What does PTF stand for?

PTF stands for "Parachute Test Flight"

How to abbreviate "Parachute Test Flight"?

"Parachute Test Flight" can be abbreviated as PTF

What is the meaning of PTF abbreviation?

The meaning of PTF abbreviation is "Parachute Test Flight"

What does PTF mean?

PTF as abbreviation means "Parachute Test Flight"