Darkness is not the same as unsafe weather
A thermal camera does not need daylight to display surface heat differences. That can make it useful after dark when an animal is visible to the sensor. But a usable camera image does not, by itself, make a flight safe or mean we can launch immediately.
We use the DJI Matrice 4T, which has thermal and low-light imaging capabilities. The details below come from DJI's documentation for this aircraft and its Matrice 4 Series.
A night search still needs visibility and a safe site
The pilot must be able to maintain the required view of the aircraft, assess obstacles and airspace, and meet the applicable requirements for a night operation. Trees, wires, uneven ground, and people moving around the search area still matter, even if a thermal image looks clear.
DJI also lists lighting and surface requirements for its vision-sensing system. We do not treat obstacle sensing as a promise that the aircraft can avoid every hazard in darkness. A heat signature may need a closer camera check or a safe ground check, and we may be unable to identify an animal confidently.
The Matrice 4 Series is not waterproof
DJI's official FAQ says the Matrice 4 Series is not waterproof and should avoid contact with water. If rain begins during a flight, DJI instructs the operator to return and land as soon as possible and let the aircraft dry fully inside and out before using it again.
That is not an all-weather operating capability. Rain, snow, fog, or conditions that reduce visibility can prevent or end a search. Thermal imaging does not remove the risk to the aircraft, and fog or moisture is not something we promise to see through.
Wind and temperature limits are not launch promises
DJI lists maximum wind-speed resistance of 12 m/s, with a note specifying takeoff and landing, and an aircraft operating temperature of -10°C to 40°C (14°F to 104°F). Those are manufacturer specifications, not a promise that a search is suitable at the edge of either limit.
Gusts, wind above a ridge, obstacles, the route back to the landing area, and changing conditions can require more conservative decisions. DJI also notes that low temperatures shorten battery life. The pilot decides whether the actual conditions provide an adequate safety margin rather than using a single weather-app number as permission to fly.
Conditions also affect what we can find
A camera can show only what has a usable line of sight. Thick vegetation, roofs, and other solid cover remain obstacles at night. The difference between an animal and the temperature of the surrounding surfaces also affects how noticeable a heat signature is. A bright spot is not automatically the missing animal.
Our 24-hour service availability does not guarantee immediate dispatch, a flight in bad weather, or a successful recovery. Conditions at the actual location decide whether a flight can go ahead.
Travel and coverage
We travel beyond 30 miles. The first 30 driving miles from our Dover, Ohio base are included in the search price. If you’re farther away, give us a call to discuss availability and travel costs. Each mile beyond the included 30 costs $2, calculated using the driving distance to your location. This single charge covers the trip there and back.
If you’re 45 driving miles away, the total travel charge is $30.
We also serve locations outside this circle. The circle shows distance in a straight line. Travel charges are based on driving distance. Contact us to confirm coverage for your location.
Sources
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