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Thread: What'll be good value of Landing (FPM)????

  1. #1

    Default What'll be good value of Landing (FPM)????

    Hello, Guys!

    I'm using Landing Rate Monitor.

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    Different people have different opinion. But what's the exact?

    I mean value below -300 is enough for landing?

    I know value like -95, -45 or -10 are ideal.

    But on which value Aircraft's damage done? Means start damaging?

    On which value Passenger's discomfort level starts? Like heavy Jolts etc..

    I hope experts will give their opinion here.

    Regards,

  2. #2

    Default

    Depends on the aircraft, the condition of the runway etc.

    Landing on an aircraft carrier, -500 fpm is probably a good landing

    For airliners, -100 to -200 is good. -400 would be a hard landing

    For a wet runway you probably want to plant the aircraft down more firmly.

    For a small trainer aircraft you're probably trying for something between -50 and -100

    Greaser landings are fine to show off, but it usually means a long landing and you're annoying ATC because they want you off the runway.

    Regarding damage, in your aircraft.cfg [contact_points] section there is an Impact Damage Threshold value (in FPM) for wheels and scrape points.
    Last edited by bdf369; 09-19-2015 at 11:47 AM.

  3. #3

    Default

    What kind of airplane?

  4. #4
    Join Date
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    Klammath Falls, OR
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    4,149

    Default

    Landing on an aircraft carrier, -500 fpm is probably a good landing
    Not to quibble, but for an F-14 or F/A-18C/D I am pretty sure it's -700 FPM.
    I can probably find the NATOPS reference if you want me to. I've been flying F/A-18C a lot lately
    Normally, if the plane's gross weight is under the landing maximums for it, then for a normal, field landing, like for a commercial liner, -300 to -500 FPM is correct. As long as you are following the glideslope properly, you will hit at the right descent rate.
    You should see some of the landings Navy/Marine pilots moonlighting in the Civilian airlines make. They PLANT that bird
    Whatever the gear can take, is their usual answer...

    Just a note
    Pat☺
    Last edited by PhantomTweak; 09-19-2015 at 03:15 PM.

    Had a thought...then there was the smell of something burning, and sparks, and then a big fire, and then the lights went out! I guess I better not do that again!
    Sgt, USMC, 10 years proud service, Inactive reserve now

  5. #5

    Default

    Thanks to all who have replied. I usually, use two Aircrafts only. (1)- B737-800 (2)-B747-400.

  6. #6
    Join Date
    Mar 2005
    Location
    Canada.
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    Default

    -700fpm. Don't forget to flare at the runaway threshold or it will hurt (your pride ).

    Cheers,

  7. #7

    Default

    Yep, about 700 fpm is the usual rate for the typical ILS approach.
    With the 737, the usual rate around touchdown will be around 100 fpm, maybe a
    bit less if a greasy landing. But will still be closer to 100 than 0..
    With the 737NG landing too soft is frowned on, not only for float issues, but
    the spoiler deploy uses gear sensors, and sometimes a super greasy landing can
    cause them not to activate. Or so they say.. I've never had that happen with the
    NGX, but I don't know if the sim version supports that malfunction. maybe not..

    I never watch the decent rate when landing. I'm looking off down at the end
    of the runway when I gauge my flare, which with the NG is pretty late.. Around
    20-30 ft usually when I start cranking it back a bit. At touchdown I'm looking at the
    far end of the runway which I use as a guide to how much I need to flare.. It will
    vary some depending on steep or shallow approach..
    Kind of hard to explain, but that's how I do it.. I never look at the descent rate on the
    PFD, or the HUD. Don't really need to. I do watch my speed pretty close though.

  8. #8
    Join Date
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    England
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    Speaking of "firm" landings, here's an excerpt from the book "Beyond the Blue Horizon" by Alexander Frater when he was flying as a passenger in an Airbus in the 1980's and was invited to sit in the cockpit for the night landing at Cairo under the control of the co-pilot..

    Last edited by ScatterbrainKid; 09-20-2015 at 11:17 PM.

  9. #9
    Join Date
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    Whatever that copilot claimed, I think he was Navy!
    There is a rumor, unconfirmed, naturally, that the Navy/MC pilots, from their first flight, have it beaten into their heads that if they flare on landing, they will be courtmartialed...and severely beaten with a mackerel, then keel-hauled.
    NO idea if it's true, but it's sure sounds neat!
    I DO recall, very clearly, that my flight instructor in gliders, back in '74, one Goldie by name, could easily reach the back of my head from his rear seat with his yard-stick. I am really glad I was so young, so I healed pretty quick...
    I actually got pretty good with landing gliders. I could float those things down the runway to where I didn't have to push it very far, if at all, often just turn it around in it's parking space for the next flight. I was pretty proud of that ONE little trick...
    Pat☺

    Had a thought...then there was the smell of something burning, and sparks, and then a big fire, and then the lights went out! I guess I better not do that again!
    Sgt, USMC, 10 years proud service, Inactive reserve now

  10. #10

    Default

    I don't flare much at all when carrier landing with the FA/18. Just fly it right onto
    the deck. Sometimes I almost land the 737 that way if it's wet, short runway, etc..


    I hardly ever see real greasers in the 737's.. Talking real world, and also watching
    real world videos on utoob. None of them seem to really grease it. And most all the
    real world landings I've been on them were quite firm.. I remember one at Love field
    where he planted it pretty firm in a 300. It was a wet runway, with light drizzle..

    I remember flying on the 727 in the 60's, and they would land real smooth back then.
    I remember a Braniff flight to KIAH when it was brand new, and you could not feel
    the touchdown at all. Totally smooth and fluid transition from flying to rolling with
    no sensation of a bump at all. Ain't never seen a 737 land like that. I've been on
    old SWA 200's that landed fairly smooth, but not anything like that pilot landed that
    Braniff 727. We also landed at KOKC, and he was silky smooth there too.

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