Agenda

Witnesses

Why study witnesses?

Witness group

What would a witness see?

A Witness...

A Witness...

A Witness...

736 Witnesses

Group Conclusions

The Streak

NTSB Experience

Streak of Light

Potential Explanations

Research shows...

Memory errors

"Breakup sequence is well understood"

Slide 17

Beach Lane Bridge

Slide 19

Slide 20

Beach Lane Bridge

USAir Flight 217

Slide 23

Slide 24

USAir Flight 217

Helicopter Pilot

Helicopter Co-Pilot

Slide 28

Helicopter Pilot

Missile Visibility Test

Missile Visibility Test

Hypothetical missile attack

Hypothetical missile attack

Summary

Slide 35