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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Near midair collision claimed by the pilot of a VFR inbound C210 involving a VFR opposite direction BE24. The C210 was on the tower frequency with clearance to descend from 3000 ft to 2100 ft. The BE24 was on approach control's frequency at 3500 ft. Both aircraft were in class B airspace. Operational error less than standard separation.
| Attributes | |
| ACN | 382179 |
| Time | |
| Date | 199709 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : phx |
| State Reference | AZ |
| Altitude | msl bound lower : 3000 msl bound upper : 3500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : phx tower : phx |
| Operator | general aviation : personal |
| Make Model Name | Cessna 210 Centurion / Turbo Centurion 210C, 210D |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | approach : visual arrival other |
| Flight Plan | VFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Sierra 24 |
| Operating Under FAR Part | other : unknown |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar pilot : student |
| Experience | controller non radar : 10 controller radar : 5 flight time total : 12 |
| ASRS Report | 382179 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure non adherence : required legal separation other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | vertical : 350 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Operational Error Pilot Deviation |
Narrative:
Aircraft #1 was inbound to phx airport and initially told to maintain 3000 ft and at about 3 south of the airport told to descend to 2100 ft. Aircraft #2 was an overflt opposite direction at 3500 ft talking to phx approach. Aircraft #1 reported a near miss. I scanned the radar in the cabin attendant -- it showed aircraft #2 at 3400 ft mode C and aircraft #1 showed 'XXX.' I asked aircraft to say altitude and he replied 3100 ft. Aircraft had already passed at this point. When aircraft #1 mode C returned it showed 2900 ft descending.
Original NASA ASRS Text
Title: NMAC CLAIMED BY THE PLT OF A VFR INBOUND C210 INVOLVING A VFR OPPOSITE DIRECTION BE24. THE C210 WAS ON THE TWR FREQ WITH CLRNC TO DSND FROM 3000 FT TO 2100 FT. THE BE24 WAS ON APCH CTL'S FREQ AT 3500 FT. BOTH ACFT WERE IN CLASS B AIRSPACE. OPERROR LTSS.
Narrative: ACFT #1 WAS INBOUND TO PHX ARPT AND INITIALLY TOLD TO MAINTAIN 3000 FT AND AT ABOUT 3 S OF THE ARPT TOLD TO DSND TO 2100 FT. ACFT #2 WAS AN OVERFLT OPPOSITE DIRECTION AT 3500 FT TALKING TO PHX APCH. ACFT #1 RPTED A NEAR MISS. I SCANNED THE RADAR IN THE CAB -- IT SHOWED ACFT #2 AT 3400 FT MODE C AND ACFT #1 SHOWED 'XXX.' I ASKED ACFT TO SAY ALT AND HE REPLIED 3100 FT. ACFT HAD ALREADY PASSED AT THIS POINT. WHEN ACFT #1 MODE C RETURNED IT SHOWED 2900 FT DSNDING.
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.