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Scope Clause Keeps Regional Aviation Stuck in the Past

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Regional jets are no longer a growth industry in North America, thanks to the Scope Clause.  This policy has crimped new technologies from entering the market – it started with the Mitsubishi SpaceJet and Embraer E175-E2.  There are projects underway trying to break through this limit, but the graveyard of attempts grows steadily. The latest was the MaeveJet.  A promising design with novel power plants – even though the Pratt & Whitney won’t discuss it at all.

Thinking about this conundrum led us to do an analysis of the market

as it is now.  We defined four variables: Aircraft Technical Efficiency, Passenger Revenue Efficiency, system wide Transport Efficiency, and Total Structural Capacity Efficiency. We then created an Index combining these.  Regional jets average 32.4 on this index. Single-aisles average 36.8. That gap is the Scope Clause in numerical form.

The Index works as follows:

Regional jets are no longer a growth industry in North America, thanks to the myopic Scope Clause.  This policy has crimped new technologies from entering the market – it started with the Mitsubishi SpaceJet and Embraer E175-E2.  There are projects underway trying to break through this limit, but the graveyard of attempts grows steadily. The latest was the MaeveJet.  A promising design with novel powerplants – even though the Pratt & Whitney won’t discuss it at all.

Thinking about this conundrum led as to do an analysis of the market as it is now.  We defined four variables: Aircraft Technical Efficiency, Passenger Revenue Efficiency, Systemwide Transport Efficiency, and Total Structural Capacity Efficiency. We then created an Index combining these.


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