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Near midair collision 4 mi north of centennial airport, co, between an arriving C210 and a helicopter.
| Attributes | |
| ACN | 406042 |
| Time | |
| Date | 199806 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : apa |
| State Reference | CO |
| Altitude | agl bound lower : 1000 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : apa |
| Operator | general aviation : personal |
| Make Model Name | Cessna 210 Centurion / Turbo Centurion 210C, 210D |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : approach descent other |
| Route In Use | approach : straight in arrival other |
| Flight Plan | None |
| Aircraft 2 | |
| Make Model Name | Helicopter |
| Operating Under FAR Part | Part 91 |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : private pilot : commercial |
| Experience | flight time last 90 days : 30 flight time total : 5000 flight time type : 350 |
| ASRS Report | 406042 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | conflict : nmac non adherence : far |
| Independent Detector | other controllera other other : unspecified |
| Resolutory Action | none taken : unable |
| Consequence | other |
| Miss Distance | vertical : 150 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was under a specific airport entry procedure from the tower with evident radar tracking as I had been asked to identify. I was cleared to the cherry creek reservoir thence to a straight in approach to runway 17L. At about this same time, the tower called an aircraft over the reservoir at 6700 ft. I was very near the same indicated altitude. I and my right seat observer frantically looked for the other aircraft to no avail. The tower then informed me that it was a helicopter. The helicopter pilot then asked tower if the aircraft was a C210. Tower affirmed and helicopter pilot said 'that was close.' the straight in landing was completed without incident. Since I never saw the other aircraft I cannot say that this was or was not a near miss but I felt it worthy to be reported anyway.
Original NASA ASRS Text
Title: NMAC 4 MI N OF CENTENNIAL ARPT, CO, BTWN AN ARRIVING C210 AND A HELI.
Narrative: I WAS UNDER A SPECIFIC ARPT ENTRY PROC FROM THE TWR WITH EVIDENT RADAR TRACKING AS I HAD BEEN ASKED TO IDENT. I WAS CLRED TO THE CHERRY CREEK RESERVOIR THENCE TO A STRAIGHT IN APCH TO RWY 17L. AT ABOUT THIS SAME TIME, THE TWR CALLED AN ACFT OVER THE RESERVOIR AT 6700 FT. I WAS VERY NEAR THE SAME INDICATED ALT. I AND MY R SEAT OBSERVER FRANTICALLY LOOKED FOR THE OTHER ACFT TO NO AVAIL. THE TWR THEN INFORMED ME THAT IT WAS A HELI. THE HELI PLT THEN ASKED TWR IF THE ACFT WAS A C210. TWR AFFIRMED AND HELI PLT SAID 'THAT WAS CLOSE.' THE STRAIGHT IN LNDG WAS COMPLETED WITHOUT INCIDENT. SINCE I NEVER SAW THE OTHER ACFT I CANNOT SAY THAT THIS WAS OR WAS NOT A NEAR MISS BUT I FELT IT WORTHY TO BE RPTED ANYWAY.
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.