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RPIC Station AE Manual
3. Normal Procedures
Takeoff

Takeoff

Andi Lamprecht Andi Lamprecht ·· 2 min read· Draft

The aircraft, utilizing the PX4 autopilot located within the FMU which is receiving commands from the onboard Uncrew software application, begins to ascend. The following procedure identifies the appropriate order of actions to be performed with the RPIC Control Station AE in parallel to the PRISM V2.3 UAFM Takeoff normal procedure.

  1. Altitude Increase Check: Confirm that the altitude value, as displayed within the Uncrew GCS Mission Console, increases. Other ways to confirm the aircraft is ascending involve the RPIC Tablet AE or visual inspection of the physical aircraft (i.e. landing gears no longer on ground).

Once the aircraft is confirmed to have increasing altitude, the RPIC should announce “Drone Up” on voice communicators to the entire flight crew for situational awareness.

  1. Parachute System Arming: At 10 feet AGL, the parachute system should automatically arm. Confirm the parachute arms once the aircraft reaches 10 ft AGL. Confirmation shall be audible through tone from parachute canister or visibly with solid green light indicator on parachute canister.
CAUTION: If the parachute system does not arm, immediately command Land in Place via Uncrew Mission Console.
  1. Voltage Check: On the Uncrew GCS Mission Console, verify the energy storage device voltage is not below 48.5V.
CAUTION: A fully charged battery below 48.5V at installation indicates abnormal energy consumption, potentially leading to a Low Energy flight condition. If low voltage is detected before takeoff, initiate the Low Energy procedure to recover the aircraft and use different batteries.

  1. HubOps MCA: If applicable, select “DRONE HAS TAKEN OFF”.

  2. Monitoring Telemetry: Monitor the aircraft telemetry until the aircraft reaches the defined cruise altitude. This is designated by the desired altitude setting within the Uncrew. The cruise altitude is the value automatically set by Uncrew. Confirm that the aircraft reaches the defined cruise altitude.

NOTE: Once the aircraft transitions to the cruise flight phase (outbound leg), the aircraft will maintain altitude in accordance with the preconfigured cruise altitude determined by the Uncrew.
NOTE: Small transient (<10 feet) differences between the actual aircraft altitude (AGL) and preconfigured cruise altitude are expected as the aircraft follows the terrain.
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