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Flight instructor reported another aircraft entered the traffic pattern in a direction opposite that previously announced; resulting in a near-mid-air-collision.
| Attributes | |
| ACN | 1480905 |
| Time | |
| Date | 201709 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | DA40 Diamond Star |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Route In Use | None |
| Flight Plan | None |
| Aircraft 2 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Approach |
| Person 1 | |
| Function | Instructor Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 56 Flight Crew Total 318 Flight Crew Type 105 |
| Events | |
| Anomaly | Conflict NMAC Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
| Miss Distance | Horizontal 0 Vertical 70 |
Narrative:
While established on a right downwind for runway 23; a cessna reported over CTAF that they would be performing a 45 degree entry to the right downwind for runway 23. Our aircraft then observed the cessna traffic flying directly toward us in an opposite pattern and the same altitude. Our aircraft took immediate action and dove down away from the oncoming aircraft; which then passed directly over us. Our aircraft had been making position reports for upwind; right crosswind; and right downwind runway 23 before this conflict occurred. While turning base; our aircraft observed the cessna making a right 180 degree turn to enter onto the appropriate downwind. The cessna traffic was making position reports stating right downwind runway 23 while they were flying the opposing downwind. I believe the other pilot may have been confused on how to perform a proper traffic pattern entry; and as a result was making incorrect position reports.
Original NASA ASRS Text
Title: Flight instructor reported another aircraft entered the traffic pattern in a direction opposite that previously announced; resulting in a near-mid-air-collision.
Narrative: While established on a right downwind for runway 23; a Cessna reported over CTAF that they would be performing a 45 degree entry to the right downwind for runway 23. Our aircraft then observed the Cessna traffic flying directly toward us in an opposite pattern and the same altitude. Our aircraft took immediate action and dove down away from the oncoming aircraft; which then passed directly over us. Our aircraft had been making position reports for upwind; right crosswind; and right downwind runway 23 before this conflict occurred. While turning base; our aircraft observed the Cessna making a right 180 degree turn to enter onto the appropriate downwind. The Cessna traffic was making position reports stating right downwind runway 23 while they were flying the opposing downwind. I believe the other pilot may have been confused on how to perform a proper traffic pattern entry; and as a result was making incorrect position reports.
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.