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Regulations & Safety

FAA Final Rule Sets Radio Altimeter Standards for 5G C-Band

FAA mandates new radio altimeter standards to resolve 5G C-band interference, with compliance deadlines in 2030 and 2031.

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Photo: Getty Images

The FAA announced on July 22, 2026, a final rule mandating next-generation performance standards for aircraft radio altimeters, permanently resolving a multi-year conflict over 5G C-band interference.

Scheduled for publication in the Federal Register on July 24, 2026, the regulations replaces temporary operational restrictions with permanent equipment standards. The rule aligns with an FCC plan to auction 160 megahertz of new Upper C-band spectrum for 5G networks, a mandate established by the One Big Beautiful Bill Act signed by President Donald Trump in July 2025.

Regulatory coordination and financial incentives

Following a Notice of Proposed Rulemaking issued on January 7, 2026, the final rule requires aircraft to be equipped with radio altimeters capable of withstanding interference from neighboring 5G wireless signals. These systems are critical for providing exact height measurements during low-visibility landings.

The aviation industry faces an estimated $4.49 billion retrofit cost to upgrade the affected equipment. To offset this financial burden, the FCC Report and Order includes a rebate program funded by the upcoming spectrum auction proceeds.

In a press release, the FAA stated that the regulation provides technical and schedule certainty to potential 5G auction bidders. The agency noted that the FCC requirements for a radio-altimeter rebate program will provide financial incentives for the aviation community to hold to the altimeter-upgrade schedule.

Airlines for America (A4A) supported the regulatory resolution. The organization stated that the FCC final order reflects the dedicated work that the agency, the FAA, and the aviation and telecommunications industries have been doing to ensure the US remains the global leader in the wireless and aerospace industries.

Implementation timeline and safeguards

The FCC is scheduled to auction the 160 megahertz of Upper C-band spectrum in July 2027. The deployment of new wireless services using this spectrum is tied directly to the aviation compliance schedule to prevent operational disruptions.

By December 2030, new wireless services will be permitted to begin in the 75 largest US markets. This date aligns with the first deadline for scheduled air carriers to complete their altimeter upgrades. A second compliance deadline follows in July 2031 for other affected aircraft, at which point wireless services can expand to remaining markets.

The FCC rule includes specific safeguards to protect aviation operations during and after the transition. These measures include limiting the power of the auctioned 5G signals, establishing a buffer band to protect the altimeter frequencies, and restricting the height of 5G transmission towers.

The FAA confirmed that as a result of this coordination and years of testing, the agency is confident that aviation can safely coexist with expanded wireless access.

AirPro News analysis

This final rule marks the end of a chaotic period of ad-hoc mitigations that began in early 2022. Previous stopgap measures, including temporary deferrals, power limits, and buffer zones around runways, created operational uncertainty for airlines and telecommunications providers alike. By tying the aviation upgrade schedule directly to telecommunications auction proceeds through a rebate program, regulators have engineered a pragmatic compromise. We view the December 2030 and July 2031 deadlines as ambitious but achievable, provided the aerospace supply-chain for next-generation radio altimeters can support the required volume of retrofits across the commercial fleet.

Sources: Federal Aviation Administration

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Regulations & Safety

India’s New Aviation Rules Recognize Fractional Aircraft Ownership

India’s Bharatiya Vayuyan Niyam, 2026 recognizes fractional aircraft ownership and replaces the Aircraft Rules, 1937 from January 1, 2027.

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India's New Aviation Rules Recognize Fractional Aircraft Ownership
Photo: Press Information Bureau

India’s new civil aviation rulebook, the Bharatiya Vayuyan Niyam, 2026, recognizes fractional ownership of aircraft, allowing one aircraft to be jointly owned as long as responsibility for its operation and maintenance is clearly identified. The rules take effect on January 1, 2027, and replace the Aircraft Rules, 1937, which served as the country’s principal aviation rulebook for decades.

The provisions were set out in a backgrounder posted on November 4, 2026, by the Government of India’s Press Information Bureau (PIB), citing the Ministry of Civil Aviation. The government notified the new rules under the Bharatiya Vayuyan Adhiniyam, 2024, the act that provides the legislative basis for the overhaul. According to the PIB, the Niyam comprises 220 rules organized into eight chapters and six schedules.

What the rules say about fractional ownership

The PIB document says the rules allow shared investment in an aircraft under arrangements that identify who is responsible for its operation and maintenance. The same section regulates aircraft imports, fractional ownership arrangements and private aircraft operations, and it states that private aircraft cannot be used for hire or reward except as permitted under the rules. The PIB summary does not give further detail on how fractional arrangements must be structured.

Registration rules sit alongside the ownership provisions. Aircraft may be registered under Category A or Category B, depending on prescribed ownership, citizenship, business registration and leasing criteria. Any change in an aircraft’s ownership or lessor must be reported immediately, and further flying is restricted until the registration requirements are met, unless the Directorate General of Civil Aviation (DGCA) grants written permission. Aircraft must display the nationality mark “VT”, followed by a hyphen and three assigned capital letters.

Leasing, deregistration and export

The government links the new rules to its aircraft leasing framework. The Protection of Interests in Aircraft Objects Act, 2025, which grew out of India’s Cape Town aircraft leasing bill, implements the Cape Town Convention framework in India. According to India Code, the government’s legislative database, the act (Act No. 17 of 2025) was enacted on April 16, 2025, came into force on May 1, 2025, and gives effect to the Cape Town Convention on International Interests in Mobile Equipment, signed on November 16, 2001, and its Aircraft Protocol.

Under the new rules, eligible applications from holders of an Irrevocable De-registration and Export Request Authorisation (IDERA) to cancel a registration must be processed within five working days. The rules also provide for the export of aircraft after deregistration. The PIB says that, over time, this may help reduce aircraft acquisition and leasing costs and ease pressure on airfares.

Fares, crews and penalties

For airlines, the rules require tariffs to be set on factors including operating costs and published digitally, and scheduled operators must submit their tariffs to the DGCA for monitoring. Booking websites and tickets must show the total amount payable and a breakdown of fares, taxes, fees and other charges. In extraordinary situations, the central government may issue proportionate, time-bound directions in the public interest.

Crew provisions cover flight and duty-time limits, minimum rest and fatigue management. Crew members may not consume alcohol or specified intoxicants within 12 hours before a flight. For cabin crew, the rules set a minimum of one member for aeroplanes with 10 to 50 seats and helicopters with 20 to 50 seats, two members for aircraft with more than 50 seats, and one more for every 50 seats or part thereof beyond 99 seats. No cabin crew member may serve on more than three aircraft types.

Personnel licensing spans 23 categories of licences, ratings and certificates for pilots, flight engineers, aircraft maintenance engineers, air traffic controllers and radio-telephone operators. On enforcement, the PIB lists 21 punishable offences carrying imprisonment of up to two years, a fine of up to ₹1 crore, or both, plus 18 compoundable offences. A graded penalty structure with ten severity levels sets monetary penalties from ₹10,000 to ₹1 crore, depending on the contravention and the size of the offender.

Design approval and the wider market

The rules also give the DGCA a defined framework for aircraft design and certification. It may issue type certificates for aircraft, engines and propellers where India is the State of Design, validate or accept foreign type certificates, and authorize the design and manufacture of aircraft components. Draft airworthiness directives are generally published on the DGCA website for 30 days for comment, subject to exceptions.

The PIB places the rewrite against the growth of India’s airport network, which it says rose from 74 operational airports in 2014 to 166 as of October 2026. The rules also allow the central government to set up a Regional Air Connectivity Fund for viability gap funding, which may be financed by a levy on domestic scheduled flights. The new rules replace Part IX of the Aircraft Rules, 1920, as well as the 1937 rules, and come into force on January 1, 2027.

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Regulations & Safety

FAA Lifts Nationwide Ground Stop as Some Departures Resume

The FAA lifted its nationwide ground stop of November 13, 2026, and said some departures are resuming after it tested its systems.

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FAA Lifts Nationwide Ground Stop as Some Departures Resume
Photo: FAA

The Federal Aviation Administration (FAA) has lifted the nationwide ground stop it ordered on November 13, 2026, and some flight departures are resuming, the agency said in a statement on its official X account. The FAA said it tested its systems to confirm they were stable before it cleared flights to resume.

The statement does not give a time for the end of the stop or name a cause, and the FAA says its technicians are investigating. AirPro News reported on the FAA’s original ground stop order on November 13.

What the FAA said

“The safety of the flying public is always the FAA’s highest priority,” the agency said in its X statement. It said the ground stop had been lifted and that some departures were resuming.

The FAA said that before clearing flights to resume, it had tested its systems to confirm they were stable and that operations remain reliable. It told passengers to contact their airlines for flight updates.

The agency’s statement on the nationwide ground stop, published on the FAA website on November 13, says the stop was ordered after communication problems affected multiple Air Route Traffic Control Centers. “FAA technicians are investigating the issue,” the statement says. The FAA marks the statement as preliminary and subject to change.

What the command center advisory set out

Air Traffic Control System Command Center (ATCSCC) Advisory 111, time-stamped 20:54 UTC on November 13 and addressed to all aircraft operators, ground stopped all airports by order of the FAA command center, citing extraordinary circumstances and reasons of safety. It told operators that all departing traffic should remain on the ground until further notice.

The advisory listed the scope of the stop as all airports and the reason as equipment and outage. It gave an event window from 20:53 UTC on November 13 to 04:00 UTC on November 14, and said inbound international flights would be managed on a case by case basis.

What officials said

Homeland Security Secretary Markwayne Mullin spoke to reporters at the White House on November 13, and Transportation Secretary Sean Duffy also addressed the ground stop, The Associated Press reported. According to the AP, Trump administration officials said new technology added to the air traffic control system had overloaded older systems, leading to “intermittent” communications and radar gaps.

Mullin said the FAA was installing “new equipment, new technology” and that it “was overwhelming the older system,” the AP reported. Asked whether a cyberattack could be ruled out, Mullin said: “There’s nothing completely certain right now. It doesn’t appear that way.” He said there were no “footprints” of an attack. The AP reported that officials were still searching for the cause.

Mullin said no one was in danger and that more than 3,000 flights were safely landed, according to the AP. Duffy said 3,500 airplanes were in the sky when the stop began, and added: “And last time I looked, we had less than 400 in the airspace.” According to the AP, Duffy said he could not guarantee that it would not happen again.

Diversions and recovery

The AP reported that the ground stop was lifted on the night of November 13 after about five hours, and that limited domestic departures resumed that evening. About 11,000 flights carrying more than 1.5 million passengers had been scheduled to depart U.S. airports after 4 p.m. EST on November 13, according to the AP.

Citing Cirium data, the AP reported that at least 827 flights were diverted. As of 7:05 p.m. EST, 670 had been sent back to their departure airports and 157 had been redirected to other airports.

The AP reported that aircraft and crews were out of position after the stop and that a full recovery was expected to take days. Duffy said NCAA teams would be prioritized for travel to football games. Cargo flights were also delayed, and FedEx said it was prepared to activate contingency plans, according to the AP, which cited Airlines for America figures showing that U.S. airlines move about 61,000 tons (55,340 metric tonnes) of goods each day.

What comes next

The FAA has said its technicians are investigating and that it will provide updates. According to the AP, officials expect normal operations in time for the Thanksgiving travel rush.

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Regulations & Safety

FAA Orders Ground Stop at All Airports After Telecommunications Outage

The FAA ordered all airports ground stopped on November 13, 2026, citing a temporary telecommunications outage and reasons of safety.

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FAA Orders Ground Stop at All Airports After Telecommunications Outage
Photo: FAA

This is a developing story. Information may change as official details are released.

The Federal Aviation Administration (FAA) ordered all airports ground stopped on November 13, 2026, after what the agency described as a temporary telecommunications outage. An advisory from the FAA’s Air Traffic Control System Command Center (ATCSCC) set the start of the ground stop at 20:53 UTC (3:53 p.m. EST) and told operators that departing traffic should remain on the ground until further notice.

In a statement posted on its official account on X on November 13, 2026, the FAA said:

“There has been a temporary telecommunications outage – out of an abundance of caution all flights have been halted. Every flight has been accounted for and international flights will be handled on a case by case basis.”

What the command center advisory says

ATCSCC Advisory 111, time-stamped 20:54 UTC on November 13, is addressed to all aircraft operators. It states that, by order of the command center, all airports are ground stopped “due to extraordinary circumstances and for reasons of safety.”

The advisory’s summary table lists the scope as all airports and the reason as equipment/outage. It gives an event window from 20:53 UTC on November 13 to 04:00 UTC on November 14 (11 p.m. EST on November 13), lists 04:00 UTC as the time of its next update, and says inbound international flights will be managed on a case by case basis.

A follow-up operations plan, ATCSCC Advisory 112, time-stamped 21:02 UTC, carried the national ground stop forward with an event time of 21:00 UTC “and later.” It repeated that all departing traffic should remain ground stopped until further notice.

What the FAA has not yet said

The FAA’s statement does not say where the telecommunications outage occurred, which systems or facilities were affected, or when departures are expected to resume. The FAA has not stated the cause of the outage.

Neither advisory gives the number of flights held on the ground or airborne when the order took effect. The FAA’s statement says every flight has been accounted for. The command center’s advisory lists 04:00 UTC on November 14 as its next scheduled update.

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