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Preflight Checklist - DJI Mavic Pro II

3d model data acquisition

Mission Processing and Execution

Field Notes

Mission Planning

How to use MGC to connect your phone and start or createa mapping mission

  1. Tools
    1. MGC
    2. Telemetry?GPS?etc
  2. Boot MGC
  3. Enable platform
  4. Establish connection
  5. Create mission
  6. Lost links/emergency/pre-planning procedure

Setup and Takedown of Bramor

General c/o procedure

Operating Procedures

Check in/out Standard Operating Procedure

There is a c/o form on BS - goalto get ??? but we’re not there yet.

Mimic it, also when fillo out also receive metadata sheet

If there’s an over– be sure to LET THEM KNOW. If you’re over an HOUR LATE, it will be marked down. After 3 strikes, no more dispatch per week. Basically grounded :-( If it happens 4x = no aircraft

Stdop procedures in place to ensurethat it’s been checked out and used accordingly. Thgere are limited reosurces and a standard check in/out procedure shoudl be effectively referenced. Tally marks

Flights needed to be rearranged, cancelled, etc. if flights are LATE. They are to be RETURNED ON TIME to ensure resources are shared accordingly.

equip out more than 24h = no no

Fill out the board.

BoardBasics

| Fill out the day you’re taking it out, the time you’re taking it out, and what aircraft you’re tking out.**

**If you haveplans that change, cancel flight, ppick up earlier,

BRAMOR + CHECKLIST

  1. UNDO TWOBUCKLES ON BOTOM
    1. TW. CTR CLOCKWISE
    2. E/A GRABHANDLE: LIFT OFF, SET DOWN
    3. KEEP DISTANCE FROM PEOPLE UNPACKING THE COMPONENT BOXES
  2. SOP CHECKLISTS ARE WRITTEN TO FOLLOW PROPER PROCEDURES IN A STEP-BY-STEP FASHION. THE GOAL OF A CHECKLIST IS TO COVER ALL OF THE STEPS AND LEAVE NOTHING UP TO INTUITION.
  3. The checklist is not written to be dummy-proof. It is, in fact ,written for the common UA.

Checklist Standard Operating Procedures

The checklist is an imperativestep of proper mission execution and ettiquette. It’s highly encouraged to either reference the OEM checklist or devise one’s own.

Designing a Checklist

The checklist should be written for the common unmanned aviator. It is NOT MEANT TO BE DUMMY-PROOF. It would be considered proper etiquette to memorize which components of the used platforms are followed explicitly. The general checklist procedure commonly contains for procedures designed to be explicitly followed, with each containing sub-checklists that should be followed, as well.

Common etiquette is to STATE the step and then REPEAT the step after completion. NO ASSUMPTION WHATSOEVER.

  1. Unpacking
  2. Assembling
  3. Preflight
  4. Launch

Unpacking

Unpacking is the first of the four components and is also the most crucial in terms of inspection. The unpacking section of the checklist should be designed with ensuringall of the components are in proper operating condition. This section shouldfocus on checking the hardware components and establishing them in a proper operatingcondition. For this example, we will review the unpacking section of the C-Astral Bramor PPX.

  1. KESTREL: ON

    • This is the weather-checker. Remove theweather-checker and turn it on. ensure it is in operating condition. If it does not work, it isstrongly advised to not continue with the mission and remedy the issue immediately.
    1. Catapult: UNFOLDED

      • Ensure the catapult is UNFOLDED.
      1. This is the launchign pltform of the UAS. It is designed to propel the UAS in the air at ~60mph with a payload of over 10lbs.
    2. Catapult Legs: EXTENDED

      1. Imperative to ensure proper launch base.
    3. Catapult Legs Safety Locks: SECURE

      1. Imperative to ensure proper launch base.
    4. Catapult Middle Lock: SECURE

      1. Imperative to ensure proper launch base.
    5. Catapult Safety Pin: SECURE

      1. Imperative to ensure proper launch base. Unsecured safety pin can result in a downed platform.
    6. Catapult on Level Ground: CHECK

      1. Ensure that the platform is properly aligned for take-off.
    7. Winch Rope: EXTEND

    8. Winch Rope State: CHECK

    9. Breaking RopeState: CHECK

    10. Bungee State: CHECK

    11. Rubber not Armed: CHECK

    12. Wind Direction: CHECK

    13. Combox Antenna: CONNECT

    14. GCS Com-Box: ON

    15. GCS Tablet: ON

    16. Com-Box Battery: CHECK

    17. Tablet Battery: CHECK

    18. Tablet Sound: ENABLED

    19. Bluetooth: PAIRED

    20. C3P: On

    21. Payload Sensor: SELECTED

Assembly

The aircraft should be assembled with extensive precaution. The aircraft can and will break should it get caught on something. Composites are designed to be strong in the direction they are supposed to withstand the force from.

Common Etiquette results in ensuring you’re tracking where the parts of the aircraft are. If there is a misplaced wingtip, there is significant dangert of potentially stepping on and by proxy breaking the wing tip.

  1. Airframe and Wing Connectors: CHECK
    1. The airframe and wing connector should be checked for critically damaged areas to ensure that the platform will operate safely and without mishap.
  2. Airframe on Catapult: PLACE
    1. Placing the airframe on the catapult is to ensure the proper weight and balance of the platform; by proxy, ensuring safe flight.
  3. Wing Joiners in Area
  4. Airgrame on Antenna: CONNECT
    1. Connecting the antenna enables the UAS to communicate effectively.
  5. Wings on Airframe: CONNECT
    1. Carry the wings vertically.
    2. PIC should install left wing to ensure communication with Bramor. This is platform-specific.
    3. It is advised to PLACE FRMO ABOCE. If it does not slide on and there is resistance, that is because it is MISPLACED.
    4. Very little foreisrequired.
      1. There shouldNEVER be a large amount of physical forceapplied on the platform.
  6. Winglets on wings: CONNECT
    1. Wingtips are to face in the SWEPT-BACK position, and the angle of connection should be properly aligned. Otherwise, friction-locking will result in an unsecure platform, which then results in potential mishap.
  7. Wing gap tape: SEAL
    1. The tape is placed starting from the back and folding just over the front end. Gently adhere the tape onto the aircraft wing gap. Cut with a knife adn ensure that only the tape is cut. Cover from back to forward. Cover the top and the leading edge bottom. If something else is snipped by mishap, abort mission until the issue is remedied.
    2. Seal the wing gaps on both the FUSELAGE edge and the WINGTIP edge.
  8. Pitot Tube: CLEAN
    1. You’re checking the pitot’s side-gaps and front. Since it lands on itsbelly, it occasionaly gets dirt within the pitot tude. It is recommened to GENTLY REMOVE dirt or debris. Do NOT shove dirt BACKWARDS. You can also blow through the pitot tube from the back-side. Blowing compressed air into the front of the pitot-static system will result in pitot error.
    2. When checking the pitot tube, you remove the cover and then replace the cover. the goal is to ensure nothing can get into it.
  9. Propellor: CHECK
    1. Inspect for leading, trailing edge damage.
      1. Trailing edge damage is surpsingly common; especially with spinning props.
      2. Propellors areNOT suposed to move via a finger-tightened screw movement check.
  10. Sensor Cable: CONNECTD
    1. This is the larger cable from camera to the socket. There’s a little screw-it’s on the right side.
    2. Ensure it is tightened.
  11. Parachute hatch: REMOVED
  12. Formatted memory card: FORMATTED, IN PLACE
  13. USB KEY: INSERTED
    1. Touch it to make sure it is there.
  14. UAV BATTERY: PLACE
    1. It is snug. It’s imperative to ensure it’s placed properly. There may be resistance - be gentle when placing it in, but there may be LIGHT force involved here.
    2. Ensure to their proper terminals and ensure tha balancing cords are in the proper location.
  15. Y Connector: ATTACHED TO BATTERY
    1. Remove Y-conn and then attach to the alternate side.
      1. This is to ensure both batteries get attached at the same time. This is imperative for proper operations.
  16. UAV BATTERY: Connect
    1. BEFORE CONNECTING
      1. Ensure Com-box is ON
      2. Ensure C3P is OPEN
  17. ESC Sound: PLAYED
  18. Camera Settings: CHECK
  19. Hatch: SECURE
    1. This will take time. It requires PATIENCE and tactilty.
      1. There is a single separation layer in between the composites that you slide into.
      2. Once placedi n the proper position, pull hatch up and it latches back down.
  20. Airframe: SECURE
  21. Airframe linked to GCS: CHECK
  22. Parachute: POP
    1. Ground-check the pop command operates. The parachute servo MUST remain clear of obstruction. Under no condition should it be covered. If ther eis something in the way, the servo will add power until the servo blows itself up. This is a failsafe device to ensure the device will POP when NECESSARY and not result in catatonic platform error.
  23. Parachute: INSTALL
  24. Parachute Hatch RESET (Close, open, close procedure): CLOSE
    1. Replace the hatch onto the machine.
  25. Parachute Safety Pin: REMOVE
    1. Ensuresthe parachute can and will deploy when the chute is popped without error.

Preflight

  1. Mission: OPEN/CREATE
  2. Payload Sensor Selected: CHECK
  3. UAV Battery: CHECK
  4. Communication: CHECK
  5. Satellites: MORE THAN 7
  6. Navigation Map: LOADED
  7. Photo Log: CLEARED
  8. Airframe from Catapult: REMOVE
  9. Mode to Maunal: SET
    1. Switched from the GTEC. The flight mode must be changed to check flight modes.
  10. Servo: CHECK
  11. Propellor Safety: CHECK
  12. Motor Test: CHECK
  13. Mode to safe: SET
  14. Lens Clean: CHECK
    1. When checking thge lens, keep handsas close as possible to the center ofgravity dots.
    2. If the lens needscleaning, clean WITH THE LENS-CLEANING WIPES in the pack.
      1. IF THERE ARE LOW LENS CLEANING WIPES, MAKE NOTE ON MISSION DETAILS TO ENSURE REPACKING INCLUDES PROPER LENS.
      2. SET THE SENSOR TO INFINITY. IT MUST BE INFOCUS.
  15. Airframe: LEVEL
    1. Ensure proper weight and balance.
  16. Sensor Initialization: SET
    1. TURN ON THE CAMERA/PAYLOAD/DEVICE.
    2. UseGTEC - Check flashing lights on app - tap sensor init - set temperature what Kestrel registers temperature at.
    3. Pressure init is BASED ON TEMPERATURE. Ensure temperature init is proper.
    4. Be as close as possible at 0 elevation when calibrating sensor to ensure altitude accuracy. Within field, When the sensor initializzes and sets, it sets it at ZERO.
  17. Waypoints (Speed, Altitude): CHECK
    1. Upload and ensure waypoints.
  18. Mission (T&L, P, R): SET
  19. Takeoff Point Parameter: CHECK
  20. Landing Points Parameter: CHECK
  21. Auto Camera Switch: SELECT
  22. Mission: UPLOAD
  23. Failsafes: CHECK
    1. Thisdevicehas NO OBSTACLE AVOIDANCE.
    2. Loss ofcomms - generally set to 1min -
  24. Sensor Initialization: CHECK
  25. Airspeed: CHECK
    1. Ensure 0m/s
  26. Pitot Cover: REMOVE
  27. Pitot Test: CHECK
    1. Cover the pitot tube front-end and ensure the pitot registers a light amount of pressure. The goal is to ensure that the \pitot tube can read up to 10m/s.

Launch

The final step of the checklist is the launch portion. Once this begins, all but PIC and LOS go behind

  1. Trolley: LOCK
  2. Rubbers: ON
    1. Bungeesetup: one, one, two, two .
    2. WHEN ARMING, DO NOT CROSS BUNGEES.
    3. After arming, check partner’s bungee wrapping. Walk BEHIND the catapult.
    4. IF IMPROPERLY PLACED (CROSSED):
      1. Remove bungees IN SEQUENTIAL ORDER. (4L, 4R, 3L, 3R, etc)
      2. ALWAYS remove bungees by stretching frmo halfway back to ensure ther eis room to grab/stretch the bungee. Once bungees are ON, all NOT ON FLIGHT CREW are AWAY.
  3. Catapult Safety: CHECK
  4. Catapult wind direction: CHECK
  5. Catapult: ARM (1 minute max)
  6. Airframe on Catapult: SECURE
  7. Propellor: ALIGN
  8. Takeoff mode: SET
  9. UAV into TKO mode: CHECK
  10. Leg on plate: PLACE
  11. Safety pin: REMOVE
    1. Pretension is REQUIRED. The amount of tension on the catapult will result in bodily injury.
    2. Pull cross-body.
  12. Safety - Situational Awareness - CHECK
  13. Catapult release: PULL

Disassembly/teardown: PIC works left in, first office works right in

  1. Upon removal of the wing, hook antennae back in the wing.
  2. Wingletsgo CONNECTOR facing out
  3. Left wing goes on TOP CASE
  4. right wing goes BOTTOM-top
  5. If you can’t get batteries removed - PULL LEFT FIRST. HOLD RIGHT ONE DOWN. BREAK FRICTION LOCK - NOT THE PLATFORM.
  6. When tearing down catapuly: take ALL BUNGEES and hold to RIGHT SIDE. Hold bungees ABOVE CATAPULT during placement wihthin case - then place bungees on top,.

There is success due to struggling - ensure ther e is a challenge

Parrot back-forth the steps as they are accomplished.