Verify all equipment is in working order before flight

• Check drone battery level (minimum 80%) *
  Why this matters: Low battery can cause sudden loss of power mid-flight, leading to crashes and potential damage to property or injury.
• Inspect propellers for damage or cracks *
  Why this matters: Damaged propellers can fail during flight, causing loss of control and crashes. Even small cracks can worsen rapidly under stress.
• Verify GPS signal strength *
  Why this matters: GPS enables return-to-home features and stable hovering. Weak signal can cause erratic flight behavior or inability to return safely.
• Test camera functionality
  Why this matters: Ensures you can capture the footage you need and that the gimbal is operating correctly for stable shots.
• Calibrate compass if required *
  Why this matters: Incorrect compass calibration leads to navigation errors, erratic flight paths, and potential flyaways in GPS mode.
• Check remote controller battery *
  Why this matters: Controller battery failure means complete loss of manual control over the drone, potentially causing a crash or flyaway.
• Verify SD card has sufficient space
  Why this matters: Running out of storage during an important flight means losing critical footage that cannot be recaptured.

Ensure all required documentation is available

• Drone registration certificate available *
  Why this matters: Flying an unregistered drone is illegal in most countries and can result in fines, confiscation, or criminal charges.
• Pilot license/certification on hand *
  Why this matters: Operating without proper certification is illegal for commercial flights and can void insurance coverage.
• Insurance documentation current *
  Why this matters: Without insurance, you are personally liable for any damages or injuries, which can be financially devastating.
• Flight log book ready
  Why this matters: Logs provide legal protection, help track maintenance, and are often required for commercial operations.

Evaluate weather conditions and environment

• Check wind speed (under maximum limit) *
  Why this matters: High winds can overpower motors, reduce battery life rapidly, and make precise control impossible or dangerous.
• Verify visibility is acceptable *
  Why this matters: Poor visibility makes it impossible to maintain visual line of sight, a legal requirement in most countries.
• Check for precipitation forecast *
  Why this matters: Most drones are not waterproof. Rain or moisture can cause electrical shorts and permanent damage to electronics.
• Assess temperature within operating range *
  Why this matters: Extreme cold reduces battery capacity significantly. Extreme heat can cause overheating and motor failure.
• Identify potential RF interference sources
  Why this matters: Radio interference from power lines, cell towers, or other sources can disrupt control signals and cause flyaways.

Verify airspace authorization and legal requirements

• Verify airspace classification *
  Why this matters: Flying in restricted airspace without authorization is a federal offense and can endanger manned aircraft.
• Check for temporary flight restrictions (TFRs) *
  Why this matters: TFRs protect emergency responders, VIPs, and special events. Violating them can result in arrest and prosecution.
• Obtain necessary airspace authorizations *
  Why this matters: Flying in controlled airspace without approval is illegal and creates collision risks with manned aircraft.
• Verify flight is within legal altitude limits *
  Why this matters: Exceeding altitude limits puts your drone in the path of manned aircraft, creating serious collision hazards.
• Check proximity to airports/helipads *
  Why this matters: Drones near airports pose extreme risk to aircraft. Collisions can cause crashes with mass casualties.

Review safety protocols before flight

• Identify safe landing zones *
  Why this matters: Emergency landings happen. Having pre-identified safe zones prevents crashes into people, traffic, or hazards.
• Brief any observers/spotters
  Why this matters: Visual observers extend your situational awareness and can warn of approaching aircraft or obstacles.
• Review return-to-home settings *
  Why this matters: Incorrect RTH altitude or location can cause the drone to crash into obstacles or fly to the wrong location.
• Check geofencing settings *
  Why this matters: Geofencing prevents accidentally flying into no-fly zones and provides an extra layer of legal protection.
• Have emergency contact numbers ready
  Why this matters: Quick access to emergency services and local authorities is essential if an incident occurs.

Civil Aviation Administration of China regulations

• UAS Real-name Registration complete *
  Why this matters: Mandatory since 2017. Unregistered drones are illegal to fly and can be confiscated by authorities.
• Registration QR code displayed on drone *
  Why this matters: Enables instant verification by authorities. Missing QR code can result in fines and confiscation.
• Pilot license for drones >7kg *
  Why this matters: CAAC requires certification for larger drones. Operating without it is a serious violation.
• Flight plan approval for controlled airspace *
  Why this matters: All flights in controlled airspace require pre-approval. Violations can result in criminal prosecution.
• Maximum altitude 120m without special approval *
  Why this matters: Higher altitudes require special permits. Unauthorized high-altitude flights face severe penalties.
• No flights within restricted zones around airports *
  Why this matters: China enforces strict no-fly zones. Violations near airports have resulted in arrests and prison sentences.

Complete immediately after landing the drone

• Power down motors and drone safely *
  Why this matters: Improper shutdown can corrupt flight data and damage electronics. Always follow the manufacturer sequence.
• Disarm propellers before handling *
  Why this matters: Propellers can cause serious lacerations. Never handle the drone while armed or motors are active.
• Allow motors and batteries to cool *
  Why this matters: Hot batteries are a fire hazard. Cooling prevents thermal damage and extends battery lifespan.
• Turn off remote controller *
  Why this matters: Saves controller battery life and prevents accidental inputs that could affect the grounded drone.

Inspect drone for any damage from the flight

• Inspect propellers for damage *
  Why this matters: Detect cracks or chips that could fail on the next flight. Replace any damaged propellers immediately.
• Check for loose screws or parts *
  Why this matters: Vibration can loosen components. Catching this prevents parts from falling off mid-flight.
• Examine landing gear *
  Why this matters: Hard landings can damage or bend landing gear, affecting stability on future landings.
• Inspect body for cracks or damage *
  Why this matters: Body damage can expose electronics to moisture and affect aerodynamics.
• Check gimbal and camera
  Why this matters: Gimbals are fragile. Detecting damage early allows for repair before it worsens.
• Clean debris from motors and vents
  Why this matters: Grass, dust, and debris reduce cooling and can damage motors over time.

Proper battery handling after flight

• Remove batteries from drone *
  Why this matters: Leaving batteries in the drone during storage can lead to discharge issues and potential swelling.
• Check battery for puffing or damage *
  Why this matters: Puffed batteries are dangerous fire hazards. Never use or charge a damaged LiPo battery.
• Record battery cycles and health
  Why this matters: Tracking cycles helps predict when batteries need replacement before they fail in flight.
• Store batteries at proper charge level *
  Why this matters: LiPo batteries should be stored at 40-60% charge. Full or empty storage damages cells.
• Place batteries in fireproof container *
  Why this matters: Fire-safe storage protects against thermal runaway, a rare but dangerous battery failure.

Record flight information and save data

• Download flight footage/photos
  Why this matters: Backup footage prevents loss if the SD card is damaged or reused before transfer.
• Log flight duration and location *
  Why this matters: Flight logs are often required for commercial operations and help track total flight hours.
• Note any issues or anomalies *
  Why this matters: Documenting problems helps identify patterns and prevents recurring issues from causing accidents.
• Record weather conditions
  Why this matters: Weather data helps analyze flight performance and plan future operations.
• Update maintenance log
  Why this matters: Regular maintenance tracking ensures timely part replacements and keeps the drone airworthy.

Properly store all equipment

• Store drone in protective case *
  Why this matters: Cases protect against dust, moisture, and physical damage during transport and storage.
• Secure propellers properly *
  Why this matters: Loose propellers can get damaged in storage. Use guards or remove for transport.
• Store controller safely *
  Why this matters: Controllers contain sensitive electronics and screens that need protection.
• Check all accessories are accounted for
  Why this matters: Prevent losing chargers, cables, or spare parts by doing a quick inventory.

Procedures when connection to drone is lost

• Remain calm and do not panic *
  Why this matters: Panic leads to poor decisions. Most signal losses are temporary and resolve quickly.
• Check controller antenna orientation *
  Why this matters: Antenna position affects signal. Point antenna tips toward the drone for best reception.
• Move to higher ground if possible
  Why this matters: Line of sight improves signal. Obstructions between you and drone weaken connection.
• Allow Return-to-Home to activate *
  Why this matters: RTH is designed for this situation. Let it work unless you have a specific reason to override.
• Move away from interference sources
  Why this matters: Cell towers, power lines, and other drones can cause interference. Distance helps.
• Note last known position *
  Why this matters: If RTH fails, knowing the last position helps locate a crashed or landed drone.

Actions when battery becomes critically low

• Immediately identify nearest safe landing zone *
  Why this matters: You have limited time. Quick identification prevents forced landing in dangerous areas.
• Fly directly toward landing zone *
  Why this matters: Minimize flight time by taking the most direct path. Avoid unnecessary maneuvers.
• Reduce altitude gradually *
  Why this matters: Lower altitude requires less battery for landing and reduces fall damage if power cuts.
• Disable camera and non-essential systems
  Why this matters: Every bit of power helps. Focus all energy on keeping the drone controllable.
• Warn bystanders of emergency landing *
  Why this matters: People near the landing zone should be alerted to move away for safety.
• Prepare for automatic forced landing *
  Why this matters: Many drones will force-land when battery is critical. Be ready for this.

Handling uncontrolled drone flight

• Attempt emergency stop if safe
  Why this matters: Emergency stop (CSC) can halt a flyaway but will crash the drone. Use only as last resort.
• Switch to ATTI/Manual mode
  Why this matters: Disables GPS which may be causing the flyaway. Requires manual flight skills.
• Track drone visually as long as possible *
  Why this matters: Visual tracking helps estimate where the drone may land or crash.
• Note direction of travel *
  Why this matters: Direction helps narrow search area if the drone is lost.
• Check telemetry data for GPS location *
  Why this matters: Many apps log GPS coordinates even after signal loss. Check immediately.
• Contact local authorities if near airport *
  Why this matters: If flyaway is toward an airport, ATC must be notified to warn aircraft.

Response to mechanical failure in flight

• Reduce throttle if drone is spinning *
  Why this matters: Less throttle reduces spin rate, making the descent more controlled.
• Guide drone away from people/property *
  Why this matters: Even limited control can steer away from hazards. Prioritize safety.
• Prepare for emergency landing *
  Why this matters: The drone will come down. Focus on choosing the least harmful location.
• Warn bystanders immediately *
  Why this matters: Loud verbal warnings give people time to move away from impact zone.
• Do not attempt to catch falling drone *
  Why this matters: Even slow-moving propellers cause serious injuries. Let the drone crash safely.

Response to sudden weather changes

• Initiate immediate return to home *
  Why this matters: Weather can deteriorate rapidly. Begin return before conditions worsen.
• Reduce altitude if wind is strong aloft *
  Why this matters: Wind is often calmer near ground level. Lower altitude improves control.
• Land immediately if rain begins *
  Why this matters: Water damage is often fatal to electronics. Any landing is better than water damage.
• Seek shelter for equipment *
  Why this matters: After landing, protect all equipment from rain. Controllers are also vulnerable.
• Wait for conditions to improve *
  Why this matters: Never resume flight in unsafe weather. Patience prevents accidents.

Required steps after any emergency or accident

• Document the incident immediately *
  Why this matters: Memory fades quickly. Write down what happened while details are fresh.
• Take photos of scene and damage *
  Why this matters: Photos provide evidence for insurance claims and regulatory compliance.
• Preserve flight logs and data *
  Why this matters: Flight data may be required for investigation. Do not overwrite or delete.
• Report to aviation authority if required *
  Why this matters: Many countries require reporting accidents. Failure to report can result in penalties.
• Contact insurance provider *
  Why this matters: Prompt reporting is often required by insurance policies for claims.
• Seek medical attention if injuries occurred *
  Why this matters: Health comes first. Document any injuries for medical and legal purposes.