Hiking: Moving Without a Hitch
By Chief Aviation Structural Mechanic Nicholas Lemus, USN, VRM-30 (originally published in MECH Magazine)
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n September 23, 2022, a CMV22B Osprey landed aboard USS Abraham Lincoln (CVN 72). While spinning on deck, the aircrew noticed a popped latch on the right hand (RH) nacelle. The pilots had to shut down the aircraft engines to secure the popped latch. The maintenance crew went to get a ladder and position it next to the RH nacelle so it could be secured. Upon restart of the CMV-22B, the plane received multiple faults from systems associated with the RH nacelle. Maintenance continued to work on the problem for another 15 minutes and determined that more in-depth troubleshooting was needed to figure Sailors repair a panel from an CMV-22B Osprey, assigned to the Titans of out what was wrong with the aircraft. VRM-30, aboard USS Abraham Lincoln (CVN 72). U.S. Navy photo by Mass The flight deck coordinator requested Communication Specialist Seaman Apprentice Jett Morgan, USN. the aircraft remain on deck but required tail-over-deck to further troubleshoot the issues. The handler adequate amount of space. As a result, the spotting dolly had hit told the flight deck coordinator that he wanted the aircraft the FLIR while moving the aircraft in the hangar bay. Looking moved down into the hangar bay to finish the troubleshooting. back at the whole evolution, the squadron failed before even stepping onto the ship. Not bringing the appropriate licenses To allow the aircraft to maneuver into the hangar bay, the and support equipment was a mistake from the beginning. nose landing gear needs to be raised. This is to ensure that The squadron’s publications reference moving the aircraft into the spotting dolly can fit around the nose landing gear so it the hangar, and the evolution requires the aircraft to be hiked doesn’t damage the aircraft’s forward-looking infrared (FLIR) before moving it into the hangar bay. The ship’s publications camera or gear doors. This is called “hiking” the aircraft. The also direct maintainers and aircraft handlers to ensure the procedure requires nitrogen to be put into the nose landing aircraft is hiked prior to maneuvering in accordance with their strut. This sufficiently raises the strut, which is then kept in spotting procedures. The squadron should have had a member place by a hike pin to ensure the strut does not fail. While of maintenance leadership stay with the aircraft throughout this is a routine maintenance procedure, it still requires the the whole movement. proper tools and paperwork to be completed correctly and The CMV-22B aircraft is fairly new to the Fleet, bringing within regulations. However, the maintenance crew did not bring the required licenses to operate the nitrogen cart used with it a lack of knowledge and experience moving the aircraft to raise the strut. In addition, the maintenance crew did not around the carrier’s flight deck and hangar bay. VRM-30 will bring the hike pin to ensure the strut would stay in place. On hold multiple trainings before underway periods to mitigate top of those issues, the crew did not notify ships’ personnel occurrences of this type in the future and will interface with that the aircraft was not hiked before moving it from the flight CVN flight and hangar deck crews to ensure they understand deck to the hangar. The maintenance crew provided a brake the unique requirements of deploying with the CMV-22B. rider and no one else for the movement. All of these mistakes were preventable, and they led to a mishap that never should have happened. The maintenance chiefs went to their shop so they could communicate the situation with their squadron. After a phone call with VRM-30, a maintainer came into the shop and said a chief was needed in the hangar because a mishap had occurred. Due to the aircraft not being hiked by the maintenance crew, the spotting dolly could not fit under the aircraft with an
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