MH60T Trivia: #26-50 

This trivia series distills over 20 years of flight manual study into 500+ focused questions and answers, posted in 25 question sets. It’s not a substitute for the manual, but rather an aid to facilitate study and strengthen airmanship. During your review, ask yourself: How is this operationally relevant? Do I need to memorize it, or just be familiar with it? Should I review more on this topic? 

26. Q: Transmission oil temperature limits? 
A: -50-105°C normal, 105-120°C precautionary, 120°C maximum. 

27. Q: Nr limits (power on)?
A: 96-101 normal, 91-96 and 101-105 transient. 

28. Q: Nr limits (power off)? 
A: 90-105 normal, 105-120 transient. 

29. Q: Wind limits for rotor engagement/stop? 
A: Normal rotor start is 45 kts of wind in any direction, rotor brake start 60 kts w/in 45°of the nose, 45 kts not in 45°of the nose (tow into wind). 

30. Q: Max Nr before an overspeed? 
A: 120. 

31. Q: Nr at which overspeed messages capture? 
A: 127, 137, 142 (found on the 60T’s AC status page). 

32. Q: Max angle of bank normal ops? 
A: 45°

33. Q: Max angle of bank over 125 kts.? 
A: 30°

34. Q: Max angle of bank boost off or boost servo jam? 
A: 30° 

35. Q: Max angle of bank with #1 or #2 primary servo caution? 
A: 30°

36. Q: Max angle of bank above 10,000 DA? 
A: 30°

37. Q: Max angle of bank during instrument flight? 
A: 20°(roll coupler SRT or 22°AOB), recommended standard rate turns below 6000′, half standard rate turns above 6000′. 

38. Q: Why avoid prolonged downwind hovering or rearward flight? 
A: Exhaust fumes in cabin, heat damage to cabin door or cabin windows. 

39. Q: Max operating altitude? 
A: 13,000′ DA. 

40. Q: Hovering turns (rate limitation)? 
A: Hovering turns greater than 30°/sec are prohibited. 

41. Q: Practice auto restriction for maneuver termination? 
A: Practice autorotation to a touchdown shall not be conducted (recover no lower than 20’). 

42. Q: Minimum rotor brake pressure for rotor brake start? 
A: 450 psi. 

43. Q: Maximum rotor brake pressure on normal shutdown? 
A: 180 psi

44. Q: Maximum Nr when applying the rotor brake? 
A: 76% Nr

45. Q: Nr range for applying the rotor brake (normal shutdown)? 
A: 30-50% Nr

46. Q: Limitations with the EO/IR installed? 
A: Unless require by operational necessity, the EO/IR should be placed in Standby, Caged or Off for taxi, takeoff, and landing. 

47. Q: H60 dimensions? 
A: 64’10” long (65’), 17’ high, 7’9” wide (18’), 53’8” rotor diameter (54’). 

48. Q: H60 turning radius? 
A: 41’7” 180°, 84′ 360° 

49. Q: Vne? 
A: 180 kts

50. Q: Max airspeed with searchlight fixed in any other position than stowed (extended)? 
A: 160 kts (standard), 180 (dual white/IR).