Shape: |
Appearance: |
Effects: |
||
Bell |
Fireball |
Antenna |
Angels' Hair |
Landing Mark |
Flight: |
Reconnaissance: |
Trace: |
Tracking: |
|
Formation |
Aeronautics |
| |related category| = | in order of shape + attribute (alphabetical order) |
| Red Flag = | fake or suspect testimony |
| Conflicting = | conflicting information from different sources |
| Controversial = | controversial interpretation |