In this area, Initial Provisioning has a key advantage over a Power-by-the-hour solutions due to customers controlling all of their own data, stock availability, management and maintenance strategies.

"IP recommendations cover the first year of operation of a new fleet for one main base. If IP recommendations are respected, the customers can benefit from the buy-back of surplus or unused IP stock," explains Kronisch. "Furthermore, it is easier for the customer to adapt their stocks depending on their unique operational experience for the relevant fleet after a certain time."

Power-by-the-hour solutions may circumvent some of the more cumbersome requirements of maintenance and material management by out-sourcing those to various operators bases. It can be subject to many uncontrollable factors that can hamper material availability. Market shifts, geopolitical situations like Brexit, and shifts in maintenance certification requirements can contribute to unpredictability when it comes to having a specific part available, exactly when it is needed.

Power-by-the-hour often follows the logic of central warehousing with optional on-site stocks at the operator's bases. This means that for the majority of the part numbers covered by a PBH, a logistics process is also needed to make those spare parts available to the customer. Generally—for any parts outside of on-site stock—this means it takes longer to have a PBH spare part available for replacement on the aircraft compared to an own IP stock. It becomes even less reliable when outside variables disrupt that logistics process.

Ensuring success: Planning your material readiness roadmap

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Initial Provisioning vs. Power-by-the-hour: A broad stroke comparison