ERF Engine?
PW4062A
8F Engine
GEnx-2B67/P
occasionally non P engines fitted
Engine Anti Ice
- ON All ground ops in icing condition
- ON/Auto in flight in icing conditions
- except below -40 deg
- above 10 deg TAT or OAT
Icing conditions
- 10 deg and below (TAT air / OAT ground)
- Visible moisture (fog vis less 1sm / 1600m)
Prohibited Types of Fuel
Jet B or JP-4
Types of Fuel
ERF - Jet A / A-1 or JP-5
8F - Jet A / A-1 or JP-5, JP-8 or TS-1
Max fuel tank temp
- 54 deg
Min Fuel tank temp
ERF - -43 or 3 deg above freezing temp (higher of)
8F - -48 or 3 deg above freezing temp (higher of)
ERF Engine Temp Limits
GND Start - 535 deg
Air Start - 650 deg
TO - 650 deg (5 min / 10 min EO)
Max Continuous - 625 deg
8F Engine Temp Limits
GND Start - 750 deg
Air Start - 875 deg
TO - 1060 deg (5 min / 10 min EO)
Max Continuous - 1030 deg
ERF Oil limits
Max Temp - 177 deg
Max Continous - 163 deg
Min TO - 50 deg
Min Pressure - 70 psi
8F Oil limits
Max Temp - 177 deg
Max Continous - 160 deg
Min TO - Temp rise
Min Pressure - 10 psi at idle
ERF CON Ignition
- Heavy Rain
- Mod/Sev Turb
- Volcanic Ash
- Icing Conditions
- Contaminated RWY
- Auto trailing edge flaps & NAC ON
8F Tailwind/Crosswind limits
- Xwind >35kts Taxi thrust limit 45% N1
- > 5 Tail & >26 Xwind Taxi thrust limit 45% N1
- Winds >55kts Taxi Idle Thrust only
- Shut engine down if 90deg xwind >55kts
8F Vibrations in Icing Conditions
- Do not take off above 4 units
APU min alt
- On ground do not operate below - 1000’ pressure alt
APU to Pack with engine failure
- Do not change bleed configuration until flap retraction!
APU for Electrical Power
- Ground only
APU Max Alt
- 20’000’
APU Bleed Max Alt
- 15’000’
APU Inflight Start
Do Not Start Inflight!
ERF Engine Starter Limits
- Max reengagement 20% N2
ERF Engine Starter Duty Cycle
- 5 min then 0% N2
- 5 min then 0% N2
- 20 min cooling
- 5 min then 0% N2
8F Ground XWind Engine Limt
- Shut down if 90 deg Xwind exceeds 55 kts
