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A glider and his tow aircraft flies 10 ft over a landing C172 on a crossing runway. Horizontal miss was 300 ft for the tow aircraft, 500 ft for the glider.
| Attributes | |
| ACN | 397315 |
| Time | |
| Date | 199803 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : e14 |
| State Reference | AZ |
| Altitude | agl bound lower : 10 agl bound upper : 10 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Sail Plane |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : takeoff |
| Flight Plan | None |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : takeoff |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : flight engineer pilot : instrument pilot : commercial pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 5 flight time total : 28000 flight time type : 2000 |
| ASRS Report | 397315 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were towing a glider off of an inactive cross runway. We had done it off the same runway in the past, but some new hangars have been built screening the end of one of the runways. We were watching the traffic and using all the proper unicom calls, but we missed a (no radio) C172. I don't know if he even saw us. The tow plane went about 300 ft behind him. I was on the end of a 200 ft rope. In the future we will do all the glider operations the other way so we can never cross paths with another aircraft. We will continue to use unicom as an aid but never depend on other pilots using it.
Original NASA ASRS Text
Title: A GLIDER AND HIS TOW ACFT FLIES 10 FT OVER A LNDG C172 ON A XING RWY. HORIZ MISS WAS 300 FT FOR THE TOW ACFT, 500 FT FOR THE GLIDER.
Narrative: WE WERE TOWING A GLIDER OFF OF AN INACTIVE CROSS RWY. WE HAD DONE IT OFF THE SAME RWY IN THE PAST, BUT SOME NEW HANGARS HAVE BEEN BUILT SCREENING THE END OF ONE OF THE RWYS. WE WERE WATCHING THE TFC AND USING ALL THE PROPER UNICOM CALLS, BUT WE MISSED A (NO RADIO) C172. I DON'T KNOW IF HE EVEN SAW US. THE TOW PLANE WENT ABOUT 300 FT BEHIND HIM. I WAS ON THE END OF A 200 FT ROPE. IN THE FUTURE WE WILL DO ALL THE GLIDER OPS THE OTHER WAY SO WE CAN NEVER CROSS PATHS WITH ANOTHER ACFT. WE WILL CONTINUE TO USE UNICOM AS AN AID BUT NEVER DEPEND ON OTHER PLTS USING IT.
Data retrieved from NASA's ASRS site as of July 2007 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.