UH-60M Limits Flashcards

1
Q

NG Limits

A

0-105% Continuous

105-106% 12sec Transient

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2
Q

NP1/NP2 Limits

A

91-95% Transient
95-101% Continuous
101-105% Transient
105-107% 12sec Transient

(20-40% and 60-90% Avoid Ranges)

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3
Q

NR Limits (POWER-ON)

A

91-95% Transient
95-101% Continuous
101-107% Transient

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4
Q

NR Limits (POWER-OFF)

A

90-105% Normal
105-110% Transient
110% Maximum

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5
Q

TRQ (Q) Limits (DUAL ENG)

A

0-120% Continuous (80KIAS or below)
120-144% 10sec Transient

0-100% Continuous (Above 80KIAS)
100-144% 10sec Transient

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6
Q

TRQ (Q) Limits (SINGLE ENG)

A

0-135% Continuous

135-144% 10sec Transient

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7
Q

Rotor Brake Limits

A

76% NR - EMER Max Rotor Speed

<40% NR - ENG Off 150-180psi for >12sec

450/690psi - MIN/MAX Brake Pressure for ENG Rotor Brake Start

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8
Q

TGT Limits

A
0-793deg Continuous
793-846deg 30min Limit
846-879deg 10min Limit
879-903deg 2.5min Transient
903-949deg 12sec Transient

851deg ENG Start Abort

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9
Q

ENG Oil TEMP Limits

A

-20-135deg Continuous

135-150deg 30min

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10
Q

ENG Oil PRESSURE Limits

A

22-26psi Idle
26-100psi Continuous
100-120psi 5min

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11
Q

XMSN Oil TEMP Limits

A

-20-105deg Continuous

105-140deg Precautionary

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12
Q

XMSN Oil PRESSURE Limits

A

20-30psi Idle/Transient
30-65psi Continuous
65-130psi Precautionary

45-60psi Steady State

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13
Q

Bank Limits

A

+/- 60deg Max Roll
+/- 30deg Max Pitch

30deg PRI SERVO Fail Caution

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14
Q

Backup Pump Operation Limits

A

TEMP OPERATE/COOLDOWN

-54-32deg Unlimited
33-38deg 24min / 72min
39-52deg 16min / 48min

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15
Q

Slope Limits

A

15deg Nose Up / Left / Right
6deg HH-60 Nose Up with FLIR
6deg Nose Down

-2deg Slope per 5kts Wind

15kts Max Tailwind

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16
Q

ENG Starter Limits

A

15deg or below: 1start-60sec-1start-3min-1start-60sec-1start-30min

Above 15deg-52deg: 1start-60sec-1start-30min

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17
Q

UH-60M Max Weight

A

UH-60M: 22000lbs

UH-60M External Lift: 23500lbs
Lift Missions above 22000lbs can only be flown w/ cargo hook loads 8000-9000lbs

18
Q

Storage Compartment Max Capacity (lbs)

A

125lbs each

19
Q

Max Load of 4x Cabin Ceiling Tiedown Fittings

A

4000lbs

20
Q

Max Load of 17x Cargo Floor Tiedown Fittings

A

5000lbs in any direction

21
Q

Max Load of 8x Net Restraint Rings

A

3500lbs in any direction

22
Q

Max Weight for Cargo Hook

A

9000lbs

23
Q

Max Weight for Rescue Hoist

A

600lbs

24
Q

Max Airspeed OEI

A

130KIAS

25
Q

Max Airspeed Autorotation

A

16825lbs or less: 150KIAS

> 16825lbs: 140KIAS

Auto-Stab Fail: 120KIAS

Recommended: 80KIAS

26
Q

Max Airspeed SAS INOP

A

One SAS INOP: 170KIAS

Two SAS INOP: 150KIAS

Two SAS INOP in IMC: 140KIAS

27
Q

Max Airspeed Hydraulic System INOP

A

One HYD System INOP: 170KIAS

Two HYD Systems INOP: 150KIAS

Two HYD Systems INOP in IMC: 140KIAS

28
Q

Max Airspeed Landing Light

A

Extended prior to 130KIAS

MAX: 180KIAS

29
Q

Max Airspeed Searchlight

A

Extended prior to 100KIAS

MAX: 180KIAS

30
Q

Max Airspeed with Skis

A

155KIAS

31
Q

Max Airspeed Cabin Doors Open

A

145KIAS

Must be below 80KIAS to open Cabin Doors in flight.

32
Q

Max Airspeed Gunner/BAM Windows Open

A

170KIAS

BAM windows shall not be opened/closed above 120KIAS

33
Q

Airspeed Limits - Manual Stabilator Control

A

Vne variable - RED ARC

Stabilator set FULL DOWN below 40KIAS

Stabilator set to 0deg above 40KIAS

Autorotations limited to 120KIAS

34
Q

Landing Gear Limits

Touchdown Sink Rate

A

GROSS WEIGHT LEVEL / SLOPES

Up to 16825lbs: 540fpm/360fpm

Above 16825lbs: 300fpm/180fpm

35
Q

Touchdown Speed Limit

A

60kts Ground Speed

36
Q

Maneuver Limits w/ Rescue Hoist

A

Max Bank: 30deg

Rearward Flight: 35kts

Rate of Descent: 1000fpm

37
Q

APU Operating Limits

A

43deg and above w/ ENG and Rotor operating: 30min

W/o ENG and Rotor Operating up to 51deg: Continuous

APU OIL HOT - 30min cool period req

38
Q

BFT Temperature Limits

A

Normal Operating Range

-26deg - 71deg C

39
Q

Max Airspeed (Vne)

A

193KIAS

40
Q

High Speed Yaw

Abrupt Pedal Inputs

A

Avoid abrupt pedal inputs >80KIAS

41
Q

Windshield Anti-Ice Limits

A

Windshield Anti-ice check shall not be done when FAT > 27deg C