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The Implications of Handling Qualities in Civil Helicopter Accidents Involving Hover and Low Speed Flight
| 题名： | The Implications of Handling Qualities in Civil Helicopter Accidents Involving Hover and Low Speed Flight |
| 作者： | Dugan, Daniel C.; Delamer, Kevin J. |
| 关键词： | handling；speed；icop；ident；plic；cide；qual；ccid；copt；lightweight |
| 摘要： | Because of increasing accident rates in Army helicopters in hover and low speed flight, a study was made in 1999 of accidents which could be attributed to inadequate stability augmentation. A study of civil helicopter accidents from 1993-2004 was then undertaken to pursue the issue of poor handling qualities in helicopters which, in almost all cases, had no stability augmentation. The vast majority of the mishaps studied occurred during daylight in visual meteorological condition, reducing the impact of degraded visual environments (DVE) on the results. Based on the Cooper-Harper Rating Scale, the handling qualities of many of the helicopters studied could be described as having from and quotvery objectionable and quot to and quotmajor and quot deficiencies. These costly deficiencies have resulted in unnecessary loss of life, injury, and high dollar damage. Low cost and lightweight augmentation systems for helicopters have been developed in the past and are still being investigated. They offer the potential for significant reductions in the accident rate. |
| 报告类型： | 科技报告 |
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