We went SUPERSONIC! This is what you see in the cockpit

Ciao ragazzi! Pierre Ciacchi here at the Kennedy Space Center. We're about to go in flight. Here's Jordan. How's it going? Not bad man. Couldn't ask for a better day to go fly. I know right? Yeah, we have a government entity and we'll be doing some supersonic. Yeah. Awesome. General, this weather is what we used to call in the Air Force General's Day. Like on Friday, if the weather was like this, all the generals appeared at the squadron to fly the Not at all. Nice shades by the way. I love him. Yeah, we're gonna have to get you another pair. I know, I always lose him. Hold on. This is all I can do today. Okay. I'm looking nerdy. He's the pro here. All right. We're about to go in flight. Thank you Jordan. Government entity as we said, it's a test pilot sent by a foreign government. When test pilots come here for other entities or government entities, it's usually from air forces or military forces or civilian entities. What the test pilot can do here is fly specific profiles in restricted areas that they can exercise and train multiple times. That is coherent with activities, their own governments or their own military agencies. So I'll take the opportunity to show you what happens when you actually go supersonic. So when you actually go supersonic, you see some indications in the cockpit that you actually, it's a confirmation that you actually transition to the supersonic phase of flight. And that's mainly on the pneumatic instruments. You're going to, we're going to see a jump on their indication. That basically means that we go through the sound barrier or through Mach 1 and the shock waves transition through the airplane. It makes that jump on the pneumatic instruments. Other than that, there's not really much you see, or you hear anyways, beside the cockpit. There's not much going on when you actually transition supersonic. Airplanes have a, have a peak of drag, like the transonic speed. So the Mach meter or the anemometer will get stuck a little bit at 0.99. And then a second later, you're going to see jumping at like 103, 105. That's the moment when you see the altimeter and the VVI spike for a second. That's the actual moment that you transition to supersonic. As far as the rest, you don't hear anything, obviously the aircraft flies very smoothly. So there's no other indication really that you're transitioning to the supersonic phase. Anyways, we'll see you in a second from the cockpit and we'll be able to see that real time. So as soon as you level off a little bit, the excessive thrust is not allowed to go basically supersonic. And when you see the jump on the altimeter, that means that we were supersonic. So it's about to happen, 0.99 gets stuck there for a second. And there it is, that's the jump. That's the jump on the altimeter and the jump on the VVI. VVI is pegged at 6,000, although we're not climbing now. And you can see that the Mach anemometer, Mach number is 1.05 now accelerating. We're basically not climbing, but the VVI is still coming down from the peak. And here we go. So we're about 1.25 right now. Still accelerating, 34,000 feet, slight climb. We'd like to stay within around 35,000 feet, which is the best altitude for acceleration. CO2 is 20 degrees Celsius. So here we go, almost Mach 1.4. And this is very interesting, 100% of course. We have 30 degrees compression in air inlet temperature. Outside temperature now 60 degrees, minus 60 degrees. So that's a jump of 90 degrees. And that's all worked now by the air intakes compressing the air already and jumping 90 degrees. There we go. We're almost Mach 1.4, 1.38 now, still accelerating slightly. The aircraft does its best above 1.6. We won't have the airspace today to do that. 1.4, 1.5, that's what I make today. And we have now around 830 knots ground. This is very interesting here, now the CIT is now almost at 50. That's 110 degrees difference from the outside temperature. Yeah, a little, 10 degrees more to the right, we're almost at 1.4 Mach now. So here now we're going to start the deceleration. You see the throttle is retarded and that's the nozzle closes because the engine is out of afterburner. CIT is pretty damn high now, still around 40 degrees and you see we are passing already Mach 1.3. So the deceleration is quite quick because there's a lot of drag on the nozzle at this point. Thank you chief, worked out. All right, good flight. Thank you, yes, absolutely.