Boi TRACON controller working bozeman handoff reported that an aircraft clipped a higher MVA during ...

Narrative:

I was working hand off bzn (hob) assisting the bozeman apb controller. Very busy session with many arrivals. One of the busiest weekends. I was busy organizing arrival and departure strips and coordinating releases with bzn tower for departures in between arrivals. Apb controller cleared aircraft X for the visual approach left base runway 30 with another aircraft 6 miles in trail for the straight in. Everything happened very quickly. Aircraft X requested a right 270 to lose altitude but that would've conflicted with the straight in traffic. The controller cancelled approach clearance and turned aircraft X heading 180 to maintain 9000 ft. Aircraft X clipped an 11000 ft MVA. Hand off bozeman is a position that we work maybe twice a year. This is my first time in over a year working hob. One thing that might have helped out with this situation is to call the center and start a flow program into bzn when we know that traffic will be very busy. Sun valley; idaho; and aspen; colorado had flow and cfrs (call for release) on this very same day. Having 10 aircraft all inbound to bzn while running instrument approaches to runway 30 is not fun. The approaches to runway 30 are horribly designed and there is not a straight in approach. All of them are curved rnp or GPS approaches that are very hard to sequence. Need to slow down the traffic to work runway 30 effectively.

Original NASA ASRS Text

Title: BOI TRACON Controller working Bozeman Handoff reported that an aircraft clipped a higher MVA during a very busy traffic session.

Narrative: I was working Hand Off BZN (HOB) assisting the Bozeman APB controller. Very busy session with many arrivals. One of the busiest weekends. I was busy organizing arrival and departure strips and coordinating releases with BZN tower for departures in between arrivals. APB controller cleared Aircraft X for the visual approach left base Runway 30 with another aircraft 6 miles in trail for the straight in. Everything happened very quickly. Aircraft X requested a right 270 to lose altitude but that would've conflicted with the straight in traffic. The controller cancelled approach clearance and turned Aircraft X heading 180 to maintain 9000 ft. Aircraft X clipped an 11000 ft MVA. Hand Off Bozeman is a position that we work maybe twice a year. This is my first time in over a year working HOB. One thing that might have helped out with this situation is to call the center and start a flow program into BZN when we know that traffic will be very busy. Sun Valley; Idaho; and Aspen; Colorado had flow and CFRs (Call For Release) on this very same day. Having 10 aircraft all inbound to BZN while running instrument approaches to Runway 30 is not fun. The approaches to Runway 30 are horribly designed and there is not a straight in approach. All of them are curved RNP or GPS approaches that are very hard to sequence. Need to slow down the traffic to work Runway 30 effectively.

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.

Attributes
ACN	1519160
Time
Date	201802
Local Time Of Day	0601-1200
Place
Locale Reference	BOI.TRACON
State Reference	ID
Environment
Light	Daylight
Aircraft 1
Make Model Name	EMB ERJ 170/175 ER/LR
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Route In Use	Visual Approach
Flight Plan	IFR
Person 1
Function	Handoff / Assist Approach
Qualification	Air Traffic Control Fully Certified
Experience	Air Traffic Control Time Certified In Pos 1 (yrs) 5
Events
Anomaly	ATC Issue All Types Airspace Violation All Types Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT

Boi TRACON controller working bozeman handoff reported that an aircraft clipped a higher MVA during a very busy traffic session.