All V-22 Osprey Tilt-Rotor Aircraft Grounded Following Fatal Crash In Japan

V-22 grounded

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V-22 grounded
File photograph of a CV-22 Osprey flying at Yokota AB, Japan, in 2021 (U.S. Air Power photograph by Yasuo Osakabe)

The worldwide standdown was ordered after preliminary investigation data signifies a possible materiel failure triggered the CV-22 crash in Japan that killed 8 crew members.

The V-22s operated by the U.S. Air Power, Navy and Marine Corps have been grounded following the crash that concerned a USAF CV-22B  off the coast of Yakushima Island, Japan, on Nov. 29, 2023. The standdown of the U.S. navy fleets, which follows the one already ordered by the JGSDF (Japan Floor Self Protection Power), that had already grounded its MV-22Bs within the aftermath of the incident, is a consequence of the preliminary investigation within the crash of the CV-22B which value the lifetime of 8 airmen.

“Lt. Gen. Tony Bauernfeind, AFSOC Commander, directed an operational standdown of the Air Power CV-22 fleet December 6, 2023 to mitigate danger whereas the investigation continues on the November 29, 2023 CV-22 mishap close to Yakushima, Japan,” says the official assertion by the Air Power Particular Operations Command. “Preliminary investigation data signifies a possible materiel failure triggered the mishap, however the underlying reason for the failure is unknown presently. The standdown will present time and area for a radical investigation to find out causal components and suggestions to make sure the Air Power CV-22 fleet returns to flight operations.”

Following the AFSOC determination, “out of an abundance of warning”, additionally NAVAIR issued a grounding bulletin that includes each the CMV-22B and the MV-22B fleets.

Earlier than the protection standdown was introduced, on Dec. 5, the AFSOC recognized the airmen aboard the CV-22B callsign GUNDAM 22 on the time of the mishap.

The V-22 Osprey have an extended story of groundings following mishaps. The newest one is the third security standdown since a U.S. Air Power CV-22B carried out an emergency landing in a natural reserve in Norway and remained stranded there for six weeks in 2022.

A tough clutch engagement was found as the root cause of the mishap in Norway and the Air Power initially grounded its Ospreys to make sure airmen’s security. Nonetheless a mechanical resolution was not obtainable when the grounding was lifted two and a half weeks later, so the service, as a short lived measure till a everlasting resolution was recognized, modified the rules for aircrew to keep away from conditions prone to trigger arduous clutch engagement and added the state of affairs to simulator coaching syllabus: the aircrews had been instructed to land instantly after experiencing a tough clutch engagement. After the most recent such incidents occurred during the last weekend of January 2023, an undisclosed number of V-22s were grounded again in an effort to repair the arduous clutch engagement situation.

Points with the arduous clutch apart, the Osprey tilt-rotor plane have suffered a number of incidents because the plane entered service with the U.S. navy.

The one earlier than the crash in Japan occurred in Australia the place an MV-22B of VMM-363 crashed on Aug. 27, 2023, killing three Marines. An MV-22B Osprey belonging to 3rd Marine Aircraft Wing crashed in California, resulting from a twin arduous clutch engagement inflicting catastrophic malfunction of the plane’s gearbox that result in drive system failures, killing all 5 Marines onboard, on Jun. 8 , 2022. 4 Marines had been killed within the crash, attributable to a pilot error (who carried out low altitude steep financial institution angle maneuvers exceeding the plane’s regular working envelope), of an MV-22B taking part in Operation Cold Response in Norway in March 2022. This one was the primary Osprey crash in 5 years.

Earlier, in 2017, the U.S. Marine Corps suffered three crashes in a single yr: on Sept. 29, 2027, an MV-22 Osprey crashed in Syria injuring two; on Aug. 5, an MV-22 Osprey assigned to Marine Medium Tiltrotor Squadron 265 (Bolstered), thirty first Marine Expeditionary Unit crashed after taking off from amphibious assault ship USS Bonhomme Richard off Australia. Three Marines died within the accident. A terrifying video of the incident circulated on-line final yr. On Jan. 29, an MV-22B  referred to as in to evacuate one American soldier killed and three others injured in a firefight with Al Qaeda fighters in Yemen, crash landed, injuring 2 service members. The Osprey was deliberately destroyed in place by a U.S. Air Power F-16 raid as soon as it was decided that it couldn’t go away the crash touchdown web site.

One other 10 incidents occurred between 1991 and 2016.


David Cenciotti is a journalist based mostly in Rome, Italy. He’s the Founder and Editor of “The Aviationist”, one of many world’s most well-known and skim navy aviation blogs. Since 1996, he has written for main worldwide magazines, together with Air Forces Month-to-month, Fight Plane, and lots of others, overlaying aviation, protection, struggle, business, intelligence, crime and cyberwar. He has reported from the U.S., Europe, Australia and Syria, and flown a number of fight planes with totally different air forces. He’s a former 2nd Lt. of the Italian Air Power, a non-public pilot and a graduate in Pc Engineering. He has written 5 books and contributed to many extra ones.



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