NuPower Approved by Bombardier CRJ Series Aircraft. 24th September 2018/0 Comments/in News /by Kevin BishopNuPower has done it again. Bombardier has issued a RIL referring to AMM Task 12-21-00-110-801 adding a dry wash procedure using NuPower for the CRJ Series Aircraft. To view the RIL, follow this link NuPower II aviation approved aircraft dry wash, cleans and protects in one operation. Product details for NuPower can be found here.