Just for Sunday grins, what's the list of jets with a normal cruise of mach 0.7 or better?

I'm sure it is short list of swept wing jets.

What's the smallest/cheapest thing that goes that fast?

It ain’t a real jet if it can’t do 0.7M or better.

It would be a real long list. Even the faster straight wing Citations can crack .70, I think.

Lear 60s are pretty cheap - 0.81 from FL270 - 370; 0.76 above FL430. Straight line MACH decrease between 370 - 430
Nobody routinely flies the 60 above FL430.

EDIT: Mmo limit is 0.81 - Been awhile.

Citations:

M2: .71
CJ2: .72
CJ2+, 3, 3+: .737
Excel we average .74

At 430 or 450 the 2 and 2+ do mmo on astonishingly low fuel burn.

-Citation Jet Exchange

A320

We see Mach .77 - .78 regularly in our Phenom 300E, but it ain't cheap.

Then the Citation V is a real jet. Certainly feels like one to me since I routinely cruise M 0.70 or better.

Yesterday, 0.71M, 408 KTAS, FL410, ISA. I wasn't at MCT, but 2% off max N1 just to be a little more efficient.

I have cruised as fast as 424 KTAS, 0.74M. Mmo is 0.755M, 433 KTAS at FL410.

It gets progressively more complex to go faster than about 0.75M. Swept wings, complex aerodynamics, etc. You lose the simplicity and runway performance of the straight wing.

Since I can use shorter runways, my door to door performance can be better than a 0.84M jet that has to find a longer runway further from the destination.

Most of the airliners I hear on frequency are routinely doing 0.76M to 0.78M, so I am not a lot slower than they are. They can go faster, above 0.80M if they want to, but they use more fuel.

Mike C.

BeechJet mmo .78; routinely cruise at .76 to .77.

Quick sidebar:

I was descending into ATL a few months ago:
ATC: "Delta 69, what's your mach?"
Me: ".83" (which is normal cruise for the 330-900)
ATC: "MAN! That's awesome - I gotta get me one of them..... aaaaaaaaaanyway - slow to .78"
Me:

Back to discussing jets I can't afford.

The baby bus (320) is decidedly pokey. .80, maybe.

The Lear 31a I fly is .81 limited.
We always fly FL430 and do .77-.78.
About 450 true is about all it will do.

Sometimes back to 425 true which is 7something

The door to door time difference approaches zilch.
On a 600nm leg the difference in minutes between the slowest Citation and something doing .80 is mere minutes.

Mike’s V sounds like a real sweet spot jet.

T

Hmm, I must be missing something. I looked at the Citation M2 spec page and it says, "Maximum Limit Speed 0.71 Mach (0.71 Mach)"

I took that to be a limitation, rather than a normal cruise speed.

Since this is a Beechcraft site, how about the Premier 1A?

Better than the Guppy, and at least we're travelling in comfort while we're poking along.