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Departure controller issued unknown VFR traffic to IFR small transport in climb off myf. Small transport advised traffic in sight and then later reported an near midair collision.
| Attributes | |
| ACN | 254681 |
| Time | |
| Date | 199310 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : mzb airport : myf |
| State Reference | CA |
| Altitude | msl bound lower : 3500 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : san tracon : tlh |
| Operator | common carrier : air taxi |
| Make Model Name | Small Transport, Low Wing, 2 Recip Eng |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| ASRS Report | 254681 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac non adherence : far |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | other |
| Consequence | Other |
| Miss Distance | horizontal : 450 vertical : 450 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Small transport X departed myf runway 28, was given radar contact and cleared to 4000 ft. Approximately 4 mi west of myf traffic was called, 'small transport X, traffic 1 O'clock, 1 mi, sbound, indicates 3500 ft, say altitude.' small transport X replied, 'in sight.' small transport X was then cleared direct ocn, resume own navigation. Small transport X was then asked to 'squawk altitude, no mode C received.' when mode C came on, altitude was verified and frequency change was given to next sector. The pilot later called to file near midair with the VFR traffic that was issued to him.
Original NASA ASRS Text
Title: DEP CTLR ISSUED UNKNOWN VFR TFC TO IFR SMT IN CLB OFF MYF. SMT ADVISED TFC IN SIGHT AND THEN LATER RPTED AN NMAC.
Narrative: SMT X DEPARTED MYF RWY 28, WAS GIVEN RADAR CONTACT AND CLRED TO 4000 FT. APPROX 4 MI W OF MYF TFC WAS CALLED, 'SMT X, TFC 1 O'CLOCK, 1 MI, SBOUND, INDICATES 3500 FT, SAY ALT.' SMT X REPLIED, 'IN SIGHT.' SMT X WAS THEN CLRED DIRECT OCN, RESUME OWN NAV. SMT X WAS THEN ASKED TO 'SQUAWK ALT, NO MODE C RECEIVED.' WHEN MODE C CAME ON, ALT WAS VERIFIED AND FREQ CHANGE WAS GIVEN TO NEXT SECTOR. THE PLT LATER CALLED TO FILE NEAR MIDAIR WITH THE VFR TFC THAT WAS ISSUED TO HIM.
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.