ATTACHMENT 10 
LYNX UAS

Operator and Crewmember Checklist

Last Updated 30 October 2014
PACKING LIST    Fuselage (Check bolts)

 Wings (Check correct set)

 Stabilator (Check tail clips)

 Batteries Check voltage)

 Battery Tester

 DX7 Transmitter

 Laptop

 Laptop Power Supply

 Extension Cord (If required)

 3DR Radio

 Micro USB Cable

 Mini USB

 Castle Link

 Gaffer’s Tape

 Wishbones (X4)

 Screwdrivers (Phillips & Flathead)

 Adjustable Wrench

 Anemometer

 Camera Bracket

 Camera

o Charged Battery  

o SD Card

o Screw

 Spares

o Props

o Stabilator Arms

o Tail Clips

o Pitot Tube Holder

o Wishbones

 Pencil

 Bind Plug

 Exact‐O Knife  
NORMAL PROCEDURE

PUBLICATIONS

1. Checklist‐ Verify

PGCS POWER UP

1. Laptop‐ Turn On and Connect Power

2. Telemetry Radio‐ Attach

3. Mission Planner‐ Start

AV PREFLIGHT INSPECTIONS

1. Battery‐ Check Level and Install  

2. Battery Connectors‐ Inspect

3. Fuselage‐ Inspect

4. Skid Pads‐ Serviceable

5. Propellers and Motor‐ Serviceable

6. Stabilator‐ Inspect and Attach

7. Pitot Tube‐ Attach and Inspect

8. Rudder – Inspect

9. Servos‐ Check Attachment and Linkages

10. Wing Bolts‐ Present and Spaced

11. Wings‐ Assemble and Inspect
PREFLIGHT CHECKS

1. DX7 Transmitter – On

2. Throttle Safety Key – Attach

3. AV Battery – Connect

4. Flight Surface – Check Movement

5. New Field – Range Check/Magnetometer Calibration

*Caution: Problem trend with AutoPilot on 1st mission in new field

FLIGHT DATA SCREEN

6. Mission Planner – Connect

7. HUD – Verify Level and Responsive                                                                                                                      

INITIAL SETUP SCREEN

8. Compass – Enable, Check Declination and Rotation (ROLL 180), Calibrate if needed

9. Flight Modes – Set

10. Failsafe – Disabled

11. Airspeed – Enable and Use                                                                                                                          

CONFIG TAB

12. PID’s – Check Correct

13. Nav Angles – Check Correct (45, 20, ‐15)

14. Throttle Settings – Check Correct (Min  0, Max 75)

15. Airspeed Settings – Check Correct (16 m/s)

16. Planner – Correct Units                                                                                                                         

FLIGHT PLANNING SCREEN

17. Default Altitude – Set

18. Loiter & Waypoint Radius – Set

19. Mission – Create/Load (if necessary)

20. Waypoints – Write

21. Waypoints – Check distance

22. Orange Line‐ Check direction

23. Flight Plan Waypoints – Verify  

FLIGHT DATA SCREEN

1. Flight Surface Checks‐ Perform

2. Magnetometer – Correct and Responsive

3. IMU Test‐ Perform

4. Auto Check – Perform

5. Return Home Check – Perform

6. Mode Auto

7. Full Throttle Check – Perform

8. Prefight Calibration – Perform

9. Airspeed Test – Perform

10. Payload Checks – Perform

11. GPS Picture with camera ‐ Take

12. Wings – Attach
AV LAUNCH

1. Payload – Ready for Takeoff

2. Data Links – Verify

3. Wind – Check

4. Final Walkaround – Complete (SP)

5. RBFI – Remove

6. Mode – Manual (SP)

7. Timer – Start (SP)

8. Launch Area/Prop – Clear

9. Reader for Takeoff – Announce (SP)

10. Ready for Takeoff – Confirm (Thrower)

11. Full Throttle – Verify

12. AV – Launch into the Wind  

AV RECOVERY  

1. Weather/Winds – Verify

2. Mode – Manual (SP)

3. Recovery Site – Select (SP)

4. Recovery Site Clear – Verify (Observer)                                                                                                        

DEEP STALL RECOVERY

5. AV Altitude ‐ >100 ft. AGL

6. Direction – into the Wind  

7. Throttle – Off

8. Deep Stall – Engage (SP)

9. Timer – Stop (SP)                  

MANUAL LANDING

5.   Manually Land AV – Into Wind (SP)

6.    Timer – Stop (SP)

        Deep Stall Abort

1. Deep Stall – Disengage (SP)

2. AV – Climb Gently (SP)

3. Power  Apply (SP)

POST FLIGHT

1. AV Battery –Check/Disconnect

2. DX7 – Off

3. AV – Disassemble/Inspect

4. GCS – Shutdown

5. Load TLOG
EMERGENCY PROCEDURES

Motor Failure Below 100 Feet AGL

1. Control – Manual (SP)

2. Safe Heading – stablish (SP)

3. Deep Stall – Engage (SP)

4. AV Recover (ALL)

Motor Failure Above 100 Feet AGL

1. Control‐ Manual (SP)

2. Throttle ‐ Reduce (SP)

3. Safe Heading – Establish (SP)

4. Recovery Site – Select (Observer)

5. Land or Deep Stall – ASAP

AV Fire on Ground

1. FIRE, FIRE, FIRE ON AV – ANNOUNCE (SP)

2. Control – Manual (SP)

3. Throttle – Reduce (SP)

4. Fire – Extinguish (ALL)

5. Batteries – Secure

Uncontrolled Flight

1. Control – Manual (SP)

2. Controllability – Assess (SP)

AV Uncontrollable

1. Deep Stall – Engage

2. Batteries – Secure

AV Controllable

1. Land – As Soon as Practical

Safety Pilot Low Battery

1. Control – Manual (SP)

2. Safe  Heading – Establish (SP)

3. Deep Stall – Engage (SP)

4. AV – Recover (ALL)

Safety Pilot Uplink Failure

1. RTL – Verify

2. Control – Auto (SP)

3. Uplink – Re‐Establish (SP)

4. Autoland – AS Appropriate (AO)
GCS Comms Failure

1. 3DR Radio – Power Cycle

2. Mission Planner – Restart

3. Laptop – Restart

4. Control – Manual (SP)

5. Land –As Soon as Practical (SP)

GPS Failure  

1. GPS FAILURE – Announce (AO)

2. Control – Manual (SP)

3. Land AV – As Soon As Practical

GCS Electrical Power Failure

1. Screen Brightness – Reduce

2. Power Source – Check

3. Land – As Required   
Table 1. Speed Conversions

Meter/Second Knots Miles/Hour

1 1.2    2.2

2 3.9    4.5

3 5.8    6.7

4 7.8    8.9

5 9.7    11.2

6 11.7    13.4

7 13.6    15.7

8 15.6    19.9

9 17.5    20

10 19.4    22.4

11 21.4    24.6

12 23.3    26.8

13 25.3    29.1

14 27.2    31.3

15 29.2    33.6

16 31.1    35.8

17 33    38

18 35    40.3

19 36.9    42.5

20 38.9    44.7

21 40.8    47

22 42.8    49.2

Table 2. Distance Conversions

Feet Meters

50 15

100 31

150 46

200 61

250 76

300 91

350 106

400 122

450 137

500 152
Table 3. Beaufort Wind Scale
PERFORMANCE DATA

Wind Limitation.........................................15 Gusting 25 Knots

Altitude.......................................................100‐1000 AGL

Airspeed......................................................30‐35 Knots

Range...........................................................Limited by Visual Line of Site

Endurance...................................................90 Minutes (At 5,000 ft. MSL)

Navigation...................................................+/‐ 45° Roll, +20°, ‐15° Pitch  

Climb Rates.................................................+1,000, 500 Feet per Minute

Airspeed

Cruise............................................16‐18 m/s

Stall................................................9 m/s

Never Exceed (Vne).....................22 m/s

Low Battery.................................................19.8 volts

Motor Cutoff...............................................18.0 volts

Max Takeoff Weight...................................10.3 lbs

Prohibited Maneuvers:

Launch or recovery with any tailwind  

Flight into known icing conditions

Flight into Visible Moisture

Flight beyond Safety Pilot’s visual line of sight  
LYNX UAS

PUBLICATIONS

1. Checklist‐ Verify

PGCS POWER UP

1. Laptop‐ Turn On and Connect Power

2. Telemetry Radio‐ Attach

3. Mission Planner‐ Start

AV PREFLIGHT INSPECTIONS

1. Battery‐ Check Level and Install

2. Battery Connectors‐ Inspect3. Fuselage‐ Inspect

4. Skid Pads‐ Serviceable5. Propellers and Motor‐ Serviceable

6. Stabilator‐ Inspect and Attach

7. Pitot Tube‐ Attach and Inspect

8. Rudder

– Inspect

9. Servos‐ Check Attachment and Linkages

10. Wing Bolts‐ Present and Spaced

11. Wings‐ Assemble and Inspect

PREFLIGHT CHECKS

1. DX7 Transmitter

– On

2. Throttle Safety Key

– Attach

3. AV Battery

– Connect

4. Flight Surface

– Check Movement

5. New Field

– Range

Check/Magnetometer Calibration

*Caution: Problem trend with

AutoPilot on 1st mission in new field

FLIGHT DATA SCREEN

6. Mission Planner

– Connect

7. HUD

– Verify Level and Responsive

INITIAL SETUP SCREEN

8. Compass

– Enable, Check Declination

and Rotation (ROLL 180), Calibrate if

needed

9. Flight Modes

– Set

10. Failsafe

– Disabled

11. Airspeed

– Enable and Use

CONFIG TAB

12. PID’s

– Check Correct

13. Nav Angles

– Check Correct (45, 20, ‐15)

14. Throttle Settings

– Check Correct (Min

0, Max 75)

15. Airspeed Settings

– Check Correct (16

m/s)

16. Planner

– Correct Units

FLIGHT PLANNING SCREEN

17. Default Altitude

– Set

18. Loiter

& Waypoint Radius

– Set

19. Mission

– Create/Load (if necessary)

20. Waypoints

– Write

21. Waypoints

– Check distance

22. Orange Line‐ Check direction23. Flight Plan Waypoints

– Verify

FLIGHT DATA SCREEN

1. Flight Surface Checks‐ Perform

2. Magnetometer

– Correct and

Responsive

3. IMU Test‐ Perform

4. Auto Check

– Perform

5. Return Home Check

– Perform

6. Mode Auto7. Full Throttle Check

– Perform

8. Prefight Calibration

– Perform

9. Airspeed Test

– Perform

10. Payload Checks

– Perform

11. GPS Picture with camera ‐ Take12. Wings

– Attach

AV LAUNCH

1. Payload

2. Data Lin

3. Wind

– C

4. Final Wa

5. RBFI

– R

6. Mode

– 

7. Timer

– 

8. Launch A

9. Reader f

10. Ready fo

11. Full Thro

12. AV

– La

AV RECOVERY

1. Weathe

2. Mode

– 

3. Recover4. Recover

DEEP ST

5. AV Altitu6. Directio

7. Throttle

8. Deep Sta

9. Timer

– 

MANUA

5. Manually 

6. Timer

– 

Deep St

1. Deep Sta

2. AV

– Clim

3. Power A

POST FLIGHT

1. AV Batte

2. DX7

– Of

3. AV

– Dis

4. GCS

– Sh
EMERGENCY

PROCEDURESMotor Failure Below 100 Feet AGL

1. Control

– Manual (SP)

2. Safe Heading

– stablish (SP)

3. Deep Stall

– Engage (SP)

4. AV Recover (ALL)

Motor Failure Above 100 Feet AGL

1. Control‐ Manual (SP)

2. Throttle ‐ Reduce (SP)

3. Safe Heading

– Establish (SP)

4. Recovery Site

– Select (Observer)

5. Land or Deep Stall

– ASAP

AV Fire on Ground

1. FIRE, FIRE, FIRE ON AV

– ANNOUNCE

(SP)

2. Control

– Manual (SP)

3. Throttle

– Reduce (SP)

4. Fire

– Extinguish (ALL)

5. Batteries

– Secure

Uncontrolled Flight

1. Control

– Manual (SP)

2. Controllability

– Assess (SP)

AV Uncontrollable

1. Deep Stall

– Engage

2. Batteries

– Secure

AV Controllable

1. Land

– As Soon as Practical

Safety Pilot Low Battery

1. Control

– Manual (SP)

2. Safe Heading

– Establish (SP)

3. Deep Stall

– Engage (SP)

4. AV

– Recover (ALL)

Safety Pilot Uplink Failure

1. RTL

– Verify

2. Control

– Auto (SP)

3. Uplink

– Re‐Establish (SP)

4. Autoland

– AS Appropriate (AO)

GCS Comms Failure

1. 3DR Radio

– Power Cycle

2. Mission Planner

– Restart

3. Laptop

– Restart

4. Control

– Manual (SP)

5. Land –As Soon as Practical (SP)

GPS Failure

1. GPS FAILURE

– Announce (AO)

2. Control

– Manual (SP)

3. Land AV

– As Soon As Practical

GCS Electrical Power Failure

1. Screen Brightness

– Reduce

2. Power Source

– Check

3. Land

– As Required

PERFORM

Wind Limitation

Altitude...............

Airspeed...............

Range..................

Endurance............Navigation............Airspeed

Cruise...

Stall.........

Never Ex

Low Battery.........Motor Cutoff......

Max Takeoff We

Prohibited ManeLaunch or recove

Flight into knowFlight into Visible 

Flight beyond Sa