1. BASIC LIMITS - Sheet1 (1) Flashcards
Min Crew required to operate the helo under normal conditions are?
pilot, copilot, aircrewman
419 T5
769° CONTINUOUS
810° 30 MIN MILITARY
829° 10 MIN MAX
416/416A T5
713° CONTINUOUS
753° 30 MIN MILITARY
773°/792° 10 MIN MAX
T5 INDICATION OF A HOT START
650°
T5 Peak Momentary
900
T5 INDICATIONS OF A POST ENGINE SHUTDOWN FIRE
320°
2 Engnine Overheat Warning
302°C/ 575°F
Ng GROUND IDLE
60.5-70% (VARIES W/ OAT)
Ng STARTER DROPOUT
51-58%
Ng NORMAL OPERATION
60.5-101.1%
Ng MAX
101.10%
Ng TRANSIENT
102.9% for 30 seconds
Normal Starter Engagment to Gnd Idle
60 sec
ALL Ng Limits
60.5 – 70 Ground Idle – Varies w/ OAT (2.1.9)
51 – 58 Starter Dropout (2.1.11.1)
60.5 – 101.1 Normal Operation (Fig 4-1 Sheet 1 of 3)
101.1 Maximum Military Operation (Fig 4-1 Sheet 1 of 3)
102.9 30 Sec Max (Fig 4-1 Sheet 1 of 3)
20 Minimum for Engine Start – Introduce Fuel (7.4)
26-32 Max Ng Start
Nf NORMAL OPERATION
100-105%
Nf MAX
110%
Nf TRANSIENT
111- 125% (5SEC)
Nf OVERSPEED (Momentary)
129%
What does Nf over speed do?
Reduces Wf to 75 +/- 2% Ng
All Nf Limits
111 – 125 5 sec (4.2.1.3.2)
110 +/- 2 Overspeed Protection Activates – Reducing WF to 75 +/- 2%Ng (2.1.6)
110 Maximum (Fig 4-1 Sheet 1 of 3)
100 – 105 Normal Operation (Fig 4-1 Sheet 1 of 3)
Q NORMAL
100%
Q PRECAUTIONARY
100-137%
Climb Q for <60K? >60K?
110%; 121%
Q 30MIN MILITARY
121%