Operating Procedures Flashcards by sam chaloner

Define primary structures

The structure that carries flight, ground, loads, and whose failure would reduce the structural integrity of the airplane or may result in injury or death

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Define secondary structures

These are not primary load-carrying members and their failure would not reduce the structural integrity of the aircraft.

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Define tertiary structures

These components do not form an integral portion of the fuselage

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What is the manufacturer’s datum point (MDP)?

The MDP is the point from which the manufacturer lays down the start of airframe construction and from where all measurements are taken.

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What is the Trim datum point (TDP)?

The TDP is the reference from which load arms are measured

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What can a FW aircraft in flight be regarded as in terms of aircraft weight and CofG?

A loaded beam

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What is CofG?

The point of equilibrium

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What is the mean aerodynamic chord (MAC)?

The average distance, from the leading edge to the trailing edge over the length of the wing

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What is the leading edge MAC (LEMAC)?

The forward datum point of MAC (0%MAC), not to be confused with the well-known comedian, Lee Mack

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How do you calculate MAC? (Not % MAC)

Gross wing area / wing span

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What three types of aircraft load are there?

Variable load
Expendable load
Payload

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What comprises basic weight?

Weight of structure, power plants and other integral a/c systems
Oils and hydraulics
Basic equip, common to all roles
Unusable fuel

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What comes under variable load?

Additional role equipment
Additional crew
Loady equipment (NVGs, etc)
Galley supplies

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What is expendable load?

Armanents
Airdrops of cargo or personnel
oxygen
Domestic water
Humidifying water

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What is payload?

Cargo / pax carried all the way to a destination

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What comprises Dry Operating Weight (APS Weight)?

Basic weight + light crew + variable load (Part 1 of trim sheet)

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What comprises zero fuel weight?

DOW / APS Weight + Expendable load + Payload

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What comprises All up weight at TO?

ZFW + Usable fuel at TO

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What is Military Operating Standard weights (MOS)?

Increased weight limits for specifically authorised operational conditions in exceptional circumstances

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When would an aircraft be re-weighed?

Engine changes
Major servicing
Modification or change of basic role fit

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How do you calculate %MAC?

CofG Flt Stn - LEMAC / MAC x 100

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What threats are there to a/c structural integrity?

Operational hazards
Corrosion
Stress corrosion cracking

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What are the restraint factors for all directions?

Fwd = 3g
Aft = 1.5g
Vertical up = 2g
Vertical down = 4g
Laterally = 1.5g

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What two types of beams will you find in the structure of an aircraft?

Transverse (lateral) floor beams

Longitudinal beams

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What are the FuT's lateral loading limits?

Outer panels - 1500kg Treadway - 6000kg Centre panel - 1600kg

What is the max PSI for a tyre without a floor protection kit?

100psi

What is the maximum axle load for the FuT?

4500kg per Axle (main floor and ramp)

What is the ramp limitation with ADS arms connected / Struts NOT deployed?

3000kg

What is the ramp limitation with ADS arms connected / Struts deployed?

6000kg

What is the horizontal ramp limitation with ADS arms not connected / Struts NOT deployed?

2000kg

What are the main floor tie down shackles rated to?

9000kg

What are the ramp tie down shackles rated to?

4535kg

What is the max weight per ramp toe?

5000kg

What is the max weight of a single haul with the winch?

9000kg

What are the longitudinal limits of the FuT Fwd of TDR 10?

10000kg/m

What are the longitudinal limits of the FuT Aft of TDR 31?

10000kg/m

What are the longitudinal limits of the FuT TDR 10-31?

20000kg/m

What is the loading limit of the main floor?

25000kg

What is the loading limit of the ramp?

6000kg

What is the compartment load limitation for compartment A (TDR 1-4)?

4000kg

What is the compartment load limitation for compartment B (TDR 4-8)?

11000kg

What is the compartment load limitation for compartment C (TDR 8-12)?

17000kg

What is the compartment load limitation for compartment D (TDR 12-16)?

22000kg

What is the compartment load limitation for compartment E (TDR 16-23)?

25000kg

What is the compartment load limitation for compartment F (TDR 23-27)?

22000kg

What is the compartment load limitation for compartment G (TDR 27-31)?

16000kg

What is the compartment load limitation for compartment H (TDR 31-34)?

8000kg

What is the compartment load limitation for compartment J (TDR 34-39)?

3000kg

What is the compartment load limitation for compartment K (TDR 39-42)?

3000kg

What is LEMAC of the FuT?

FS 2034

What is TEMAC of the FuT?

FS 2593

What is MAC length of the FuT?

559

What is the fuel arm of the FuT?

FS 2200

What types of shoring are there?

``` Rolling shoring Step up shoring Approach shoring Parking shoring Sleeper shoring ```

What is the max Floor loading intensity (FLI) of the FuT?

7kg/cm2

How do you calculate FLI for a flat based box?

W / L x B

How do you calculate FLI for a flat based drum?

W / D x D x 0.8

How do you calculate FLI for a rimmed drum?

W / Outer - Inner

How do you calculate FLI for a flat based box with loadspreaders?

W / (L + 2T) x (B + 2T)

How do you calculate FLI for a flat based drum with loadspreaders?

W / (D + 2T) x (D + 2T) x 0.8

What are the MFCI weights?

``` M = 88kg F = 70kg C = 35kg I = 0kg ```

What is the max amount allowed in the tank of a vehicle in a bridged load?

1/4

What is the rule of thumb formula?

W x Retsraint factor / 1/2 weakest point

How do you calculate actual restraint?

L of tie-down device / effective (vertical/lateral/aft/fwd) length x rated restraint of device

What is the minimum clearance between any part of the load and the A/C structure when loading / offloading?

1 inch

What is the minimum clearance between any part of the load and the A/C structure when secured in place?

3 inches

What are the minimum safety distances for netted loads with passengers?

Cargo and pax - Long: 45 inch Lat: 23 inch | Cargo - Long - 37 inch Lat: 19 inch

What is the closest distance ACHE can come within the ramp?

4 inches

What is the ready access criteria?

14 inches between cargo and fuselage wall, does not need to maintain 14 vertically but must be 14 inches at the waist, a reduction to 8 inches is acceptable.

What is modular equipment?

E.g. comfort pallet, VIP cabinet, comms and surveillance unit