Airports Surveying - GIS program

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• Accuracy Requirements
  • What are the accuracy requirements for ASOS (Automated Surface Observing System), AWOS (Aviation Weather Observing System), and SAWS (Stand Alone Weather System)? And where should I enter these features?
  • Can the accuracy of data submitted exceed the requirements specified in AC150/5300-18b?
• Airfield Surfaces
  • How do I associate a Stopway with a specific Runway End?
  • Where should I store Runway Visibility Zones in a data set that complies with AC 150/5300-18B?
  • How do I record taxilanes for submission to the FAA Airport Surveying-GIS Program?
• Data Migration Tool (DMT)
  • Why is the Data Migration Tool no longer supported?
• Establishing PACS and SACS
  • Does the MODGEE application need to be run when establishing PACS and SACS?
  • What level of monument stability is required for a PACS?
• FAA Airports-GIS Overview
  • What is the overall objective of AC150/5300-18B?
  • What does an eALP differ from an ALP?
• Field Survey
  • If I plan to use existing geodetic controls (PACS and SACS), must I upload the same data required as if establishing a new survey control?
  • Should survey data reference the National Spatial Reference System?
  • Should I collect data to reflect “as-built” conditions?
• Layer and Feature Class Definitions
  • What CADD layer names should I use when submitting CADD data?
  • Can layer names from related standards be used?
  • Are the color, line weights and line types referenced in AC 150/5300-18b mandatory?
• Measuring Heights and Distances
  • How do I measure the length of a Stopway?
  • What values should I enter for the takeOffDistanceAvailable (TODA) and accelerateStopDistanceAvail (ASDA) attributes of the Runway End feature class?
  • Why does the system require ellipsoid elevations for runway profile elevations?
  • What value should I use to populate ellipsoidHeight for the Airport Reference Point (ARP)?
  • How should I populate the attribute fromDTHLDDist of the Obstacle and Obstruction Area feature classes if there is no displaced threshold?
• Metadata Requirements
  • Does metadata need to comply with the Federal Geographic Data Committee (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM), Version 2 (FGDC-STD-001-1998).
• Navigational Aides and Airport Control Points
  • How should I populate the faaFacilityId attribute in the NavaidEquipment feature when some cases require more than four characters?
  • Centerline Perpendicular Points are required for which navigational aids? And how should I enter them?
  • Where are the horizontal and vertical survey points located for a Glide Slope - End Fire?
  • How should I populate the distances to the nearest runway for an Airport Beacon that is not associated with any specific runway?
• Obstruction Identification and Airspace Analysis
  • How should Obstruction Identification Surfaces be associated with a specific Runway and Runway End?
  • How and when should I populate the heightAboveTouchdownZone attribute of the Obstacle feature class?
  • How and when should I populate the heightAboveRunway attribute of the Obstacle feature class?
  • When and how should I populate the distanceFromRunwayEnd attribute of the Obstacle feature class?
  • How are Obstruction Identification Surfaces to be drawn?
  • Can I use a previously-determined airport elevation for calculating and populating the heightAboveAirport attribute?
  • What should I enter for the groupCode attribute of the obstacle feature class?
  • Is the figure referenced in Section 2.7.1.4.3 of AC150/5300-18b correct?
  • The oisSurfaceCondition attribute seems inappropriate for Obstruction Identification Surfaces. Should I populate it? And if so, with what value?
  • What information should I fill in for the safetyRegulation attribute of the Obstruction Identification Surface feature class?
  • How should I populate the approachGuidance attribute of the Obstruction Identification Surface (OIS) feature class?
  • Shall I blend Obstruction Identification Surfaces (OIS) based on all runways at an airport? Or shall I depict and analyze them independently?
  • What values should I use to populate the penValSpecified and penValSupplemental attributes of the Obstacle and Obstruction Area feature classes?
  • How and when should I populate the fromRwyCenterlineDist of the Obstacle feature class?
  • Do I need to record all obstacles within the VGPS, or can they be limited as stated in Section 2.7.1.6?
• Populating Attributes
  • What units should I use to measure height and distance measurements?
  • What do I enter if an airport identifier is not available in the pull-down lists on the FAA Airports-GIS site?
  • What values should populate the trueBearing and magneticBearing attributes?
• Surface Transportation Features
  • Should I record an Airport People Mover (APM)? And, if so, in which feature classes?
• Tools to Help Develop Compliant Data
  • Are any data samples available so I can learn how to enter compliant data?
• Type of Projects
  • What types of projects fall under the Pavement Design, Construction, Rehabilitation or Roughness category in Table 2-1 of AC 150/5300-18B?

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