<< >> NASA ASRS Report 1567545, August 2018

Controller reported not listening correctly to a read back which had the pilot descend below the minimum vectoring altitude.

Attributes
ACN	1567545
Time
Date	201808
Local Time Of Day	0001-0600
Place
Locale Reference	CHA.Airport
State Reference	TN
Aircraft 1
Make Model Name	Small Aircraft Low Wing 1 Eng Retractable Gear
Flight Phase	Descent
Route In Use	None
Flight Plan	IFR
Person 1
Function	Approach
Qualification	Air Traffic Control Fully Certified
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT

Narrative:

Aircraft leveled off at 3600 and then told me he was continuing his descent. I believe I misheard him and thought he said he was continuing inbound. The 3600 MVA [minimum vectoring altitude] was busted and I had him climb back to 3600. Listen actively.

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Original NASA ASRS Text

Title: Controller reported not listening correctly to a read back which had the pilot descend below the Minimum Vectoring Altitude.

Narrative: Aircraft leveled off at 3600 and then told me he was continuing his descent. I believe I misheard him and thought he said he was continuing inbound. The 3600 MVA [Minimum Vectoring Altitude] was busted and I had him climb back to 3600. Listen actively.

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.