Ha-420, Ata 5-12, Aircraft General

Front 1

hourly inspection schedules and tolerance

Back 1

600 hour servicing, lube, insp/check, +\-60 hours not cumulative.

Front 2

other than hourly inspection schedules and tolerance

Back 2

outside 600 hour, +\-60 hours or 10%, not cumulative.

Front 3

unscheduled inspections

Back 3

Unscheduled maintenance (accidents, bird stole, etc)

Front 4

calendar based inspection and tolerance

Back 4

+\-30 days, not cumulative

Front 5

Total length

Back 5

42’

Front 6

Total height

Back 6

15’

Front 7

Wingspan

Back 7

40’

Front 8

Horizontal stab span (legacy)

Back 8

14’

Front 9

Horizontal stab span (elite)

Back 9

15’

Front 10

3 point jacking, pad locations

Back 10

L and R forward mid flap fairing, R fwd fuselage, tail stand

Front 11

protractor locations, weighing

Back 11

Cockpit floorboard longitudinal, cabin floorboard lateral

Front 12

aircraft Configuration for jacking

Back 12

Wheels down, flaps up, brake off

Front 13

Single point jacking location

Back 13

MLG trailing link, forward of axle fitting, brake off

Front 14

Which procedures require level

Back 14

AHRS cal, w/b

Front 15

Aircraft configuration for weighing

Back 15

“Basic empty weight”, unusable fuel, full eng oil, full hydraulic, full oxy, toilet empty, refrigerant serviced, charts/books

Front 16

How to control aircraft speed taxi

Back 16

Throttle, brakes

Front 17

Directional control taxi

Back 17

Rudder pedals, throttle

Front 18

Prep for towing

Back 18

Remove nose wheel torque link, tow bar on axle

Front 19

Prep aircraft for outside parking extended period

Back 19

Ground point L/R pylon, moor L/R pylon/tail, engine preserved, inlet/exhaust/discharger/pitot covers, chock.

Front 20

Max ramp weight (legacy)

Back 20

10,680

Front 21

AMM chapter external placards

Back 21

Ch. 11

Front 22

Type of info on external placards

Back 22

Operating/maint instr/warn for injury or damage

Front 23

Where to find external placards

Back 23

Outside pressure vessel next to component

Front 24

Refueling location

Back 24

RH aft fuselage

Front 25

Refueling procedure

Back 25

Master switch on power fuel control panel,light for each tank=full

Front 26

Defueling procedure

Back 26

Disconnect fuel supply at engine, turn boost pump on

Front 27

Sump drains

Back 27

Sample fuel, 3 center belly, 2 ea fwd/aft L/R wing

Front 28

Hydraulic reservoir location

Back 28

Lower Rh aft of lower fairing

Front 29

Discharge hydraulic reservoir

Back 29

Discharge accumulators with 2 dump valve manual relief valves

Front 30

Charge hydraulic reservoir

Back 30

Connect hand pump to refill port, full to 0psi/full

Front 31

Max ramp weight (elite)

Back 31

10,780

Front 32

Oxy service location

Back 32

Aft interior wall nose baggage

Front 33

Oxy service procedure

Back 33

Remove fill port cap, attach oxy, follow cart instr, full 1800-1850 psi, shut off oxy, disconnect, replace cap

Front 34

Engine oil service location

Back 34

Outboard side of engine

Front 35

Engine oil add

Back 35

Check oil level 5-30 min after shutdown, add if needed

Front 36

Engine oil remove

Back 36

Drains on filter bowl, 2 ea intermediate case, 2 ea accy gearbox

Front 37

Internal toilet service

Back 37

Cap and remove container, add clean fluid prior to install

Front 38

External toilet service

Back 38

Door Rh side fuselage, aft engine fairing. Full/waste valve open, discharge into service cart. Pump clean fluid in

Front 39

datum point

Back 39

5.612” forward of nose

Front 40

fuselage stations

Back 40

0-460 perpendicular to longitudinal axis

Front 41

water lines

Back 41

Height along fuselage vertical axis, WL 0 9.25 from bottom

Front 42

wing stations

Back 42

Lateral axis, 0-220.472

Front 43

vertical stab stations

Back 43

Perpendicular to vertical stab aft spar, start at WL 49.260

Front 44

horizontal stab stations

Back 44

Perpendicular to horizontal stab spar, start at BL 0

Front 45

stringer location

Back 45

Begin BL 0, 1L/R-11L/R, top to bottom