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An LR60 on an ILS xx final was advised of a small aircraft departing runway yy VFR with the lr in sight at a controlled airport. The small aircraft passed the lr level and 300 ft abeam.
| Attributes | |
| ACN | 788538 |
| Time | |
| Date | 200805 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : zzz.tower |
| State Reference | US |
| Altitude | agl single value : 400 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air carrier general aviation : personal |
| Make Model Name | Learjet 60 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | ils localizer & glide slope : 15 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : zzz.tracon |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft Low Wing 1 Eng Fixed Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude climbout : takeoff |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 6500 |
| ASRS Report | 788538 |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure other anomaly other |
| Independent Detector | other controllera other flight crewa other flight crewb |
| Resolutory Action | none taken : insufficient time |
| Miss Distance | horizontal : 300 vertical : 0 |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
We were conducting an ILS runway xx into ZZZ when tower advised us single engine piper would departed runway yy. At this time we were 1/2 mi outside the OM. In-flight visibility was 4 mi in light rain. We told controller to keep us advised. We heard the piper say he had us in sight and the controller relayed this to us and the piper was cleared on course. At approximately 500-400 ft we received TCAS warnings and were just adding power to go around when the copilot saw the aircraft. The piper passed 300 ft to our right at the same altitude traveling the opposite direction. We continued to a safe landing. This could have been avoided by making the piper turn 90 degrees from his departure heading (crosswind). Also I find most single engine aircraft pilots don't understand how fast a jet is and how to maintain separation with a fast moving aircraft; especially going head-on.
Original NASA ASRS Text
Title: AN LR60 ON AN ILS XX FINAL WAS ADVISED OF A SMA DEPARTING RWY YY VFR WITH THE LR IN SIGHT AT A CONTROLLED ARPT. THE SMA PASSED THE LR LEVEL AND 300 FT ABEAM.
Narrative: WE WERE CONDUCTING AN ILS RWY XX INTO ZZZ WHEN TWR ADVISED US SINGLE ENG PIPER WOULD DEPARTED RWY YY. AT THIS TIME WE WERE 1/2 MI OUTSIDE THE OM. INFLT VISIBILITY WAS 4 MI IN LIGHT RAIN. WE TOLD CTLR TO KEEP US ADVISED. WE HEARD THE PIPER SAY HE HAD US IN SIGHT AND THE CTLR RELAYED THIS TO US AND THE PIPER WAS CLRED ON COURSE. AT APPROX 500-400 FT WE RECEIVED TCAS WARNINGS AND WERE JUST ADDING PWR TO GO AROUND WHEN THE COPLT SAW THE ACFT. THE PIPER PASSED 300 FT TO OUR R AT THE SAME ALT TRAVELING THE OPPOSITE DIRECTION. WE CONTINUED TO A SAFE LNDG. THIS COULD HAVE BEEN AVOIDED BY MAKING THE PIPER TURN 90 DEGS FROM HIS DEP HDG (XWIND). ALSO I FIND MOST SINGLE ENG ACFT PLTS DON'T UNDERSTAND HOW FAST A JET IS AND HOW TO MAINTAIN SEPARATION WITH A FAST MOVING ACFT; ESPECIALLY GOING HEAD-ON.
Data retrieved from NASA's ASRS site as of May 2009 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.