Police Helicopter Loss of Tail Rotor Effectiveness & Collision With Terrain (HD)

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  • Published: 27 March 2019
  • Real World Police is proud to bring you this exclusive, never-before-seen footage. If you only care to see the LTE + impact, watch from 1:38 - 1:50.

    On July 17, 2016, about 1409 Pacific daylight time, a Bell UH-1H police helicopter belonging to King County Sheriff's Office in Washington state, impacted mountainous terrain while maneuvering near a landing zone at an elevation of about 7,800 feet near Mount Adams, Washington.

    Two pilots, four crew members and two passengers were not injured; however, the helicopter sustained substantial damage.

    The helicopter was registered to and operated by the King County Sheriff’s Office and was supporting a search and rescue (SAR) mission at the time of the accident. Visual meteorological conditions prevailed and no flight plan had been filed for the flight that had originated from Yakima Air Terminal/McAllister Field (YKM), Yakima, Washington.

    The pilot reported that after refueling at YKM, he departed to transport two SAR personnel onto Mt. Adams to retrieve a seriously injured climber who had fallen more than 1,000 feet. While en route, a sensor unit on the helicopter indicated 5 knots of wind. As they approached the chosen landing zone from the north, the pilot used too much left pedal and decided to abort the approach. He then attempted a second approach from the south, but the helicopter yawed to the right, which the pilot attributed to a loss of tail rotor effectiveness (LTE). [Note: LTE is not mechanical failure.]

    In an attempt to recover, the pilot reduced the collective and applied forward cyclic. The helicopter continued to spin, rotating approximately 540 degrees and impacting the ground.

    Incredibly, the impact aborted the spin, which would normally be fatal to the aircraft - and likely its occupants, too. The rotors did not impact anything and they continued to operate normally. The pilot flying regained control and the helicopter departed the mountain.

    An Army M-60 Blackhawk was nearby on the same mission and was able to visually confirm the damage and also note that a skid was broken, and the two helicopters flew back to the Yakima airfield together.

    Once at the airfield, the helicopter unloaded its passengers while in a low hover. Since the helicopter could not land on one skid, wood pallets were brought out to the airfield and placed under the aircraft to support it for a 'normal' landing.

    The pilot did not observe any indications of a malfunction with the rotor or the drive system on the helicopter. In his subsequent report, he reported that there were no mechanical malfunctions or anomalies that could have precluded normal operation.

    The NTSB found it likely that, during the landing approach, as the helicopter's airspeed dropped below effective translational lift and the pilot added power to compensate, there was insufficient left pedal to stop the resulting right yaw, and the pilot lost control of the helicopter due to a loss of tail rotor effectiveness.

    The NTSB further determined the probable cause of this accident to be the pilot's failure to maintain yaw control as he slowed the helicopter during a landing approach, which resulted in the loss of helicopter control due to the loss of tail rotor effectiveness.

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Comments • 1 150

  • Nspinicelli
    Nspinicelli  19 hours back

    "Super 6 going down!"
    FANTASTIC flying!!!

    • sam phi
      sam phi  2 days back

      And pigs will fly. Well sort of but not very well.

      • JT
        JT  2 days back

        I like how sheriff now states... "She Riff" 😎

        • JT
          JT  2 days back

          As Sponge Bob would say..."you're good... You're good.... You're good." 😎

          • Marks Alot
            Marks Alot  2 days back

            Ads stuck in there. 🤮🤮🤮

            • Russell Williams
              Russell Williams  3 days back

              Way to stall it. You are so lucky you are flying a Huey or your ass would be painted on the slope.

              • AtomicRobot
                AtomicRobot  4 days back

                Dude you gotta stop with the summary intros. I don't want to watch before I watch, feel me? This isn't stupid network television. If I clicked your video, I mean to watch it, you already got my attention.

                • Pickaxe 87
                  Pickaxe 87  4 days back

                  How about the real heros? The most professional pallet stackers of the North! LOL. Seriously, though... Mad hover skills to keep it that steady the entire time! After the slap on the hand from the NTSB, I hope you guys got an award for getting everyone home safe!

                  • My Struggle
                    My Struggle  4 days back

                    Damn good pilot though. He had to be shitting his pants

                    • Fred Cook
                      Fred Cook  5 days back

                      This is the aircraft that created the chopper love that chop

                      • Fred Cook
                        Fred Cook  5 days back

                        God bless you king county sheriff's office for your service may God look over you everyday of service

                        • Fred Cook
                          Fred Cook  5 days back

                          God bless the Huey hit and still brings em home skilled pilots have my respect

                          • ChrisChew
                            ChrisChew  5 days back

                            22:19

                            • Shelby Steiner
                              Shelby Steiner  5 days back

                              Is it weird that this makes me want to fly helicopters even more?

                              • Juke
                                Juke  7 days back

                                Hell naw. To the naw naw naw helllll to the naw

                                • A Chaps
                                  A Chaps  1 weeks back

                                  OK, real question. How come helicopter pilot seats don’t have head rests, their shoulders and head are well above the top of the seatback

                                  • DakLak Digital
                                    DakLak Digital  1 weeks back

                                    What will the Sheriff use to get home quickly for lunch?

                                    • Alouette III
                                      Alouette III  2 weeks back

                                      Was the pilot suspended???

                                      • mfcmichael
                                        mfcmichael  2 weeks back

                                        This is the best Pilot ever seen

                                        • masmainster
                                          masmainster  2 weeks back

                                          Ok, so they just need to bolt those pallets together and affix them to the chopper, job done, cheap fix.

                                          • Mark Lada
                                            Mark Lada  6 days back

                                            No need for bolts man.. Just slap some duct tape on them and you're good to go..

                                        • Mike Johnsonbaugh
                                          Mike Johnsonbaugh  2 weeks back

                                          1:38 when your buddy tells you to check your GoPro, and the chopper starts to spin

                                          • Bernard  Anderson
                                            Bernard Anderson  2 weeks back

                                            Great job Officers and your Ground crew spotters

                                            • Bernard  Anderson
                                              Bernard Anderson  2 weeks back

                                              Great job Officers and your Ground crew spotters

                                              • Bernard  Anderson
                                                Bernard Anderson  2 weeks back

                                                Beautiful Hovering which is the hardest

                                                • Bernard  Anderson
                                                  Bernard Anderson  2 weeks back

                                                  The UH-1 is a tuff Helio

                                                  • Bernard  Anderson
                                                    Bernard Anderson  2 weeks back

                                                    LTE- when the tail rotor is exposed to wind forces that prevent from carrying out its functions of canceling the Torque of the engine and the transmission: any low airspeed high power environment provides for this to occur. The crew stayed calm and no not no one is injured and no lost of the tail rotor during this incident and the Blackhawk is contacted and flying safely

                                                    • Bernard  Anderson
                                                      Bernard Anderson  2 weeks back

                                                      Every flight is never the same

                                                      • Bernard  Anderson
                                                        Bernard Anderson  2 weeks back

                                                        Great controls to stay ahead of your Helio

                                                        • gav com
                                                          gav com  2 weeks back

                                                          sadly according to documents the pilot was to blame as he failed to maintain rudder control

                                                          • Hentai
                                                            Hentai  3 weeks back

                                                            Dislikes are from people expecting an awesome helicopter spinning like crazy before it fatally crashes into the ground but instead getting a Huey smashed into a rock and not giving a shit, flying away.

                                                            • D4Ofthepack 510
                                                              D4Ofthepack 510  3 weeks back

                                                              Shout out to JBLM and Yakistan💪🏼

                                                              • goPlay
                                                                goPlay  3 weeks back

                                                                Everybody is gangsta until the helicopter hits the mountain.

                                                                • MadTheDJ
                                                                  MadTheDJ  3 weeks back

                                                                  I hope buddy sitting in the open door at the beginning had a safety line attached. If not, he's damn lucky he sat back in his seat before the torque rotor went out, otherwise he'd have been thrown from the helicopter.

                                                                  • Mike Connor
                                                                    Mike Connor  3 weeks back

                                                                    Way too many ads!

                                                                    • adrian van buren
                                                                      adrian van buren  3 weeks back

                                                                      Since not many people are mentioning it, this was the fault of the pilot. It was a highly preventable crash. It's as bad as rear-ending someone with your car at a stoplight. There is no excuse for it. Anyone who flies helicopters can see it. Report at 31:42 explains in detail

                                                                      • abvmoose87
                                                                        abvmoose87  3 weeks back

                                                                        But how was it still flying controlled with loss of tailrotor or was the tailrotor still operational after impact?

                                                                        • Ibn-Nafis
                                                                          Ibn-Nafis  3 weeks back

                                                                          Loss of effectiveness, not tail rotor .they give full left pedal but no effect .

                                                                      • DlME BAG
                                                                        DlME BAG  4 weeks back

                                                                        Id give them pilots my blessing and a big ol hug, they handled that calm an clear an safely! And get a raise on Income :) they deserve it, they completed mission an returned safe after a incident... respect bros! Ace pilots

                                                                        • adrian van buren
                                                                          adrian van buren  3 weeks back

                                                                          They do not deserve a raise. The crash was easily preventable and it was due to their negligence.

                                                                      • Doggo Willinks
                                                                        Doggo Willinks  4 weeks back

                                                                        I liked when the one dude right after the impact gave a Dave Chapelle’s Nigerian guy thumbs up. 1:54

                                                                        • Saustrich The ostiche
                                                                          Saustrich The ostiche  4 weeks back

                                                                          I didn’t want to watch it all can someone give me a time stamp please

                                                                          • Anrae Godley-Cooper
                                                                            Anrae Godley-Cooper  4 weeks back

                                                                            Blessings to all involved

                                                                            • BIG Qgamer
                                                                              BIG Qgamer  1 months back

                                                                              Why does it spins around

                                                                              • Gordon Bell
                                                                                Gordon Bell  1 months back

                                                                                Fu*k cops

                                                                                • OFF ROAD
                                                                                  OFF ROAD  1 months back

                                                                                  The guy filming and the person doing the pallets are brave as shit. The guy doing the pallets has no chance to get out of the way if that helo falls

                                                                                  • OFF ROAD
                                                                                    OFF ROAD  1 months back

                                                                                    To hold a hover that good for that long takes some skill.

                                                                                    • CNY review
                                                                                      CNY review  1 months back

                                                                                      I should have taken the Evelyn Woodhead Speed Reading Course.

                                                                                      • KILLERROBOT99
                                                                                        KILLERROBOT99  1 months back

                                                                                        They were really lucky. I mean it, losing a tail rotor (even just the effectiveness of it) is terrifying but the risk of a crash after having it happen is so much worse.

                                                                                        During my service I was in a helicopter crash after the lose of our tail rotor and it’s not fun and I’m very shaken up on flying in helicopters from the experience.

                                                                                        This isn’t a laughing matter in now way whatsoever. These people are EXTREMELY lucky that their helicopter hit a rock, which both stopped their spin and kept the helicopter from tipping over.

                                                                                        • Hammer Dragon
                                                                                          Hammer Dragon  1 months back

                                                                                          Hats off to the men and women that brought them home safely way to go

                                                                                          • Nicholas .Amour leon
                                                                                            Nicholas .Amour leon  1 months back

                                                                                            One question how did they not shit their pants