Limitations - LIM-70 Power Plant

Question 1

096- Power Plant:

Thrust Setting/EGT Limits:

THR/TIME/EGT Limit A321

LIM-70

Answer 1

THR/TIME/EGT Limit on A321

TAKEOFF & G/A / 5 Min / 650° C

TAKEOFF & G/A N-1 / 10 Min / 650° C

MCT / Unlimited / 610° C

STARTING / NIL / 635° C

Question 2

097- Power Plant:

Thrust Setting/EGT Limits:

THR/TIME/EGT Limit A320

LIM-70

Answer 2

THR/TIME/EGT Limit on A320

TAKEOFF & G/A / 5 Min / 635° C

TAKEOFF & G/A N-1 / 10 Min / 635° C

MCT / Unlimited / 610° C

STARTING / NIL / 635° C

Question 3

098- Power Plant:

OIL:

OIL Temp.

LIM-70

Answer 3

OIL Temperatures:

Minimum Starting Temp.

— -40 °C

Minimum Prior to Exceeding Idle

— -10 °C

Minimum Prior to TakeOff

— +50 °C

Max Continuous Temp.

— +155 °C

Max Transient Temp. (For 15 Min Max.)

— +165 °C

Question 4

099- Power Plant:

OIL:

Minimum Oil Pressure

LIM-70

Answer 4

Minimum Oil Pressure

— 60 PSI

Question 5

100- Power Plant:

RPM:

N1 / N2 Max

LIM-70

Answer 5

N1 / N2 Max

— 100%

Note:

N1 Depending on Ambient Conditions and ENG AirBleed Config, refer to Performance/Thrust Ratings as the

N1 Value can be Lower

Question 6

101- Power Plant:

Starter:

Start Limitations

LIM-70

Answer 6

• 3 Consecutive Cycles:

— 2 Cycles of 2 Min, Followed by a 1 Min Cycle

— Pause Between Start Attempts: 15 Sec

• Cooling Period, Following 3 Start Attempts or 4 Min

of Continuous Cranking:

— 30 Min

• No Running Engagement of the Starter, when N2 is:

— Above 10 % on Ground, and 18 % in Flight

Question 7

102- Power Plant:

Reverse Thrust:

Usage

LIM-70

Answer 7

• It is Prohibited to

— Select REV THR Inflight

— Use REV THR to Back Up the A/C

• Max. REV Should not be Used Below 70 Kt
• Idle REV is Permitted Down to Aircraft Stop

Question 8

103- Power Plant:

Reduced Thrust TakeOff

ALL A320

LIM-70

Answer 8

• Thrust Reduction must Not Exceed 25% of:

— the Full Rated TakeOff Thrust

• To Meet this Requirement, the Flexible Temperature must:

— Be ≤ ISA +55° C (T MAX FLEX of 70° C)

• The Assumed Temp. Must be ≥ the Flat Rating Temp.

or ≥ the Current OAT

• TakeOff at Reduced Thrust is Not Permitted On:

— Contaminated Runways

• FLEX TakeOff is Permitted with Any Inoperative Items if:

— The Associated Performance Shortfall has been

Applied to the Performance for T/O

Question 9

104- Power Plant:

Reduced Thrust TakeOff

BHTD to BHTI

LIM-70

Answer 9

• Thrust Reduction must Not Exceed 25% of:

— the Full Rated TakeOff Thrust

• To Meet this Requirement, the Flexible Temperature must:

— Be ≤ ISA +42° C (T MAX FLEX of 57° C)

• The Assumed Temp. Must be ≥ the Flat Rating Temp.

or ≥ the Current OAT

• TakeOff at Reduced Thrust is Not Permitted On:

— Contaminated Runways

• FLEX TakeOff is Permitted with Any Inoperative Items if:

— The Associated Performance Shortfall has been

Applied to the Performance for T/O

Question 10

105- Power Plant:

Reduced Thrust TakeOff

BHTJ to BHTK

LIM-70

Answer 10

• Thrust Reduction must Not Exceed 25% of:

— the Full Rated TakeOff Thrust

• To Meet this Requirement, the Flexible Temperature must:

— Be ≤ ISA +54° C (T MAX FLEX of 69° C)

• The Assumed Temp. Must be ≥ the Flat Rating Temp.

or ≥ the Current OAT

• TakeOff at Reduced Thrust is Not Permitted On:

— Contaminated Runways

• FLEX TakeOff is Permitted with Any Inoperative Items if:

— The Associated Performance Shortfall has been

Applied to the Performance for T/O

Question 11

106- Power Plant:

Cross Wind Operation On Ground:

Start X-Wind

LIM-70

Answer 11

This Engine is Capable of Starting in Crosswinds Up To:

— 35 Kt