Engine parameters

Question 1

SHP

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 1

Start : -
Transient : -
Takeoff: 1,279
Continuous : 1,214
Cruise : 1,106
Reverse : 900
Idle : -

Question 2

TRQ

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 2

Start : -
Transient : 50,00
Takeoff : 39,50
Continuous : 37,50
Cruise : 37,50
Reverse : -
Idle : -

(1) Normal limits apply when RMP 1000-1700. If RPM < 1000, TRQ limit 2000

Question 3

ITT

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 3

Start : 1,000
Transient : 870
Takeoff : 800
Continuous : 780
Cruise : 760
Reverse : 760
Idle : 750

Question 4

NG (N1)

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 4

Start : -
Transient : 104
Takeoff : 104
Continuous : 104
Cruise : 104
Reverse : -
Idle : (min) 65

Question 5

PROP RPM

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 5

Start : -
Transient : 1,870
Takeoff : 1,700 (1,735 if oil cold)
Continuous : 1,700
Cruise : 1,700
Reverse : 1,650
Idle : (min) 950

Question 6

OIL PRESS

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 6

Start : 0-200
Transient : 40-200
Takeoff : 90-135
Continuous : “ “
Cruise : “ “
Reverse : “ “
Idle : (min) 60

(1) Normal oil press 90-135 requires N1 > 72%
(2) When TRQ < 3,000, min oil press 85 psi
(3) With oil press < 90, TRQ limit 2,000

Question 7

OIL TEMP

Start | Transient | Takeoff | Continuous | Cruise | Reverse | Idle

Answer 7

Start : -40 (min)
Transient : -40 - 110
Takeoff : 10 - 110
Continuous : 10 - 105
Cruise : “ “
Reverse : “ “
Idle : -40 - 110

(1) 105-110 allowed for 10 minutes

Question 8

TRQ - Notes (3)

Answer 8

1. Normal limits apply within RMP 1000-1700
2. TRQ limit 2,000 ft/lb with either
   a) RPM < 1000
   b) OIL PRESS < 90 psi
3. When TRQ < 3,000, min oil press 85 psi

Question 9

PROP RPM - Notes (2)

Answer 9

• With OIL TEMP cold, RPM up to 1,735 allowed for 5 minutes
• With RPM < 1000, TRQ limit 2000

Question 10

OIL PRESS - Notes (4)

Answer 10

1. Normal OIL PRESS range 90-135 psi applies to N1 speed > 72 %
2. With TRQ below 3,000 ft/lb, min OIL PRESS is reduced to 85 psi
3. With OIL PRESS < 90 psi, TRQ limit is 2,000 ft/lb
4. OIL RPESS fluctuations of +/- 10 psi is normal

Question 11

OIL TEMP - Note (1)

Answer 11

1. OIL TEMP normal range is up to 105, owever, 110 is limited up to 10 min

Question 12

Start (5sec) - limits

Answer 12

• ITT 1000
• OIL PRESS 0-200
• OIL TEMP (min) -40

Question 13

Take-off (5min) - Limits

Answer 13

• SHP 1,279
• TRQ 3,950
• ITT 800
• N1 104%
• RPM 1,700
• OIL PRESS 90 - 135
• OIL TEMP -10 - 110

Question 14

Transient (20sec) - Limits

Answer 14

• TRQ 5000
• ITT 870
• N1 104%
• RPM 1,870
• OIL PRESS 40 - 200
• OIL TEMP -40 - 110

Question 15

Continuous - Limits

Answer 15

• SHP 1,214
• TRQ 3,750
• ITT 780
• N1 104%
• RPM 1,700
• OIL PRESS 90 - 135
• OIL TEMP -10 - 105

Question 16

Cruise & climb - Limits

Answer 16

• SHP 1,106
• TRQ 3,750
• ITT 760
• N1 104%
• RPM 1,700
• OIL PRESS 90 - 135
• OIL TEMP -10 - 105

Question 17

Reverse - Limits

Answer 17

• SHP 900
• ITT 760
• RPM 1,650
• OIL PRESS 90 - 135
• OIL TEMP 10 - 105

Question 18

Idle - Limits

Answer 18

• ITT 750
• N1 (min) 65%
• RPM (min) 950
• OIL PRESS (min) 60
• OIL TEMP -40 - 110