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| Attributes | |
| ACN | 1324032 | 
| Time | |
| Date | 201601 | 
| Local Time Of Day | 1201-1800 | 
| Place | |
| Locale Reference | GIF.Airport | 
| State Reference | FL | 
| Environment | |
| Flight Conditions | VMC | 
| Light | Daylight | 
| Aircraft 1 | |
| Make Model Name | Small Aircraft | 
| Operating Under FAR Part | Part 91 | 
| Flight Phase | Landing Initial Climb  | 
| Route In Use | None | 
| Flight Plan | None | 
| Aircraft 2 | |
| Flight Phase | Landing Final Approach  | 
| Person 1 | |
| Function | Single Pilot | 
| Qualification | Flight Crew Instrument | 
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 1460 Flight Crew Type 850  | 
| Events | |
| Anomaly | Conflict NMAC Deviation - Procedural Published Material / Policy  | 
| Miss Distance | Horizontal 500 Vertical 500  | 
Narrative:
While doing closed circuit touch-and-go's at kgif winter haven; fl I was sharing the pattern with a [another aircraft] (aircraft Y). We were communicating on the CTAF and alternating without conflict or difficulty. As I took off from runway 29 I saw what appeared to be [the other aircraft (aircraft Z)] at my 12:00 and less than 500 feet ahead and above. I [was aware] that aircraft X that I was communicating with was turning base to final; so could not understand how he had gotten ahead and directly above me. I called that I had the aircraft in sight directly ahead and above. Aircraft then made a tight right turn away from the left-hand pattern for runway 29. Aircraft Y that I was communicating with called short final; so there were now two aircraft at kgif; one not communicating and interfering with the flow of traffic. I turned left and called crosswind; then downwind while communicating with aircraft X who was taking off and turned crosswind behind me when I was abeam the numbers. I called base and final for a simulated engine-out touch-and-go. When turning base to final aircraft Z turned directly in front of me; approximately 300 feet below; from a non-standard right-hand pattern. I called a go-around and overflew the aircraft; which was no longer seen when I turned crosswind. I continued to be in communication with aircraft X; who landed after that circuit. Aircraft Z was flying without radio communication and flying a non-standard pattern in the face of active pattern work by two other aircraft.
Original NASA ASRS Text
Title: A general aviation pilot reported a near-mid-air-collision with an aircraft at a non-towered airport that was not using a radio and was flying a non-standard pattern.
Narrative: While doing closed circuit touch-and-go's at KGIF Winter Haven; FL I was sharing the pattern with a [another aircraft] (Aircraft Y). We were communicating on the CTAF and alternating without conflict or difficulty. As I took off from Runway 29 I saw what appeared to be [the other aircraft (Aircraft Z)] at my 12:00 and less than 500 feet ahead and above. I [was aware] that aircraft X that I was communicating with was turning base to final; so could not understand how he had gotten ahead and directly above me. I called that I had the aircraft in sight directly ahead and above. Aircraft then made a tight right turn away from the left-hand pattern for Runway 29. Aircraft Y that I was communicating with called short final; so there were now two aircraft at KGIF; one not communicating and interfering with the flow of traffic. I turned left and called crosswind; then downwind while communicating with Aircraft X who was taking off and turned crosswind behind me when I was abeam the numbers. I called base and final for a simulated engine-out touch-and-go. When turning base to final Aircraft Z turned directly in front of me; approximately 300 feet below; from a non-standard right-hand pattern. I called a go-around and overflew the aircraft; which was no longer seen when I turned crosswind. I continued to be in communication with Aircraft X; who landed after that circuit. Aircraft Z was flying without radio communication and flying a non-standard pattern in the face of active pattern work by two other aircraft.
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.