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A GLF4 first officer reported that the windshield anti-ice failed, causing the outer layer to shatter, while in mmzt airspace.
| Attributes | |
| ACN | 569419 |
| Time | |
| Date | 200212 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| State Reference | FO |
| Altitude | msl single value : 41000 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | artcc : mmzt.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Gulfstream IV |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 40 flight time total : 16001 flight time type : 300 |
| ASRS Report | 569419 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical inflight encounter : weather other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | other other other |
| Supplementary | |
| Problem Areas | Aircraft Company Flight Crew Human Performance Weather |
| Primary Problem | Company |
Narrative:
Flying as first officer in an aircraft in which I was recently typed 'captain,' was very high time in make and model company man.' windshield anti-ice outer layer arced, sparked, and outer layer developed fine crack. Shortly thereafter, entire outer layer of glass (not the structural inner layer) cracked all over. No poh airspeed/operations restr, so flight was continued. Not a MEL item, but aircraft flown back to base. Pressure from captain/company.
Original NASA ASRS Text
Title: A GLF4 FO RPTED THAT THE WINDSHIELD ANTI-ICE FAILED, CAUSING THE OUTER LAYER TO SHATTER, WHILE IN MMZT AIRSPACE.
Narrative: FLYING AS FO IN AN ACFT IN WHICH I WAS RECENTLY TYPED 'CAPT,' WAS VERY HIGH TIME IN MAKE AND MODEL COMPANY MAN.' WINDSHIELD ANTI-ICE OUTER LAYER ARCED, SPARKED, AND OUTER LAYER DEVELOPED FINE CRACK. SHORTLY THEREAFTER, ENTIRE OUTER LAYER OF GLASS (NOT THE STRUCTURAL INNER LAYER) CRACKED ALL OVER. NO POH AIRSPD/OPS RESTR, SO FLT WAS CONTINUED. NOT A MEL ITEM, BUT ACFT FLOWN BACK TO BASE. PRESSURE FROM CAPT/COMPANY.
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.