neilt org

Information, tools, and resources for aviation, computing, and other topics that interest me.

Aviation

• at76 memory items: a learning and recall resource for at76 checklist memory items.
• winds: calculates headwind and crosswind from a wind; also outputs at76 specific Vapp increases over Vref.
• inches to hpa: calculates hpa from inches of mercury.
• hpa to inches: calculates inches of mercury from hpa.
• pressure altitude: calculates pressure altitude from elevation and hpa using an rule of thumb of 27 ft per millibar.
• density altitude: calculates a rough density altitude from elevation, temperature, dew point, and hpa and optionally using an rule of thumb to take humidity into account.