<< >> NASA ASRS Report 1470107, July 2017

GA pilot reported executing a go-around on their own to avoid a possible wake turbulence encounter with a gulfstream on approach to gri.

Attributes
ACN	1470107
Time
Date	201707
Local Time Of Day	1201-1800
Place
Locale Reference	GRI.Airport
State Reference	NE
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Route In Use	Visual Approach
Flight Plan	None
Aircraft 2
Make Model Name	Gulfstream Jet Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Commercial
Experience	Flight Crew Last 90 Days 15 Flight Crew Total 4370 Flight Crew Type 490
Events
Anomaly	ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy
Miss Distance	Horizontal 5000 Vertical 200

Narrative:

While landing and shortly before reporting a 2 mile right base as instructed by the tower; a gulfstream passed to my left also on a right base for the same runway. The gulfstream's position and speed was going to put both of our aircraft near the end of the runway at approximately the same time with an unsafe separation and expose my smaller aircraft to unsafe wake turbulence. I turned away from this developing risk without instructions from the tower. I reentered a right downwind as instructed by the tower and landed safely.

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Original NASA ASRS Text

Title: GA pilot reported executing a go-around on their own to avoid a possible wake turbulence encounter with a Gulfstream on approach to GRI.

Narrative: While landing and shortly before reporting a 2 mile right base as instructed by the tower; a Gulfstream passed to my left also on a right base for the same runway. The Gulfstream's position and speed was going to put both of our aircraft near the end of the runway at approximately the same time with an unsafe separation and expose my smaller aircraft to unsafe wake turbulence. I turned away from this developing risk without instructions from the tower. I reentered a right downwind as instructed by the tower and landed safely.

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.