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Symbols for Cockpit Displays of Traffic Information.
| 题名： | Symbols for Cockpit Displays of Traffic Information. |
| 作者： | M. Zuschlag; D. Chandra; J. Helleberg; S. Estes; |
| 关键词： | display devices,cockpits,air traffic control systems,avionics;pilots, human behavior, reliability, intuitiveness, symbology, cognition, collision avoidance, false alarms, detection; |
| 摘要： | A web-based study assessed pilots ability to learn and remember traffic symbols that may be shown on a Cockpit Display of Traffic Information (CDTI). These displays convey data obtained from Automatic Dependent Surveillance-Broadcast (ADS B) and related Aircraft Surveillance Applications System (ASAS) technologies, as well as other surveillance data sources. Three aspects of using the traffic symbols were evaluated: intuitiveness, ease of learning, and ease of remembering the symbols. Four symbol sets were tested, each with approximately 22 symbols. Each participant saw only one of the four symbol sets. The sets used different visual features of the traffic symbol to represent the Directionality, Data Quality, Air/Ground State, Alert Level, Selection State, and Pairing State of nearby aircraft. A total of 623 pilots with a broad range of experience participated. Results showed that while some conventions are well understood, such as the use of red and yellow for warnings and cautions (respectively), other conventions may be confusing and should be avoided. Results of the study were considered by a Federal Advisory Committee that develops standards for these traffic displays (RTCA Special Committee 186). / Supplementary Notes: Sponsored by Federal Aviation Administration, Washington, DC. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A06 / NTIS In-house Control Codes: dotfaa;12091,1101 |
| 报告类型： | 科技报告 |
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