This article summarizes reporting by the National Business Aviation Association (NBAA).

Mexico’s Updated APIS Protocols: Navigating the “Doors Closed” Requirement

U.S. operators planning flights to Mexico are facing renewed scrutiny regarding Advance Passenger Information System (APIS) submissions. According to a February 2026 report by the National Business Aviation Association (NBAA), confusion surrounds a “new” two-step submission process enforced by Mexican immigration authorities (INM). While the regulations technically apply to all international flights, the practical application for General Aviation (GA) remains a point of contention among industry experts.

The core of the update involves a secondary confirmation message required after the Commercial-Aircraft doors are secured. Failure to adhere to these strict transmission windows can result in significant financial penalties and operational delays. We examine the details of these requirements and the best practices recommended by industry veterans to maintain compliance without compromising safety.

The Two-Step Submission Mandate

The updated procedure, as outlined in recent industry guidance, effectively splits the APIS filing into two distinct phases. Operators must ensure both steps are completed to satisfy the Instituto Nacional de Migración (INM).

1. Pre-Flight Submission

The standard requirement remains largely unchanged. Operators must submit the full passenger and crew manifest between 24 hours and 2 hours prior to departure. This rule applies to flights both entering and departing Mexico.

2. The “Doors Closed” Confirmation

The source of recent confusion, and potential fines, is the second step. Regulations now technically require a confirmation message stating that “passengers are onboard.” This transmission must occur specifically after the aircraft doors are closed but before the aircraft takes off.

Operational Challenges and Expert Advice

While the written regulation is clear, its enforcement has been inconsistent, leading to uncertainty for Private-Jets operators. The NBAA report highlights a discrepancy between the strict letter of the law and daily reality.

Rule vs. Reality

According to the NBAA, the regulation published in the Diario Oficial de la Federación applies to all international flights, including Part 91 and Part 135 operations. However, experts cited in the report, such as Ruben Barbosa of Manny Aviation, note that in practice, the secondary “doors closed” submission is primarily enforced for commercial Airlines. For many GA flights, the initial notice sent 24 to 2 hours prior has often been sufficient.

Despite this common practice, relying on lenient enforcement is risky. The written law empowers authorities to fine any operator who fails to send the second message, regardless of past precedents.

Safety Concerns: The Distracted Pilot

A major concern raised by Safety experts regarding the “doors closed” rule is the potential for pilot distraction. Requiring a pilot to manually transmit data via a mobile device while taxiing or holding short of a runway introduces unnecessary risk during a critical phase of flight.

To mitigate this, experts like Adam Hartley of The Regulatory Toolbox recommend a proactive approach that removes the burden from the flight deck. The NBAA report suggests delegating this task to a dispatch team or an International Service Provider (ISP). In this scenario, the pilot simply communicates “doors closed” to their ground support, who then handles the electronic filing via a secure connection.

“Pilots should not be fumbling with cell phones or iPads to send an APIS message while taxiing.”

— Summary of safety advice from NBAA experts

Financial Risks and Submission Methods

The cost of non-compliance is tangible. Data cited in the report indicates that fines for APIS errors or failures can range significantly.

Potential Penalties

Operators found in violation of the submission windows or data accuracy requirements face fines estimated between $1,471 USD and $15,000 USD per infraction. Because fines have been issued to private operators in the past, treating the “doors closed” requirement as optional is financially dangerous.

Avoid Email Submissions

While the INM technically allows submissions via email using an Excel spreadsheet, industry experts strongly discourage this method for frequent operators. The email option is limited to four trips per year and, crucially, provides no confirmation of receipt or error validation. Without an immediate “Accept/Reject” message, an operator may unknowingly fly into a violation.

Instead, the NBAA and trip support providers recommend using the ARINC portal. This direct connection offers immediate confirmation, ensuring the data has been received and processed before the aircraft leaves the ground.

AirPro News Analysis

The tightening of APIS requirements in Mexico mirrors a global trend toward digitized, real-time border enforcement. Authorities are increasingly moving away from static manifests filed hours in advance to dynamic systems that verify exactly who is on board at the moment of departure. For U.S. operators, this shift necessitates a move away from “do-it-yourself” compliance via email toward integrated flight planning tools that automate these secondary transmissions. The “doors closed” rule, while operationally clumsy for private jets, is likely here to stay as part of broader security standardization.

Frequently Asked Questions

Does the “doors closed” rule apply to Part 91 flights?

Yes. While enforcement has historically focused on commercial airlines, the written regulation applies to all international flights, including private Part 91 operations.

Can I send the APIS data via email?

Technically yes, but it is restricted to 4 trips per year and is highly discouraged due to the lack of confirmation receipts. Experts recommend using an ARINC-connected provider.

When must the first APIS message be sent?

The initial manifest must be submitted between 24 hours and 2 hours prior to the scheduled departure.

Sources

• National Business Aviation Association (NBAA)