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Drone · FAA record as of September 25, 2026
N639KF

Ceres Air C31

Assigned, not yet registered Agricultural dronesElectric

N639KF is a Ceres Air C31, a rotorcraft powered by electric motors (a helicopter or multicopter). It is unmanned. It is registered to an owner whose details are withheld at their request. The FAA lists the registration as "n-number assigned but not yet registered". No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested. 2 documents are on file: 2 × bill of sale (evidence of ownership).

Aircraft

Maker
Ceres Air (United States)
Model
C31
Serial number
21578540702D5
Type
Rotorcraft
Power
Electric, 8 motors
Seats
0
Year built
Not given
Transponder code
A86012 (octal 52060022)

Registration

Status
N-number assigned but not yet registered
Certificate issued
—
Expires
—
Last FAA action
August 14, 2026
Airworthiness
None on file
FAA region
—
FAA record id
01556037

Owner as the FAA publishes it

Name
Withheld at the owner's request
Type
—
Address

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 2

2026-09-08Bill of sale (evidence of ownership)
2026-09-08Bill of sale (evidence of ownership)

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data