Flight-time equivalent dose

Flight-time equivalent dose (FED) is an informal unit of measurement of ionizing radiation exposure.

The flight-time equivalent dose concept is the creation of Ulf Stahmer, a Canadian professional engineer working in the field of radioactive materials transport.

It has been found useful to provide context between radiological doses received from various every-day activities and medical procedures.

For comparison, a list of activities (including common medical procedures) and their estimated radiological exposures are tabulated below.

Regulatory occupational dose limits for the public and radiation workers are also included.