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Flight crew of an air carrier turboprop received a lightning strike during arrival descent causing electrical generating system to fall off line which resulted in all EFIS screens going black. In addition, the #2 communication went out and ATC lost reporter's aircraft on radar for one and one half mins.
| Attributes | |
| ACN | 402490 |
| Time | |
| Date | 199805 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | enroute airway : v459 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : private pilot : commercial pilot : atp |
| Experience | flight time total : 10000 flight time type : 3600 |
| ASRS Report | 402490 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical inflight encounter : weather other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Consequence | other Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
A lightning strike to the nose of the aircraft caused both generators to drop off line and all EFIS screens to go black, communication #2 went out and ATC lost us for approximately 1 1/2 mins on radar, we were IMC at the time, we managed to descend to VFR and complete a successful landing at lax. No injuries were occurred by either crew or passenger.
Original NASA ASRS Text
Title: FLC OF AN ACR TURBOPROP RECEIVED A LIGHTNING STRIKE DURING ARR DSCNT CAUSING ELECTRICAL GENERATING SYS TO FALL OFF LINE WHICH RESULTED IN ALL EFIS SCREENS GOING BLACK. IN ADDITION, THE #2 COM WENT OUT AND ATC LOST RPTR'S ACFT ON RADAR FOR ONE AND ONE HALF MINS.
Narrative: A LIGHTNING STRIKE TO THE NOSE OF THE ACFT CAUSED BOTH GENERATORS TO DROP OFF LINE AND ALL EFIS SCREENS TO GO BLACK, COM #2 WENT OUT AND ATC LOST US FOR APPROX 1 1/2 MINS ON RADAR, WE WERE IMC AT THE TIME, WE MANAGED TO DSND TO VFR AND COMPLETE A SUCCESSFUL LNDG AT LAX. NO INJURIES WERE OCCURRED BY EITHER CREW OR PAX.
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.