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Near midair collision reported by an air taxi pilot during climb above class C airspace. ATC had issued a TA of VFR traffic and altitude.
| Attributes | |
| ACN | 331844 |
| Time | |
| Date | 199603 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dsm |
| State Reference | IA |
| Altitude | msl bound lower : 5400 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : dsm |
| Operator | common carrier : air taxi |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Flight Phase | climbout : intermediate altitude |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller radar : 18 |
| ASRS Report | 331844 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | faa : reviewed incident with flight crew faa : investigated |
| Miss Distance | horizontal : 100 vertical : 100 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Air taxi departed dsm, climb out to 10000 ft MSL. Traffic issued on unidented VFR 5400 ft indicated altitude, air txi reported near miss (100 ft).
Original NASA ASRS Text
Title: NMAC RPTED BY AN AIR TAXI PLT DURING CLB ABOVE CLASS C AIRSPACE. ATC HAD ISSUED A TA OF VFR TFC AND ALT.
Narrative: AIR TAXI DEPARTED DSM, CLBOUT TO 10000 FT MSL. TFC ISSUED ON UNIDENTED VFR 5400 FT INDICATED ALT, AIR TXI RPTED NEAR MISS (100 FT).
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.