AN Rating Classifies any anomalous behaviour. AN1 Anomalies with no lasting physical effects. Light phenomenas and similar. AN2 Anomalies with lasting effects. Like crop circles, pieces of material or poltergeist. AN3 Anomalies with associated occupants or entities. Like aliens, spirits, ghosts, yetis and similar legendary entities. AN4 Witness interaction with entities like the ones in AN3. Near-death- and, Out-of-body-experiences and religious miracles. AN5 Anomalous reports of injuries or deaths. Like unexplained wounds/healing of wounds or spontaneous human combustion. MA Rating Describes the behaviour of a UFO. MA1 A visual sighting of a UFO wich travels in a discontinuous trajectory. Loops, quick turns and vertical raise/drops. MA2 A visual sighting of a UFO wich left physical evidence. Like burn marks or material fragments. MA3 A visual sighting of a UFO plus observed occupants or entities on board or in direct assocation with the UFO. MA4 Manoeuvres accompanied by a sense of reality transformation for the observer. MA5 A manoeuvre that causes permanent injury or death of the witness. FB Rating Fly-by rating. FB1 A fly-by of a UFO travelling in a straight line across the sky. FB2 A fly-by of a UFO travelling in a straight line leaving some kind of physical evidence. FB3 A fly-by of a UFO travelling in a straight line across the sky were entities are observed on board. FB4 A fly-by were the witness experienced a transformation of reality into the object or its occupants. FB5 A fly-by that causes permanent injury or death of the witness. CE Rating Rating of Close Encounters. CE1 A visual sighting of a UFO within 500 feet. CE2 A visual sighting of a UFO within 500 feet that leaves somekind of evidence like landing marks or injuries to the witness. CE3 Avisual sighting of a UFO with entities aboard. CE4 Abduction of a witness. CE5 Abducted witness that suffers from permanent psychological injuries or even death. SVP Rating A three numbered rating of credibility. The first digit is the source credibility, the second for site visit and the third for possible explanations. Source Reliability Rating 0 Unknown or unreliable source. 1 Report attributed to a known source of unknown or uncalibrated reliability. 2 Reliable source, secondhand. 3 Reliable source, first hand. 4 Firsthand personal interview with the witness by a source of proven credibility. Site Visit Rating 0 No site visit, or answer unknown. 1 Site visit by a casual person not familiar with the phenomena. 2 Site visited by persons familiar with the phenomena. 3 Site visit by reliable investigator with some experience. 4 Site vist by a skilled analyst. Possible Explanations Rating 0 Data constsistent with one or more natural causes. 1 Natural explanation requires only slight modification of the data. 2 Natural explanation requires major alteration of several parameters. 3 Natural explanation requires major alteration of several parameters. 4 No natural explanation possible, given the evidence.