Quick Reference Guide

Aerosoft – Digital Aviation
CRJ-700 CRJ-900
QUICK REFERENCE GUIDE
VOL
2
2-1-26
02-May-2017
FUEL TEMPERATURE
• Take-off with engine fuel temperature indications below 5°C (41 °F) is prohibited.
• Take-off with bulk fuel temperature indications below the limits stated is prohibited.
• During flight, bulk fuel temperature must remain above the applicable bulk fuel freezing
point.
FUEL
BULK FUEL TAKE-OFF LIMIT
MINIMUM TEMPERATURE
BULK FUEL FREEZING POINT
ASTM D 1‘655 Jet A
-30°C
-40°C
ASTM D 1‘655 JET A1
-37°C
-47°C
FUEL CROSSFLOW
Powered crossflow and gravity crossflow must be off for take-off.
AUXILLIARY POWER UNIT, APU
TYPE: Allied Signal RE 220 (RJ)
MAXIMUM RPM: 106%
STARTING:
1. Minimum ambient temperature for starting a cold soaked APU on the ground is -40°C
2. Maximum EGT (dependent upon altitude and temperature): 692 °C to 1‘038 °C
3. Maximum amount of start attempts in one hour: 3
A two-minute delay must be observed between cranking attempts to allow for cooling of starter
and starter contactor and for APU drainage.
OPERATING RANGE:
• Maximum EGT on ground: 682°C to 789 °C
• Maximum EGT in flight: 773 °C to 806 °C
• Maximum EGT: 1‘038°C (not to be exceeded under any conditions).