CommutAir Embraer 145 Limitations from AOM R2

What is the maximum ramp weight?

53351 lbs

Minimum air temperature in cruise flight (altitude and TAT)

Over 25,000' minimum temperature -45�C TAT

What is the maximum take off weight?

53131 lbs

Maximum landing weight

44092 lbs

Maximum zero fuel weight

40785 lbs

Maximum cargo weight

2646 lbs.
80 lbs per square foot.
Below 2000 lbs of fuel, 1764 lbs.
One person.

Flap settings and speeds

Flaps 9 degrees, 250 knots.
Flaps 18 and 22 degrees, 200 knots.
Flaps 45 degrees 160 knots.

Maximum tailwind

10 knots

Maximum wing tank fuel usable?

5717 lbs

Wing tank fuel unusable?

39 lbs

Wing tank fuel unusable with any electric pump inoperative?

365 lbs

Maximum usable ventral tank fuel

1863 lbs

Unusable ventral tank fuel

21 lbs

Minimum fuel tank temperature?

-40�C

Maximum fuel tank temperature?

52�C

Maximum fuel imbalance

800 lbs

Minimum APU Start Temperature

-54� C TAT

Max APU operating altitude

37,000'

APU max start altitude

30,000'

Maximum APU rotor speed

108%

APU Rotor Automatic Shut Down Speed

104%

Maximum APU EGTs and times?

680�C or
717� for 5 minutes

Maximum APU starting EGT

884�C

APU starting time limits

For the first three attempts, one minute off in between, then 30 minutes off before each set of three.

When the APU is running what are the crew requirements?

At least one flight crew member

Engine type

Rolls Royce AE3007A1E

N1 max

100%

N2 max

103.7%

Maximum Starting ITT Engine?

Start 800�C

Maximum Continuous Engine ITT?

935�C

What are the maximum engine ITTs and times?

970�C for 5 minutes.
992�C for 90 seconds.

Engine oil pressure minimum

Below 88% N2 34 psi.
Above 88% N2 48 psi.
During takeoff or go around 34 psi.

Engine Oil Pressure Maximum

110 psi.
115 psi for 5 minutes.
155 psi for 2 minutes.
Total time over 110 5 minutes

What is the engine start minimum oil temperature?

-40�C, or -54�C with MIL-L-7808K

What is the minimum takeoff oil temperature?

21�C with an 8 minute warmup, otherwise 40�C.

What is the maximum oil temperature?

126�C

What is maximum low pressure spool vibration?

1.8 inches per second.

What is maximum high pressure spool vibration?

1.1 inches per second

What is the maximum vibration during takeoff and go around?

2.5 inches per second for five minutes.

What is the maximum vibration during all other flight phases?

2.5 inches per second for 10 seconds.

What is the required engine warm up time?

2 minutes, unless the engine has been off for 90 minutes in which case 4 minutes, or Oil Temperature is 21 to 40�C, then 8 minutes.

How and for how long must the engine cool down?

Two minutes at idle or taxi thrust before shutdown.

Engine starter time limit on the ground

For starting or motoring, up to 5 minutes on 5 minutes off.
For starting cycles one through four one minute on and one minute off. For following start cycles one minute on and five minutes off.

Starter limit in air

Max continuous operation 5 minutes on

Maximum Windshield Wiper
Speed

170 knots

Engine and APU generator max load

400 Amps. For APU over 30000' 300 Amps

Max pressure differential

7.8psi

Max over pressure differential

8.1psi

Max negative pressure differential

-0.3psi

Max altitude for flap extension

20,000 ft

Max airspeed after takeoff, during climb without trimming

160 knots

Max temp for anti ice equipment

10�C

Minimum temp for anti ice equipment

-40�C for manual operation

Holding configuration

Gear up.
Flaps up.
Minimum airspeed 200 knots.

Minimum auto pilot altitude on ILS approach

200' AGL

Minimum auto pilot engagement height

500' AGL

Minimum auto pilot use height

160' AGL

Maximum gear retraction speed

200 Knots

Maximum gear extension speed

250 knots

Maximum gear operation speed

250 knots

Maneuvering Speed

200 knots

Maximum V speed

320 Knots

Maximum Mach Speed

Mach 0.8

Minimum Battery Temperature to Start

-20�C

Maximum Battery Temperature

70�C

What Takeoff Thrust Modes are permitted?

Alt T/O-1
T/O
E T/O