Numbers Flashcards
What is the engine shaft horsepower rating?
1940 SHP
What is your TGT 12 second transient range?
903 - 949 C
What is your TGT 2.5 minute transient range (contingency power)? (Not limited by DEC)
878 - 903 C
What is your TGT 10 minute limit range? (Not limited by DEC)
851 - 878 C
What is your TGT 30 minute limit range?
810 - 851 C
What is your normal TGT limit range?
0 - 810 C
What are your main rotor overspeed numbers?
*
- *
- **
- 127% Nr
** 137% Nr
*** 142% Nr
ENG OUT audio comes on at __% Ng
55% Ng
HMU fuel pressure output is ___ psi
832 psi
Name the 5 abort start criteria in the Starting Engines checklist
(a) No TGT rise within 45 seconds
(b) No ENG OIL PRESS within 45 seconds
(c) No Nf or Nr indications within 45 seconds
(d) ENGINE STARTER caution light goes off before 52% Ng speed
(e) TGT reaches 851 C before 63% Ng
The Engine Starter drops out at __ - __% Ng on engine start
52 - 65% Ng
What are your minimum limits for performing a cross-bleed engine start?
Ensure the operating engine is at a minimum of 90% Ng, rotor RPM is at 100%, and AIRSOURCE HEAT/START Switch is in ENG
What are the Nf avoid ranges?
20 - 40% and 60 - 90%
What 5 lights bring on the backup pump?
1 RSVR LOW
APU ACCUM LOW
What 10 light illuminate during the Hydraulic Leak Check in the Starting Engines checklist?
#1 RSVR LOW #2 RSVR LOW BACKUP RSVR LOW MASTER CAUTION X2 SAS OFF BOOST SERVO OFF #1 TAIL RTR SERVO
3 - 5 seconds later
#2 TAIL RTR SERVO BACKUP PUMP ON