Q and A Learjet 60 (Landing gear and Brakes)

Question 0

Main gear down and locked confirmed by ___________. (2)

Answer 0

Landing lights
and
Green Dn and lock

Question 1

Landing gear ________ selected and_________ actuated.

Answer 1

DC electrically

Hydraulically

Question 2

Nosewheel down and locked confirmed by ___________. (2)

Answer 2

Green Down light
and
Noseweel steering arming

Question 3

Landing gear warning horn sounds and CAN be silenced when ____________. (3 conditions)

Answer 3

Gear not down and locked with altitude less than 16 300’
airspeed less than 170 KIAS
and
at least 1 TL is at or below 60% N1

Question 4

Landing gear warning horn CAN NOT be silenced when ___________. (2 consitions)

Answer 4

Gear not down and locked
and
flaps set at greater than 25 degrees

Question 5

Gear and door sequencing controlled by ___________.

Answer 5

Microswitches

Question 6

Squat switches provide signals to ____________________. (10)

Answer 6

FADEC, Stall Warning, Anti-Skid
Gear control, autospoilers, Stab HT
TO warning horn, APU, TR’s
Squat switch relay box

Question 7

Squat switch relay box provides signals to_____________________. (14)

Answer 7

Nosewheel streering, Cab Press, Whindshield Ht,
Mach Trim TEST, TO Trim light, Spoiler MON
Gen current limiter(GCU) Airstart relay
Stall Warning light and shaker FUS FILL Hobbs meter
Davtron clock TAT HT

Question 8

Tire Pressure ( Main - Nose) – ( loaded - on jacks) is ______.

Answer 8

209 - 219

109 - 105

Question 9

Nosewheel strut fork should be ___________.

Answer 9

Left side.

Question 10

Alternate - Free Fall extension use _______.

Answer 10

Nitrogen

Question 11

Gear and brakes indicators powered by ______.

Answer 11

28 VDC

Question 12

Alternate (blow down) extension will ________. (3)

Answer 12

Release nose and main door uplatches
open main gear inboard doors
extend all 3 gears

Question 13

After use, Blow Down lever should be ________.

Answer 13

Left down

Question 14

After use, Free Fall lever should_________.

Answer 14

Be repositioned UP

Question 15

Gear indicatorlights after Blow Down or Free Fall will be _______.

Answer 15

3 Green and 2 Red (main doors)

Question 16

With no residual Hyd press, Free Fall should lock gear in ______.

Answer 16

15 secs.

Question 17

Restrictor in the nose gear line ____________.

Answer 17

Creaytes back pressure and snubs wheel rotation on retraction

Question 18

After TO from snow, slush, Ice __________. (2)

Answer 18

Anti-skid OFF and then pumps the brakes 6-10 times

Question 19

Anti-Skid activates at a speed greater than ____ kts.

Answer 19

4

Question 20

Anti-Skid is unavailable with ________________. (5)

Answer 20

1- Parking brake handle OUT
2- Emer Braking
3- Anti-Skid switch at OFF
4- Emer Bus (DC)
5- Syst failure

Question 21

Nosewheel steering max deflection at ( 2 and 85 kts) is ______.

Answer 21

60

and

0

Question 22

Nosewheel steering disengages at _____ kts.

Answer 22

90

Question 23

Nosewheel steering is armed by ________. (2)

Answer 23

MSW (press and Hold)

and

ARM switch

Question 24

Nosewheel steering is powered by ___________.

Answer 24

28 VDC and also 115 VAC

Question 25

Loss of one wheel sensor __________.

Answer 25

Limites steering to 24 degrees thru MSW.