Japanese F-35 missing

Discussion in 'Flight Following' started by Kenny Phillips, Apr 9, 2019.

  1. Kenny Phillips

    Kenny Phillips Pattern Altitude

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  2. TCABM

    TCABM Cleared for Takeoff

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    Probably too soon but oh, the irony

    “The advanced single-seat jet ... disappeared from radar, the Air Self Defense Force said.”

    Here’s to a successful search and rescue.
     
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  3. Kenny Phillips

    Kenny Phillips Pattern Altitude

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    Interestingly, Japan has grounded their F-35 fleet until they figure out what went wrong.
     
  4. SkyDog58

    SkyDog58 Touchdown! Greaser! PoA Supporter

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    And it ain't even a Boeing.

    But it still probably has systems and computer code the pilots know nothing about or don't understand.
     
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  5. kyleb

    kyleb En-Route PoA Supporter

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    A very common response unless the type is fielded in large numbers.
     
  6. Kenny Phillips

    Kenny Phillips Pattern Altitude

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    That plane won't fly with direct pilot commands; there's code between every input and the flight surfaces.
     
  7. jsstevens

    jsstevens En-Route PoA Supporter

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    And it’s very far from the first military jet that is like that.
     
  8. frfly172

    frfly172 Touchdown! Greaser! PoA Supporter

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    Doesn’t sound good ,hope for the best.
     
  9. Unit74

    Unit74 Final Approach

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    "The advanced single-seat jet was flying about 135 km (84 miles) east of the air base in Aomori Prefecture at about 7:27 p.m. (1027 GMT) on Tuesday, when it disappeared from radar, the Air Self Defense Force said."


    Uhh.... Isn't that what is friggin designed to do? :sosp:
     
  10. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    Would be a bit difficult in peacetime if ATC can’t provide radar service. ;)

    Seriously though, hoping for a safe recovery of the pilot.
     
  11. JOhnH

    JOhnH Touchdown! Greaser! PoA Supporter

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    Isn't that what the F35 is supposed to do? Disappear from radar?
     
  12. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    Not ATC radar. That wouldn’t be a good thing.
     
  13. TCABM

    TCABM Cleared for Takeoff

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    I’m curious if they track off IFF only. If your RCS is <1m squared, it starts to get lost in the noise pretty quickly.

    But maybe solid state RADARS handle that better.
     
  14. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    My understanding for ATC purposes they use radar Reflectors (Luneburg Lens) to increase RCS and get a primary target. I’ve seen a good primary on a flight of two F-117s before. But yeah, if somehow they couldn’t get primary, SSR would work fine. Increased sep with secondary only though.
     
    Last edited: Apr 9, 2019
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  15. Unit74

    Unit74 Final Approach

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    Yea, but are they ADSB Equipped? Better be......:cool:
     
  16. topgun260

    topgun260 Pre-takeoff checklist

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    The pilot probably defected to Russia. From where the aircraft disappeared it's about 537 nautical miles to Vodvizhenka Air Base in Russia.
     
  17. topgun260

    topgun260 Pre-takeoff checklist

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  18. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    Not sure if they ever got a waiver for ADS-B or not. I remember it being a security issue but not sure if it’s been fixed.
     
  19. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    Off topic but speaking of a low RCS, just reading about the F-105 the other night. Had such a low RCS, it had a radar reflector on the nose gear so GCA could pick them up. Amazing that they had problems getting radar on an aircraft that size...especially on a PAR.
     
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  20. TCABM

    TCABM Cleared for Takeoff

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    If you think about it, the nose aspect doesn’t really present a lot of reflective area.

    Very few, if any, hard angles.
     
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  21. Datadriver

    Datadriver Line Up and Wait

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    Not when radar reflectors are installed, which is typical in peacetime for all stealth aircraft.
     
  22. deyoung

    deyoung Pre-takeoff checklist

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    For the F-35, I believe the cross section is a couple of inches or so. Barring intentional reflectors, of course.
     
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  23. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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  24. lancie00

    lancie00 Line Up and Wait

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    I actually saw a documentary on skunk works last night and they said that when they pulled all of the antennas in and went dark, the F117 had the radar cross section of a bb. There's a lot of bugs bigger than that.
     
  25. Bill Jennings

    Bill Jennings Touchdown! Greaser! PoA Supporter

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  26. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    They’ve dismissed anything mechanical and suspect spatial d.
     
  27. k9medic

    k9medic Pre-takeoff checklist

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    Hmmmm. Lots of O2 issues with that airframe in the past years.

    I believe there was even a stand down of an entire squadron because of hypoxia issues.


    Sent from my iPhone using Tapatalk
     
  28. JOhnH

    JOhnH Touchdown! Greaser! PoA Supporter

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    I know there were O2 issues with the F(A)18. I wasn't aware of O2 issues with the F35.
     
  29. Craig

    Craig Line Up and Wait

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    JASDF report lists spatial disorientation as the cause of the mishap. From his last transmission to water impact was only 35 seconds. His flight was given a turn and descend request from ATC for separation from a US military bird at 37,000' getting close to their operating area around 31,000'. The pilot was already in a slight turn and high descent rate and made the turn and increased his descent rate. Impact was at over 600 kts and 1000+ FPM descent rate. Partial remains of the pilot have been found.
     
  30. Velocity173

    Velocity173 Touchdown! Greaser! PoA Supporter

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    F-35 has had OBOGS issues as well. Several pilots have had to go to the backup LOX for emergencies.
     
  31. overdrive148

    overdrive148 En-Route

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    Sounds like a pretty flat impact angle, 600kt = 60000+ ft/min vs 1000 ft/min descent.