Why Aircraft on Ground Recovery Is More Than a Maintenance Problem

When an aircraft is unexpectedly grounded, the immediate priority is identifying the technical issue and determining what is required to return it to service.

However, resolving the maintenance problem is only one part of the recovery process.

Operators may also need to locate qualified maintenance personnel, source replacement components, arrange transportation, coordinate with aircraft owners or customers, and ensure that all necessary inspections and documentation are completed.

Each activity introduces its own timeline.

A replacement component may be available but located hundreds of miles away. A qualified technician may be ready to perform the repair but unable to reach the aircraft immediately. Even when maintenance is completed, additional operational arrangements may be necessary before the aircraft can resume its intended schedule.

These overlapping requirements make Aircraft on Ground (AOG) recovery a complex operational challenge.

Daniel Harris of Ironbird Partners recently explored this issue through a LinkedIn poll, asking aviation professionals which part of AOG recovery consumes the most time.

The results revealed an interesting finding: Recovery coordination received more votes than troubleshooting, parts sourcing, or finding a maintenance provider.

This raises an important question for aircraft operators, maintenance directors, and aviation service providers.

If the technical problem is only one part of an AOG event, how can organizations improve the coordination required to return an aircraft to service?

What Aviation Professionals Say About AOG Delays

Harris asked his LinkedIn audience:

"What is the biggest AOG time drain?"

The poll received 32 votes, with the following results:

Source: Daniel Harris's LinkedIn poll. Percentages are displayed as reported and total 99% due to rounding.

Recovery coordination received the largest share of votes, followed by parts sourcing and finding a maintenance provider.

Troubleshooting received the smallest share.

Although the poll represents only 32 respondents and should not be interpreted as an industry-wide study, the results offer an interesting perspective on the operational challenges associated with AOG events.

The findings suggest that, among these respondents, the greatest perceived delays are not necessarily associated with diagnosing the aircraft's technical problem.

Instead, more respondents identified the activities required to organize and complete the recovery.

This distinction matters because maintenance work and recovery management are closely connected but involve different responsibilities.

Identifying what needs to be repaired is one challenge. Ensuring that the right people, parts, equipment, and approvals are available is another.

Understanding Aircraft on Ground (AOG) Recovery

Aircraft on Ground, commonly abbreviated as AOG, is an aviation industry term used when an aircraft is grounded because of a technical or maintenance-related issue that prevents it from operating as intended.

AOG situations can vary significantly in complexity.

Some involve relatively straightforward maintenance requirements. Others require specialized troubleshooting, replacement components, additional inspections, or support from an appropriately authorized maintenance provider.

Regardless of the circumstances, an aircraft must meet applicable airworthiness and operational requirements before returning to flight.

In the United States, the Federal Aviation Administration (FAA) establishes requirements concerning aircraft maintenance, inspections, maintenance records, and approval for return to service.

For example, 14 CFR Part 43 addresses maintenance and recordkeeping requirements, while Part 145 establishes requirements for FAA-certificated repair stations.

These requirements remain applicable even when an aircraft is experiencing an urgent operational disruption.

AOG recovery must therefore balance the need to restore aircraft availability with the obligation to complete maintenance correctly and comply with applicable regulations.

The objective is not simply to complete repairs as quickly as possible.

It is to return the aircraft to service safely and in accordance with the applicable requirements.

Why Recovery Coordination Can Become the Biggest Time Drain

Recovery coordination received 37% of the votes, making it the most frequently selected challenge in Harris's poll.

This result highlights an important characteristic of AOG events.

Recovery often requires multiple parties to work together, including maintenance personnel, aircraft operators, parts suppliers, logistics providers, and operational teams.

Each party may be responsible for a different part of the process.

For example, maintenance personnel may identify the required component while a procurement team works to locate it.

A logistics provider may arrange transportation, while the operator coordinates aircraft access and communicates with affected customers.

These activities may occur simultaneously, but they are not always independent.

A maintenance provider may need confirmation that the required part is available before committing resources.

A parts supplier may require precise component information before confirming availability.

An operator may need an updated recovery estimate before making decisions about subsequent flights.

If information is delayed or responsibilities are unclear, the overall recovery process can become more difficult to manage.

This does not mean coordination is always the primary cause of an AOG delay.

However, the poll suggests that many respondents view it as a significant operational challenge.

Industry Perspective: Communication Is Central to AOG Recovery

The discussion surrounding Harris's LinkedIn poll included comments from aviation professionals with experience in maintenance and operational management.

Adam Parnes, an aviation maintenance executive, emphasized the importance of communication throughout the recovery process.

He argued that effective coordination should connect maintenance teams with operational and sales personnel, allowing everyone involved to understand the status of the AOG event.

Parnes also highlighted the importance of established maintenance provider networks, vendor agreements, and internally agreed timelines.

His perspective raises an important point.

AOG recovery is not solely a maintenance department responsibility.

While qualified maintenance personnel must address the technical issue, operational teams may also need accurate information to manage aircraft scheduling, customer expectations, and other business considerations.

Without clear communication, different departments may operate with incomplete or outdated information.

For example, a maintenance team may know that a replacement component has been ordered, while the operations team may not know whether delivery has been confirmed.

Similarly, a sales team may communicate an estimated return-to-service time without understanding the remaining maintenance requirements.

These situations illustrate why structured communication can be valuable during an AOG event.

A coordinated recovery process should make it clear what has been completed, what remains outstanding, and who is responsible for the next action.

Finding the Right Maintenance Provider

Finding a maintenance provider received 25% of the votes.

When an aircraft experiences an unexpected technical issue away from its usual maintenance base, the operator may need assistance from an unfamiliar service provider.

The challenge is not simply identifying a company willing to perform the work.

The provider must have the appropriate authorization, technical capabilities, personnel, equipment, and access to the resources required for the maintenance task.

Under FAA regulations, certificated repair stations operate within the privileges and limitations of their applicable ratings and authorizations.

Consequently, a repair station certificate does not automatically authorize every type of aircraft maintenance.

Operators must determine whether a provider is appropriately qualified for the specific work required.

This becomes particularly important when the aircraft is located somewhere that offers limited access to specialized maintenance services.

In such situations, operators may need to coordinate with external providers or arrange for appropriately qualified personnel and equipment to reach the aircraft.

The time required to identify and engage suitable support can become part of the overall AOG recovery timeline.

Why Established Maintenance Networks Matter

Douglas Taylor, an aviation entrepreneur and former director of maintenance, also contributed to the LinkedIn discussion.

Drawing on more than 30 years of experience as a director of maintenance, Taylor observed that finding providers, troubleshooting, sourcing parts, and coordinating recovery can all consume time.

His comment reflected the unpredictable nature of AOG events and the difficulty of controlling every aspect of the recovery process.

This perspective reinforces the value of preparation.

An established network of maintenance providers can help operators identify potential support when unexpected technical problems arise.

However, a provider network should not be treated as a substitute for verifying qualifications and capabilities.

A company that can support one aircraft type or maintenance requirement may not be suitable for another.

Operators may therefore benefit from maintaining current information about provider capabilities, locations, certifications, and relevant contact details.

Established vendor agreements can also clarify certain commercial and administrative arrangements before an urgent maintenance event occurs.

These preparations do not eliminate the possibility of AOG delays.

They can, however, reduce the number of decisions that must be made from the beginning during an unexpected disruption.

Parts Sourcing: When the Required Component Is Not Immediately Available

Parts sourcing received 31% of the votes, making it the second-most-selected challenge.

Aircraft maintenance may require replacement components that are not immediately available at the aircraft's location.

When this happens, the recovery process can depend on identifying a suitable part, confirming its availability, and arranging transportation.

Several factors may influence the process.

The required component may be held by a supplier in another location.

A replacement may need to be ordered through an approved supply channel.

The operator or maintenance provider may also need to verify the component's eligibility for installation and ensure that the necessary documentation is available.

For U.S.-regulated maintenance, FAA requirements concerning replacement parts, maintenance practices, and approval for return to service are relevant to these decisions.

The availability of a component alone does not establish that it is eligible for installation on a particular aircraft.

The maintenance organization must ensure that the part is appropriate for the intended application and that applicable requirements are satisfied.

This distinction is particularly important during an urgent AOG event.

Pressure to restore aircraft availability cannot replace the necessary technical and regulatory checks.

The Role of Logistics in Aircraft Recovery

Parts sourcing and logistics are closely related, but they are not identical.

A required component may be available from a supplier while still needing transportation to the aircraft.

Depending on the location and circumstances, delivery may involve ground transportation, air freight, customs procedures, or coordination with multiple logistics providers.

These activities introduce additional dependencies.

For example, a maintenance provider may be available to complete the repair, but the work cannot proceed until the required component arrives.

Alternatively, the component may arrive before the necessary equipment or personnel are available.

These situations demonstrate why AOG recovery should be managed as a sequence of connected activities rather than a single maintenance task.

Understanding those dependencies can help operators identify which outstanding requirement is preventing the next stage of recovery.

It can also improve communication between maintenance, logistics, and operational teams.

Troubleshooting: A Smaller Share of Votes, but Still Essential

Troubleshooting received only 6% of the votes in Harris's poll.

However, this result should not be interpreted as evidence that aircraft troubleshooting is generally quick or unimportant.

The poll asked respondents to identify the biggest time drain, not to evaluate the technical difficulty or safety significance of each activity.

Troubleshooting remains a critical part of maintenance.

Before corrective action can be taken, qualified personnel must identify the issue and determine the appropriate maintenance procedures.

Depending on the aircraft system and the nature of the fault, this may require inspections, testing, technical documentation, or specialized diagnostic equipment.

Some issues can be identified relatively quickly.

Others may require more extensive investigation.

The duration depends on the specific technical circumstances.

The poll results therefore highlight the respondents' perceptions of recovery delays rather than establishing that troubleshooting is less demanding than other AOG activities.

Why Clear Communication Matters Across Maintenance and Operations

An AOG event can affect several departments within an aviation organization.

Maintenance personnel focus on identifying and resolving the technical problem.

Operations teams manage aircraft scheduling and related operational requirements.

Customer-facing teams may need to communicate changes to passengers, charter clients, or aircraft owners.

These responsibilities are connected.

If one team receives updated information that is not communicated to others, decisions may be made using outdated assumptions.

For example, a revised parts delivery estimate may affect the expected completion of maintenance.

That change may also affect aircraft scheduling and customer communications.

A structured recovery process can help establish how updates are shared and who is responsible for communicating important changes.

Useful information may include:

• The current maintenance status and identified technical issue.

• The required parts, equipment, or specialized support.

• Confirmed provider and logistics arrangements.

• Outstanding dependencies affecting the recovery.

• The next planned action and the person responsible.

• The status of required maintenance documentation and return-to-service approvals.

These are practical coordination considerations rather than a universal regulatory checklist.

The appropriate communication process will depend on the operator's organization, aircraft, and applicable procedures.

Why AOG Recovery Cannot Be Measured by Repair Time Alone

When evaluating an AOG event, it can be tempting to focus primarily on how long the physical repair takes.

However, the total time an aircraft remains unavailable may include several other activities.

The operator may spend time identifying the problem, locating a provider, obtaining components, arranging transportation, and completing the necessary maintenance and operational steps.

These activities may overlap, but they can also create dependencies that extend the overall recovery.

For example, a repair requiring only a short period of hands-on maintenance may still result in a longer grounding if the required component is not available locally.

Similarly, a maintenance provider may complete the technical work while other requirements remain outstanding before the aircraft can resume operations.

This is why repair duration and total AOG duration should not be treated as interchangeable measures.

For operators reviewing AOG performance, it may be useful to distinguish between the time spent on technical work and the time spent waiting for resources, information, or coordination.

Such analysis can help identify recurring operational bottlenecks.

However, any assessment should account for the specific circumstances of each event.

How Aircraft Operators Can Improve AOG Preparedness

Although AOG events cannot always be prevented, operators can establish procedures that support more organized responses when unexpected maintenance issues occur.

Several areas deserve consideration.

1. Maintain an established provider network

Operators can maintain current information about maintenance organizations with relevant capabilities and authorizations.

This can help identify potential support when an aircraft is grounded away from its usual maintenance location.

2. Establish clear communication responsibilities

Maintenance, operations, and customer-facing teams should understand how important recovery information will be shared.

Defined responsibilities can help reduce confusion about who is coordinating specific activities.

3. Prepare for parts sourcing requirements

Operators can review how replacement components are identified, ordered, documented, and transported.

This preparation may help clarify the steps required when an urgent parts request arises.

4. Identify recovery dependencies

AOG coordination should account for the relationship between troubleshooting, parts availability, maintenance personnel, equipment, and operational requirements.

Understanding which activities depend on others can support more realistic planning.

5. Keep maintenance and operational updates aligned

Teams should communicate changes that affect the expected recovery process, particularly when new information alters previous assumptions.

6. Review completed AOG events

After an aircraft returns to service, operators may benefit from reviewing which activities contributed to the grounding duration.

This can help identify opportunities to improve internal processes and external coordination.

These practices cannot guarantee a faster recovery in every situation.

They can, however, provide a more structured approach to managing unexpected maintenance disruptions.

The Future of AOG Recovery Depends on Better Coordination

Digital tools may help aviation organizations organize information, track maintenance activity, and coordinate communication between teams.

However, technology alone cannot resolve every AOG challenge.

A maintenance provider must still be appropriately qualified.

Replacement components must still meet applicable requirements.

Maintenance must still be performed and documented correctly.

And the aircraft must still satisfy the necessary conditions before returning to service.

The potential value of technology lies in supporting these activities and making relevant information easier to access.

For example, a shared recovery tracking process could help teams understand which tasks have been completed and which requirements remain outstanding.

However, whether such systems improve recovery performance depends on their implementation, the quality of the information available, and how effectively teams use them.

The objective should not simply be to automate communication.

It should be to support accurate, timely, and coordinated decisions throughout the recovery process.

Conclusion: AOG Recovery Is an Operational Challenge, Not Just a Technical One

Aircraft on Ground events involve more than identifying and repairing a technical problem.

Operators may also need to coordinate maintenance providers, replacement components, transportation, operational arrangements, and required documentation.

Daniel Harris's LinkedIn poll highlighted how aviation professionals perceive these challenges.

Among 32 respondents, recovery coordination received the largest share of votes at 37%, followed by parts sourcing at 31% and finding a provider at 25%.

Troubleshooting received 6%.

Although the findings are not representative of the entire aviation industry, they raise an important point.

The time required to return an aircraft to service can depend as much on organizing the recovery as on performing the maintenance itself.

The comments from experienced aviation professionals further emphasize the importance of communication, established provider networks, and clear internal responsibilities.

For operators, the opportunity is to improve how these activities work together.

AOG recovery cannot eliminate every unexpected delay.

But a coordinated approach can help organizations identify outstanding requirements, communicate more effectively, and make informed decisions during a challenging operational situation.

Ultimately, the goal is not simply to repair the aircraft quickly.

It is to manage the complete recovery process while maintaining the safety and regulatory standards required for the aircraft's return to service.

Join the Conversation With Ironbird Partners

What creates the biggest delays during an AOG event in your organization?

Is it finding qualified maintenance support, locating replacement parts, troubleshooting technical issues, or coordinating the overall recovery?

We invite aircraft operators, maintenance directors, charter professionals, and aviation service providers to share their experiences.

Explore Daniel Harris's LinkedIn poll and join the discussion.

For more conversations about aircraft maintenance, operational challenges, and the business of private aviation, visit the Ironbird Partners Podcast and listen to our episodes.

You can also explore the full podcast discussion referenced in the original poll.