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Test your heli knowledge – The H125 Squirrel

See how much you know about the ACH125, otherwise known as the AS350 B3 or Squirrel.

The quiz is multiple choice and you can take it as often as you like. Results are not shared but you have to provide an email address.

To see how you scored, click the FINISH button at the bottom of the page. Have fun!


You are obviously a Squirrel nut!

Have another go, these aren’t easy!

#1. What is the significance of the triple engine control system in the ACH125's Safran Arriel 2D engine and its impact on flight safety.

#2. What is the role of the First Limitation Indication (FLI) system in managing engine performance, and how does it contribute to operational safety?

#3. How does the use of the BLR FastFin system improve the hover performance and stability of the ACH125?

#4. Explain how the ACH125's enhanced external sound level specifications contribute to compliance with international aviation standards.

#5. What is the function of the Engine Data Recorder (EDR) in the ACH125, and how does it support predictive maintenance?

#6. Discuss the advantages of the ACH125's ability to perform in hot and high environments, referencing its performance record on Mount Everest.

#7. Describe the impact of the Crash Resistant Fuel System (CRFS) on the survivability of a crash and the reduction of post-crash fire risks.

#8. What are the benefits of the electronic N2 overspeed protection provided by the Safran Arriel 2D engine in the ACH125?

#9. Discuss the advantages of the gear-driven hydraulic pump system over a belt-driven system in the ACH125.

#10. How does the Vehicle & Engine Multifunction Display (VEMD) improve operational efficiency and safety in the ACH125?