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Lost standard separation when 2ND aircraft overtook 1ST aircraft, which had slowed while both were being vectored for an ILS approach.
| Attributes | |
| ACN | 462418 |
| Time | |
| Date | 200002 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : grr.airport |
| State Reference | MI |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | tracon : grr.tracon |
| Operator | general aviation : instructional |
| Make Model Name | Cessna 310/T310C |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : grr.tracon |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level |
| Route In Use | arrival : on vectors |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach instruction : instructor oversight : supervisor |
| Qualification | controller : radar |
| Experience | controller non radar : 4 controller radar : 20 controller supervisory : 7 |
| ASRS Report | 462418 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach instruction : trainee |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure |
| Independent Detector | other controllera other controllerb |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | faa : investigated |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
2 aircraft being vectored for ILS approachs. Second aircraft overtook first aircraft who had slowed. Simple loss of separation.
Original NASA ASRS Text
Title: LOST STANDARD SEPARATION WHEN 2ND ACFT OVERTOOK 1ST ACFT, WHICH HAD SLOWED WHILE BOTH WERE BEING VECTORED FOR AN ILS APCH.
Narrative: 2 ACFT BEING VECTORED FOR ILS APCHS. SECOND ACFT OVERTOOK FIRST ACFT WHO HAD SLOWED. SIMPLE LOSS OF SEPARATION.
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.