on a VFR flight plan.

Narrative: Aircraft X departed ZZZ on an IFR flight plan. I was conducting training at the time and was sitting at the adjacent scope. On initial contact the trainee climbed the aircraft to 3;000 feet. A few minutes later my trainee goes to terminate radar services and the pilot said he's IFR wanting practice approaches. I immediately took over and vectored the aircraft away from the Minimum Vectoring Altitude and climbed them to 3;500 feet. The aircraft entered the Minimum Vectoring Altitude MVA below the minimum altitude.

Data retrieved from NASA's ASRS site 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.