Helicopter Owners: Check Those Rotors by April Deadline
Published Date: 3/13/2026
Rule
Summary
If you own or fly an Airbus Helicopters Deutschland MBB-BK 117 model, listen up! The FAA found a mix-up with rotor parts that could cause safety issues, so they’re requiring a one-time check and fix of these parts by April 17, 2026. You can also replace the rotor head if you want, but don’t install any affected parts afterward. This keeps everyone flying safe without breaking the bank.
Analyzed Economic Effects
4 provisions identified: 0 benefits, 4 costs, 0 mixed.
Estimated compliance and replacement costs
The FAA estimates this AD affects 34 U.S.-registered helicopters. The mandatory consistency check is estimated at 2 work-hours × $85/hr = $170 per helicopter (total $5,780 for U.S. operators). On-condition actions are estimated at 1 work-hour ($85) each for reviewing the log card and 1 work-hour ($85) to re-identify an MRH. As an optional action, replacing an MRH is estimated at 10 work-hours ($850) plus parts costing up to $89,000 for a total up to $89,850 per helicopter.
You cannot install affected rotor heads
The rule prohibits installing an affected main rotor head (MRH) on any helicopter. If an MRH is identified as affected, it must not be installed on aircraft after this AD is effective April 17, 2026.
Which helicopters are covered
This rule applies to all Airbus Helicopters Deutschland (AHD) Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, and C-1 helicopters. The AD is effective April 17, 2026 and only these listed models are subject to its requirements.
Mandatory one-time rotor-head check
If you operate one of the listed MBB-BK 117 helicopters, you must perform a one-time consistency check of the main rotor head part number (P/N) and serial number (S/N), determine if the MRH has been modified, perform any corrective actions, and re-identify a modified MRH in accordance with EASA AD 2025-0028 as adopted by this AD. The AD is effective April 17, 2026.
Your PRIA Score
Personalized for You
How does this regulation affect your finances?
Sign up for a PRIA Policy Scan to see your personalized alignment score for this federal register document and every other regulation we track. We analyze your financial profile against policy provisions to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-08943 — Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility
The FAA is proposing new rules to keep drones away from certain important fixed sites like power plants or airports to keep everyone safe and secure. If you own or operate one of these sites, you can request a drone flight restriction zone to protect your property and people nearby. Comments are open until July 6, 2026, and these changes could affect drone pilots and site operators, but no big costs are expected.
2026-09972 — Agency Information Collection Activities; Proposals, Submissions, and Approvals: Mitsubishi MU-2B Series Airplane Training Requirements
The FAA is renewing its paperwork rules for pilots flying the Mitsubishi MU-2B airplane to make sure they get special training and follow safety steps. This affects MU-2B pilots who must keep records proving they completed the required training. Comments on this plan are open until June 18, 2026, and the goal is to keep flying safer without adding extra hassle or costs.
2026-09953 — Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Experimental Aircraft: Letters of Deviation Authority (LODA)
The FAA is renewing its approval to collect info from pilots who want special permission to give paid flight lessons in experimental aircraft. This helps make sure these lessons are safe. If you’re involved, you can comment by June 18, 2026, and there’s no new cost—just the usual paperwork.
2026-09971 — Notice of Draft FAA Order 5100-38E, Airport Improvement Program Handbook
The FAA is updating its Airport Improvement Program Handbook to reflect new laws and policies since 2017. This affects airports, states, and contractors who rely on federal funding for airport projects. You can review the draft and share your thoughts by August 17, 2026, so the FAA can finalize the new guide and keep airport funding running smoothly.
2026-09942 — Establishment of Class E Airspace; Geneva, OH
The FAA wants to create new Class E airspace around the University Hospitals Geneva Medical Center Heliport in Geneva, Ohio. This change will help pilots use special instrument flying rules safely when landing or taking off. If you have thoughts, you’ve got until July 2, 2026, to speak up—no costs or fees involved!
2026-09771 — Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
Pilatus PC-12 airplane owners and operators, heads up! The FAA is updating safety rules to fix a problem that could affect certain planes, meaning some extra checks or fixes might be needed. Comments on these changes are open until June 29, 2026, so get involved before then—these updates could cost some time and money but keep everyone flying safe.
Previous / Next Documents
Previous: 2026-04919 — Airworthiness Directives; Airbus Helicopters
If you fly Airbus Helicopters like the AS332 or SA330J models, listen up! The FAA found cracks in the tail rotor parts caused by worn-out bearings, so they’re shortening how long these parts can be used and requiring replacements sooner. Starting April 17, 2026, you can’t install old bearing stacks unless they meet new safety rules—keeping your chopper safe and sound without breaking the bank.
Next: 2026-04931 — Schedule of Fees for Consular Services-Fee for Administrative Processing of Request for Certificate of Loss of Nationality of the United States
Good news for U.S. citizens and nationals who want to give up their citizenship! Starting April 13, 2026, the fee for processing a Certificate of Loss of Nationality drops from $2,350 to just $450. This big price cut makes it way easier and cheaper to handle this important paperwork at U.S. embassies and consulates.