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Near midair collision between an EMS helicopter on a vector for a practice ILS approach and an unknown aircraft.
| Attributes | |
| ACN | 327995 |
| Time | |
| Date | 199602 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | msl bound lower : 2700 msl bound upper : 2700 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : zzz |
| Operator | common carrier : air taxi |
| Make Model Name | SA 365 Dauphin 2 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Route In Use | arrival : on vectors enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | instruction : instructor |
| Qualification | other other : other pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 50 flight time total : 4700 flight time type : 1100 |
| ASRS Report | 327995 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | instruction : trainee |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : less severe conflict : nmac other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : took evasive action other |
| Consequence | Other |
| Miss Distance | vertical : 500 |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
On an IFR training flight, we were being vectored from a missed approach to an ILS. The PF was on VHF #2 with XXX approach, and I was on VHF #1 with ZZZ radio obtaining additional WX information. Due to a previously undiscovered avionics 'glitch,' we bled over to each other's respective radio when transmitting, ultimately resulting in several missed traffic alerts from ATC. They finally reached us, alerted us to the conflicting aircraft and we turned away as soon as possible.
Original NASA ASRS Text
Title: NMAC BTWN AN EMS HELI ON A VECTOR FOR A PRACTICE ILS APCH AND AN UNKNOWN ACFT.
Narrative: ON AN IFR TRAINING FLT, WE WERE BEING VECTORED FROM A MISSED APCH TO AN ILS. THE PF WAS ON VHF #2 WITH XXX APCH, AND I WAS ON VHF #1 WITH ZZZ RADIO OBTAINING ADDITIONAL WX INFO. DUE TO A PREVIOUSLY UNDISCOVERED AVIONICS 'GLITCH,' WE BLED OVER TO EACH OTHER'S RESPECTIVE RADIO WHEN XMITTING, ULTIMATELY RESULTING IN SEVERAL MISSED TFC ALERTS FROM ATC. THEY FINALLY REACHED US, ALERTED US TO THE CONFLICTING ACFT AND WE TURNED AWAY ASAP.
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.