DesertJets From United States of America, joined Feb 2000, 7673 posts, RR: 18 Reply 1, posted (12 years 7 months 4 days 2 hours ago) and read 1998 times:
I believe it might have been the CV-990... getting close to Mach .90. I also read that the L-1011 could get close to Mach .90 too, but it would be sucking a lot of gas in the process. In terms of regular ops the 747 can still cruise at mach .86.
Stop drop and roll will not save you in hell. --- seen on a church marque in rural Virginia
RIX From United States of America, joined Aug 2000, 1785 posts, RR: 1 Reply 3, posted (12 years 7 months 4 days 2 hours ago) and read 1958 times:
I did hear B727 to be the fastest subsonic airliner but not about it went supersonic. First passenger aircraft thet went supersonic was DC8-43 (during test flight, of course), it landed safely with no damage, and the crew felt nothing when increasing speed but there was some effect when decreasing.
N312RC From United States of America, joined Aug 2000, 2678 posts, RR: 18 Reply 4, posted (12 years 7 months 4 days 2 hours ago) and read 1943 times:
A couple planes have went supersonic, for example I think there was a 747SP that slipped out of trim and went into a spiral dive from FL 350. Recovered at FL 120, wings bent upwards a couple feet perminately.
Aio86 From United States of America, joined Sep 2000, 928 posts, RR: 0 Reply 6, posted (12 years 7 months 4 days 1 hour ago) and read 1928 times:
I doan't know for sure but I do have one experience. I once went on a United flight on 757-200 from LAX-ORD. We got the
re in under 1 hour 30 min. THe pilot said we were going 840 (more or less) because we had close to 200 mph tailwinds. I don't know if that is considered going close to supersonic or not. But I know that I'd hate to be going the other dirrection with that headwind.
-Aaron
Ahlfors From Canada, joined Oct 2000, 1318 posts, RR: 5 Reply 7, posted (12 years 7 months 4 days ago) and read 1903 times:
I don't know how accurate those airshow things are, but I have been in both a Lufthansa A340 and a Finnair MD-11 that showed the speed to be 690 MPH. I believe thats quite not supersonic at 30000 feet, but it sure is close.
Greeneyes53787 From United States of America, joined Aug 2000, 844 posts, RR: 0 Reply 8, posted (12 years 7 months 3 days 23 hours ago) and read 1869 times:
The Convair 990A could cruise for short hops of about a thousand miles at .96 mach. However, they'd wiggle their tail a bit. They were certified for .91.
But today I hear on this forum that the 777 is fast.
USAFHummer From United States of America, joined May 2000, 10685 posts, RR: 54 Reply 11, posted (12 years 7 months 3 days 20 hours ago) and read 1847 times:
Ok here is your supersonic info-
Aio86- assuming an altitude of FL300, 840 mph is about Mach 1.23
Ahlfors-It is supersonic-about Mach 1.01-just barely over it.
G.R.
Chief A.net college football stadium self-pic guru
Dash8 From New Zealand, joined Aug 2005, 1 posts, RR: 0 Reply 13, posted (12 years 7 months 3 days 19 hours ago) and read 1829 times:
Bar none it's the CV-990.
What you see on those screens are groundspeed.
If I had a 800 MPH tailwind I wouldn't be going supersonic in my 172 because the wind is pushing me and my sound and everything.
Mach is based on True Airspeed. So you can't use groundspeed.
After the CV-990 it's a tossup between the 747 and the L1011. I once went to the cockpit of a KLM 743 and saw 0.88 on the Mach with no glitch.
After that it's anyone's guess.......
AirCanadaSFO From , joined Dec 1969, posts, RR: Reply 17, posted (12 years 7 months 3 days 15 hours ago) and read 1795 times:
The 777 can go as fast as .92 in level flight. Boeing test pilots took it up to .98 in a shallow dive during the testing period back in 1995. Long range cruise for the 777 is M0.84. I understand that on short hops between ATL and MCO, Delta pilots routinely take their 777s as high as .90. I hear the same about DEN-ORD and SFO-DEN 777 runs on United.
Galaxy5 From United States of America, joined Mar 2000, 2034 posts, RR: 27 Reply 19, posted (12 years 7 months 3 days 10 hours ago) and read 1770 times:
ive heard its a toss up between the 727 and the l-1011.
does the CV990 even fly anymore and if they do who operates them?
"damn, I didnt know prince could Ball like that" - Charlie Murphy
RIX From United States of America, joined Aug 2000, 1785 posts, RR: 1 Reply 20, posted (12 years 7 months 3 days 8 hours ago) and read 1766 times:
IndianGuy, Tu154 (M or whatever else) was never "near supersonic". I flew on it 60 or so times and it was never faster than 960 km/h. I said it in the previous topic too, and if you are not agree, please, provide your source of information.
Tu144 was to be faster than Concorde by design (M2.24 vs M2.02) but I've never heard it achieved this speed in a real flight. Did anybody hear?
RIX From United States of America, joined Aug 2000, 1785 posts, RR: 1 Reply 24, posted (12 years 7 months 3 days 3 hours ago) and read 1711 times:
FamousNeptune, especially for you once again : no, THEY say it is not, and it is not!
25 FamousNeptune: oooh too bad for you coz it is, look at your sources again
26 RIX: ??? Erik, I'll be really thankful to you (no sarcasm) if you tell me what your source is (and so prove me you are right) but, OK, what is the source?
27 Airman99o: Ok Fastest supersonic airliner is : Tu-144 @ max crusing speed it was 2500 km/h or 1550 m/h which in turn translates to mach number of 2.35. Fastest s
28 RIX: The specs for Tu154 are 950 km/h! Again, did anybody hear about Tu144 REALLY reached its design max speed?
29 TWA717_200: I finally found some specs on the 154M. Max cruise is 514kts or 590 m/h.
30 Flapsdown: commercial airliners fly mostly in the range of 575mph-600mph. they simply are not designed to go any faster. indeed they can, but the plane would exp
31 Delta15: Ive flown at over 700MPH on an L1011 from Sfo-Atl.
32 F.pier: In August, 1996 I flown from Memphis to Amsterdam and I remember that the speed shown on the onboard monitor was 1019 km/h. I don't remember it in mil
33 F.pier: In the last message I forgot to tell you that I was flying on a KLM's MD11.
34 RIX: ...and I'm pretty sure it was a ground speed, not a true airspeed. I had the same on May flying on UA777 from IAD to LHR. The reason is that both were
35 Fanofjets: The only subsonic airliner to reach supersonic speeds was a DC-8-40 (RR Conway-powered overwater variant) on a test flight before delivery to Canadian
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: no, it is not.
: no, THEY say it is not, and it is not!
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