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GA pilot lost all aircraft electrical power radio communications at the missed approach point during a practice ILS instrument approach in a small sel aircraft.
| Attributes | |
| ACN | 205081 |
| Time | |
| Date | 199203 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : cys |
| State Reference | WY |
| Altitude | msl bound lower : 6318 msl bound upper : 8500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : cys |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | landing : missed approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 15 flight time total : 410 flight time type : 390 |
| ASRS Report | 205081 |
| Person 2 | |
| Affiliation | Other |
| Function | instruction : instructor |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 130 flight time total : 15500 flight time type : 3000 |
| ASRS Report | 205080 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During an ILS practice approach noticed the ammeter near 0 and considered possibility of a faulty gauge. When initiating missed approach and during reception of missed approach instruction, experienced total electrical failure. Knowing that other aircraft were cleared to land on both runways 30 and 26, we elected to climb to 8500 ft and departed the air traffic area to the south to fly in an uncongested area to troubleshoot the electrical system. We were able to reset the over voltage relay and restore power to electrical system. We contacted cys approach and reported position and cancelled IFR.
Original NASA ASRS Text
Title: GA PLT LOST ALL ACFT ELECTRICAL PWR RADIO COMS AT THE MISSED APCH POINT DURING A PRACTICE ILS INST APCH IN A SMALL SEL ACFT.
Narrative: DURING AN ILS PRACTICE APCH NOTICED THE AMMETER NEAR 0 AND CONSIDERED POSSIBILITY OF A FAULTY GAUGE. WHEN INITIATING MISSED APCH AND DURING RECEPTION OF MISSED APCH INSTRUCTION, EXPERIENCED TOTAL ELECTRICAL FAILURE. KNOWING THAT OTHER ACFT WERE CLRED TO LAND ON BOTH RWYS 30 AND 26, WE ELECTED TO CLB TO 8500 FT AND DEPARTED THE ATA TO THE S TO FLY IN AN UNCONGESTED AREA TO TROUBLESHOOT THE ELECTRICAL SYS. WE WERE ABLE TO RESET THE OVER VOLTAGE RELAY AND RESTORE PWR TO ELECTRICAL SYS. WE CONTACTED CYS APCH AND RPTED POS AND CANCELLED IFR.
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.