dr. s
Is the bird a military aircraft?
dr. s
Was the bird a space shuttle?
Was the bird a rocket?
Did the bird contain any human beings inside? Anything alive at all?
Was the bird an airplane?
Was the bird a helicopter?
dr. s
Does darkness mean “absence of light”?
Is “the darkness” the name of something?
Is “the darkness” the name of the airplane?
dr. s
By twinkle do you mean light that flickers from bright to faint?
Did the plane go on to reach its intended destination?
Was it a specific part of the aeroplane that was twinkling?
Is this part found on most planes?
If no, is it unusual (or unexpected) to find this part on an aeroplane?
dr. s
Was the “bird” the Spruce Goose?
dr. s
Is the twinkle from a nuclear explosion?
Little boy?
dr. s
Is the “twinkle” reflected sunlight?
The light source (whether being reflected or not), is it:
Sunlight?
Starlight?
Lightning?
Fire/explosion?
Bioluminescence?
Light generated from a man-made object designed to produce light? (eg a lamp, LED, torch, headlight, etc)
dr. s
Was the thing that twinkled attached to the plane at take-off?
If yes, did it remain attached to the plane until it landed?
dr. s
Sorry, I missed this. It is not quite redundant with the other answers, so it deserves a separate response.
Is this a factual event, or from fiction?
Is the twinkling object observed from the plane?
Is the twinkling object an artifact?
Is the twinkling object sitting on the ground?
Are the reflective surfaces of the twinkling object
-Water?
-Snow/ice?
-Metal?
-Glass?
-Rock?