NATOPS Type Things

Question 1

OEI Contingency Power

Answer 1

The 419 engine has a one-engine inoperative (OEI) contingency rating of **5,000 shp at 100 percent Nf (157 percent torque) **on a 32 °C day at sea level conditions for two minutes, followed by one hour of operation at maximum continuous rated power. 419 engines may reach as high as 105 percent Ng and 925 °C during OEI operations. This contingency power shall only be used in the event of an OEI situation.

Question 2

____ longitudinal cyclic input can reduce clearance by ____ during HAAR

Answer 2

1in; 4 ft

Question 3

T5 all motors

Answer 3

1. 419
   * continuous: 769
   * 30 min: 810
   * 10 min: 829
2. 416A/416:
   * continuous: 713
   * 30 min: 753
   * 10 min: 792/773

Question 4

What is the purpose of SPPCs?

Answer 4

Performed to determine if the engine is producing minimum acceptable
power

Question 5

Single point auto-release

Answer 5

525+/-225

Question 6

AGB drives what

Answer 6

2 gen; 4 pumps
1. 1&3 Gens
2. 2&U hydraulic pumps, hyd start pump, AGB Oil pump

Question 7

Can you dump fuel from the aux tanks?

Answer 7

No

Question 8

What is the fuel dump rate?

Answer 8

75gpm (500ppm) per side

Question 9

Fuel Dump Limits

Answer 9

Airspeed: 90-130
Rate of Descent: <1500fpm
Pressure Altitude: >6000’

Question 10

The starter will not operate if any of the interlocks are in this configuration:

Answer 10

1. Puff light illuminated
2. Blade Safety Valve open
3. Pitch locks advanced
4. Rotor Brake not fully pressurized
5. Head not is start position
6. Mechanical Gust lock engaged

Question 11

The engine fuel control unit operates to:

Answer 11

Prevent 3, Govern 2 and shedule 1
1. rich/lean blowout, overspeeds, compressor stalls
2. Ng at Idle and Max
3. VGA