HSM 72 Pilot Signals

Question 1

Affirmative

Answer 1

Thumbs up

One flash on flashlight

Question 2

Negative

Answer 2

Thumbs down

Two flashes

Question 3

Troubleshooter Required

Answer 3

Trouble T + number of fingers

Move flashlight in square pattern followed by 1-6 flashes as req

Question 4

Troubleshooter Numbers

Answer 4

1 - D
2 - E
3 - M
4 - O
5 - T
6 - FDC

Question 5

Cleared In/Out of Rotor Arc

Answer 5

Thumbs up

One flash

Question 6

APU Start

Answer 6

Three fingers raised moving hand in circular motion

Three flashes followed by circular motion

Question 7

APU Shutdown

Answer 7

Three fingers raised followed by cut signal

Three flashes followed by cut signal

Question 8

Rotor Engagement/Disengagement

Answer 8

Engage: tap top of head and move hand in horizontal circle
Disengage: cut signal

Rotor head light: on then off when fully engaged/disengaged

Question 9

Stab Check

Answer 9

place right forearm over left forearm while parallel to deck; rotate right arm up to 45 degree position

flashlight in V shape

Question 10

Connect/Disconnect External Power

Answer 10

connect: push closed fist of right hand into open palm of left hand
disconnect: pull closed fist of right hand away from open palm of left hand

connect: move flashlight from upper right corner of windshield to lower left corner
disconnect: move flashlight from lower left corner of windscreen to upper right corner

Question 11

Connect/Disconnect Data Link

Answer 11

connect: push 2 extended fingers of left hand into open palm of right hand
disconnect: pull extended fingers of left hand away from open palm of right hand

connect: move flashlight from upper left hand corner of windshield to lower right hand corner
disconnect: move flashlight from lower right hand corner of windshield to upper left corner

Question 12

Fuel Numbers

Answer 12

per NAVAIR 00-80T-113

move flashlight vertically 1-5 times for numbers 1-5 (movement of flashlight up then down constitutes one number). move horizontally left then right 1-5 times for numbers 6-10 (movement of flashlight left then right constitutes one number)

Question 13

Inject Water (During water wash)

Answer 13

make gun signal by extending thumb upward and index finger parallel to ground

use affirmative signal

Question 14

Fuel Priming Engine

Answer 14

make signal with hand as if pinching nose, move vertically up and down several times over nose, followed by number of engine being primed

shall be briefed between aircrew and PC prior to evolution

Question 15

Slacken Chains

Answer 15

grab wrist with one hand and rotate hand around wrist

shall be briefed between aircrew and PC prior to evolution

Question 16

Packing Struts

Answer 16

place right forearm over left forearm while parallel to deck. move arms vertically away from each other, then place arms back to original position

shall be briefed between aircrew and PC prior to evolution

Question 17

Crossbleed Start

Answer 17

arms crossed in front of chest in X (PC should anticipate a/c transitioning to light on wheels)

shall be briefed between aircrew and PC prior to evolution

Question 18

Key Crypto

Answer 18

“T” 5, push 2 fingers of one hand into open palm of opposite hand

flashlight: use troubleshooter as req signal followed by shining light into left palm