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DO-257B - Hard Copy

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  • DO-257B - Minimum Operational Performance Standards for the Depiction of Navigational Information on Electronic Maps
  • This document supersedes RTCA DO-257A, Minimum Operational Performance Standards (MOPS) for the Depiction of Navigational Information on Electronic Maps, published on June 25, 2003. This MOPS update supports new requirements for electronic display outputs in DO-236C/ED-75D and DO-283B; reflects the most current human factors standards and guidelines for electronic displays; and embraces display system technology updates. DO-236C/ED-75D contains the MASPS for Required Navigation Performance (RNP) equipment, while DO-283B defines the RNP equipment MOPS; and SC-227 completed the recent updates to both these standards to better support worldwide implementation RNP operations. DO-257B supports the RNP MASPS and MOPS by directly incorporating and reflecting the display output requirements of both documents. The updates to DO-257A also ensure installed RNP equipment meets the requirements for today’s RNP operations via presentation of essential navigation information on the electronic displays the flight crew uses. This includes new, updated specifications for a plan view map (i.e. the aircraft’s “navigation display”). Likewise, the new electronic display MOPS reflects updates in human factors guidelines for cockpit displays, revisions to the standards for an airport moving map display and robust standards for presentation of a vertical situation display a flight crew can use inflight.
  • DO-257B
  • Hard Copy
  • SC-227
  • 3/22/2018