Aircraft and engines
Open aircraft and engine properties for performance calculations.
Input foundations
Trajectory observations
Flight data can be analyzed for phases, fuel, and emissions.
Navigation context
Airport, waypoint, distance, bearing, and route geometry helpers.
Atmospheric state
Altitude, speed, vertical rate, and temperature drive model outputs.
Research scenarios
Inputs for simulations, fleet studies, inventories, and optimization.
Open model data
Aircraft, engine, drag polar, kinematic, and navigation datasets.
Dynamic models
Thrust, drag, fuel flow, and aircraft performance envelopes.
Kinematic models
Speed, altitude, vertical-rate profiles, phase behavior, and WRAP.
Emission models
CO2, H2O, SOx, soot, and NOx estimates from fuel and engine data.
OpenAP
Open aircraft performance model and Python toolkit for air transportation research and simulation.
performance
emissions
trajectories
Functional outputs
Performance quantities
Thrust, drag, speed, altitude, vertical rate, and limits.
Fuel and emissions
Fuel flow, fuel burn, and pollutant emission estimates.
Trajectory generation
Synthetic trajectories from aircraft and kinematic parameters.
Phase identification
Detect climb, cruise, descent, level, and other flight segments.
Simulation and optimization support
Reusable performance building blocks for ATM studies, emissions inventories, traffic simulation, and OpenTOP trajectory optimization.