Operations & Performance

Question 1

Reasons for specifying a maximum reawards airspeed for a helicopter include …

Answer 1

to preserve longitudinal stability and prevent exhaust ingestion

CASR 91.090 All flights—airspeed limits

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.1.1 Maximum Reaward Speed

Question 2

When planning a flight, a weather briefing is required …

Answer 2

in all circumstances

Part 61 MOS schedule 3 Unit 1.9.7 COPH 1.7.1 Mandatory Weather Briefing

Question 3

The purposeof specifying a maximum rotor RPM for power off opertaions is …

Answer 3

to prevent blade tip velocities from reaching sonic speeds and to protect the rotor hub against excessive stresses

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.1.1 Maximum RPM

Question 4

The OAT in the morning is +8 degrees C and in the afternoon it is +23 degrees C.
Assuming the QNH reamins constant, from the morning to afternoon the density alititude has increased by …

Answer 4

1800ft

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 2.1 Dendity Height

Question 5

Refer Bell 206L Flight Manual Extract

You are sonducting cargo operations with part of the cargo being an external load of 68kg. There are no performance limitations to consider. To the nearest whole kilogram, the maximum permitted All Up Weight (AUW) of the helicopter for this operation is …

Answer 5

between 1904kg and 1905kg

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.1.1 MTOW/MAW

Question 6

To use a Basic HLS, it is recomended that the HLS …

Answer 6

be used in VMC by day only, under CASR part 91 operations, and have a TLOF with surface characteristics that are strong enough to withstand the dynamic loads imposed by the helicopter

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.2.1 Helicopter Landing Sites

Question 7

Given the following data:

Pressure height - 2500ft
OAT - +6 degrees C
Your calculation of the density height is …

Answer 7

2020ft

Psrt 61 MOS Schedule 3 Unit 1.9.5 COPC 2.1.1 Calculate Density Altitude

Question 8

Given the following data:

HLS elevation - 5000ft
QNH - 996 HhPa
OAT - +14 degrees C
Your calculation of the density height of the HLS is …

Answer 8

6710 ft

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 2.1 Calculate Density Height

Question 9

You have the following flight planning information:

Flight plan track - 088 degrees M
Terrain elevation - 2600ft
Overcast cloudbase - 4000 ft
The cruising level which complies with the VFR and the table of cruise levels is …

Answer 9

A035

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.7.6 Selection of Cruise Level

Question 10

Refer Bell 206L Flight Manual Extract:

Given the following information:
SGR - 0.63 nm/lb
Wind - 33kt tailwind component
TAS - 115kt
To the nearest whole lb/hr, your calculation of the fule flow is …

Answer 10

235 lb/hr

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 3.1.1 Fuel Flow

Question 11

Refer Bell 206L extract:

Given the following data:
ZFW - 1715kg
Moment - 54588.5 kg.mm/100

To the nearest whole millimeter, your calculation of the distance the CG will move if a rear seat passenger weighing 73kg moves to the middle rom of seats is closest to …

Answer 11

between 40 mm forwards and 42 mm forwards

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.6.2 Adjustment of Load

Question 12

Refer Bell 206L Flight Manual Extract

Given the following information:
Pressure Altitude - 2000 ft
OAT - +30 Degrees C
Power - MCP
Gross Weight - 1497 kg
Doors - on
Your derermination of the best rate of climb is cosest to …

Answer 12

1540 fpm

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 3.1.1 Best ROC

Question 13

At a take off torque power setting of 90%, the VNE speed of a Bell 206L-1 LongRanger II helicopter operating with the doors off at PA of 5000 ft and OAT of 20 degrees C is …

Answer 13

84 Kt IAS

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.1.1 VNE

Question 14

Compared to the position of the PNR in nil wind, the position of the PNR when there is a strong tailwind component outbound will be …

Answer 14

closer to the departure point

Part 61 MOS schedule 3 Unit 1.9.5 COPC 5.3.1 Effect of wind on PNR

Question 15

A CASR Part 133 flight has a planned ETD for a flight from Sunshine Coast to Hervey Bay of 12.07pm on August 3rd. On the ATS Flight Notification (Australian Domestic Flight Plan Form) The correct entry for the EOBT field is …

Answer 15

0207

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.7.6 completed a flight plan form

Question 16

When a weight is multiplied by its horizontal distance from the datum, the resulting product is known as the …

Answer 16

moment

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 4.2.1 Momnets

Question 17

The purpose of specififying a maximum rotor RPM for power on operation is to …

Answer 17

protect the engine and transmission against excessive stresses

Part 61 MOS Schedule 3 Unit 1.9.5 COPC 1.1.1 Maximum RRPM Power on

Question 18

Before flight, the pilot in command must ensure the maintenance release for the aircraft is …

Answer 18

valid, current and signed off on the daily inspection

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.7.1 Daily Inspections

Question 19

Refer Bell 206L Flight Manual Extract

Given the following information:
HLS ELV - 1800 ft
OAT - +8 degrees C
QNH - 1033 HPA
Helicopter Gross Weight - 1680 kg
Skid Height - 10ft

Your determination of the maximum forward airspeed for operations outside the shaded area of the Height Velocity diagram is closest to …

Answer 19

43 KIAS

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.1 Height Velocity Diagram

Question 20

Refer Bell 206L Flight Manual Extract

Given the following information for an internal load operation:
Pilot weight - 83kg
Combined passenger weight - 452kg
Baggage weight - 25kg
Fule SG - 0.815
There are no performance limitations to consider.
Your calculation of the maximim fuel (to the nearest whole litre) you could now load onto the helicopter is …

Answer 20

307lt

Part 61 MOS Schedule 3 Unit 1.9.7 COPH 1.7.6 Fuel Capacity