A system for displaying airport information on a portable electronic device (PED 10) carried onboard an aircraft, the PED comprising a display device, the system comprising: a source 114 of Aviation Information Publication data; a database 124 comprising airport static information and relatedness rules; and a processor configured to process data received from the source of AIP data, the database, a source of aircraft status data, a source of aircraft location data, a source of weather data, and a source of tactical data, to generate an image on the display device, the image concurrently rendering, (a) a first section, comprising airport information items including an airport image showing a runways layout, alphanumeric runway information, and services at the airport, and aircraft status data including fuel remaining, (b) a second section rendering a plurality of suitability items comprising weather data at the airport, weather data en-route and tactical data, and (c) a third section rendering airport options, identify a change in the data received, responsive to the identified change in data, reference a source of connected topics to determine one or more topics connected to the change in data, referred to as connected topics, analyze the one or more connected topics to identify related items, wherein related items are defined as (a) all airport information items (504, 506, 508) affected by the identified change in data (b) all suitability items (554, 556, 558) affected by the identified change in data, and (c) all aircraft status data affected by the identified change in data, and responsive to determining related items, update the image such that the identified related items are visually distinguished on the image from the unrelated items. a source 114 of Aviation Information Publication data; a database 124 comprising airport static information and relatedness rules; and a processor configured to process data received from the source of AIP data, the database, a source of aircraft status data, a source of aircraft location data, a source of weather data, and a source of tactical data, to generate an image on the display device, the image concurrently rendering, (a) a first section, comprising airport information items including an airport image showing a runways layout, alphanumeric runway information, and services at the airport, and aircraft status data including fuel remaining, (b) a second section rendering a plurality of suitability items comprising weather data at the airport, weather data en-route and tactical data, and (c) a third section rendering airport options, identify a change in the data received, responsive to the identified change in data, reference a source of connected topics to determine one or more topics connected to the change in data, referred to as connected topics, analyze the one or more connected topics to identify related items, wherein related items are defined as (a) all airport information items (504, 506, 508) affected by the identified change in data (b) all suitability items (554, 556, 558) affected by the identified change in data, and (c) all aircraft status data affected by the identified change in data, and responsive to determining related items, update the image such that the identified related items are visually distinguished on the image from the unrelated items. generate an image on the display device, the image concurrently rendering, (a) a first section, comprising airport information items including an airport image showing a runways layout, alphanumeric runway information, and services at the airport, and aircraft status data including fuel remaining, (b) a second section rendering a plurality of suitability items comprising weather data at the airport, weather data en-route and tactical data, and (c) a third section rendering airport options, identify a change in the data received, responsive to the identified change in data, reference a source of connected topics to determine one or more topics connected to the change in data, referred to as connected topics, analyze the one or more connected topics to identify related items, wherein related items are defined as (a) all airport information items (504, 506, 508) affected by the identified change in data (b) all suitability items (554, 556, 558) affected by the identified change in data, and (c) all aircraft status data affected by the identified change in data, and responsive to determining related items, update the image such that the identified related items are visually distinguished on the image from the unrelated items.