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2 aircraft a beech 95 and a sikorsky 58 helicopter had the magnetic compass swung and adjusted on an unapproved compass rose.
| Attributes | |
| ACN | 455470 |
| Time | |
| Date | 199911 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air taxi |
| Make Model Name | Travelair 95 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 455470 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other other : 2 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : testing |
| Supplementary | |
| Problem Areas | Company Maintenance Human Performance Airport Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
On nov/xa/99 we did 2 compass swings on aircraft beech 95-C55 and S58 helicopter on a non approved compass rose. The first one done on the rose, and a master compass check. The other one done on the same rose. 2-3 days later, we redid both aircraft again using a master compass per AC43.13 13 paragraph 12.37 and installed new compass card in both aircraft.
Original NASA ASRS Text
Title: 2 ACFT A BEECH 95 AND A SIKORSKY 58 HELI HAD THE MAGNETIC COMPASS SWUNG AND ADJUSTED ON AN UNAPPROVED COMPASS ROSE.
Narrative: ON NOV/XA/99 WE DID 2 COMPASS SWINGS ON ACFT BEECH 95-C55 AND S58 HELI ON A NON APPROVED COMPASS ROSE. THE FIRST ONE DONE ON THE ROSE, AND A MASTER COMPASS CHK. THE OTHER ONE DONE ON THE SAME ROSE. 2-3 DAYS LATER, WE REDID BOTH ACFT AGAIN USING A MASTER COMPASS PER AC43.13 13 PARAGRAPH 12.37 AND INSTALLED NEW COMPASS CARD IN BOTH ACFT.
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.