Situation |
Illusion |
Result |
| Upsloping Runway or Terrain | Greater Height | Lower Approach |
| Narrower-than-Usual Runway | Greater Height | Lower Approach |
| Featureless Terrain | Greater Height | Lower Approach |
| Rain on Windscreen | Greater Height | Lower Approach |
| Haze | Greater Height | Lower Approach |
| Downsloping Runway or Terrain | Less Height | Higher Approach |
| Wider-than-Usual Runway | Less Height | Higher Approach |
| Bright Runway and Approach Lights | Less Distance | Higher Approach |
| Penetration of Fog | Pitching Up | Steeper Approach |