observer
A remote crew member who, by visual observation of the remotely-operated aircraft, assists the operator
in the safe conduct of the flight.
RTK
Real-time kinematic, a type of GNSS survey.
scan area
The block(s) to be photographed during a flight.
segregated airspace
Airspace of specified dimensions allocated for exclusive use to a specific user(s).
TAF
See
.
tail wind
A wind that blows from the opposite direction to the direction that the aircraft is flying toward.
takeoff
The initial ascent of the unmanned aircraft. Takeoff immediately follows launch.
telemetry
The science, and associated technology, of the automatic recording and transmission of data from a
remote source to a receiving station for analysis.
terminal aerodrome forecast
A terminal aerodrome forecast (TAF) is a concise statement of the expected meteorological conditions at an
airport during a specified period (usually 24 or 30 hours).
tie point
A point in a digital image or aerial photograph that represents the same location in an adjacent image or
aerial photograph. Tie points are used to correctly orient aerial photo stations to each other and reference
them to the ground based on autonomous GNSS positions recorded when the photo images are taken.
tracker
The tracker consists of a transmitter inserted in the body of the unmanned aircraft and a receiver. If
required, the receiver is used to track the transmitter signal so the unmanned aircraft can be located once it
has landed.
UA
See
UAS
See
.
unmanned aircraft
An aircraft which is intended to operate remotely. See also
(UAS).
unmanned aircraft system
An aircraft and its associated elements which are operated remotely.
visual line-of-sight operation
An operation in which the operator maintains direct visual contact with the aircraft to manage its flight.
waypoint
A waypoint is a point between major points on a route, as along a track. In terms of the Aerial Imaging
software, a waypoint is located at the beginning and end of each flight line in the scan area.
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