What are the TRQ takeoff/max limits?

What are the TRQ takeoff/max limits?

• A. 100% max
• B. 100-108.5%; 108.5% max (5 min)
• C. 108.5% max (5 min)
• D. 90% max

Answer: (B)

During takeoff you’re allowed a small over-torque to ensure the engine can deliver the necessary climb performance. The takeoff/max torque envelope is 100% up to 108.5%, with 108.5% being the ceiling that can be held for a limited time. Specifically, you can apply torque anywhere from 100% to 108.5%, and you may sustain 108.5% for up to five minutes. Beyond that duration or above that level is not permitted. This setup allows a short, controlled over-torque for takeoff while protecting the engine from damage during longer operations. The other options don’t fit because they either restrict to 100% only, specify a single maximum without the takeoff range, or set an entirely different limit (like 90%), which wouldn’t accommodate the necessary takeoff performance.

During takeoff you’re allowed a small over-torque to ensure the engine can deliver the necessary climb performance. The takeoff/max torque envelope is 100% up to 108.5%, with 108.5% being the ceiling that can be held for a limited time. Specifically, you can apply torque anywhere from 100% to 108.5%, and you may sustain 108.5% for up to five minutes. Beyond that duration or above that level is not permitted.

This setup allows a short, controlled over-torque for takeoff while protecting the engine from damage during longer operations. The other options don’t fit because they either restrict to 100% only, specify a single maximum without the takeoff range, or set an entirely different limit (like 90%), which wouldn’t accommodate the necessary takeoff performance.