Drone (small UAS)

N4593

Skydio X10

Registered No accidents on file
Built
—
Serial
1668BR40EA00NN44
Class
Drone (small UAS)
Engines
4
Status
Current as of October 2026
Registered owner
U S Department of Energy (Government)
Based
Oak Ridge, TN
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Registration record

N4593 on the FAA register

Type
Skydio X10
Serial
1668BR40EA00NN44
Engines
4
Registered owner
U S Department of Energy
Oak Ridge, TN
Certificate issued
2024-12-23
Airworthiness date
—
Registration expires
2031-12-31
Airworthiness class
—
Mode S (hex)
A5964C
Mode S (octal)
51313114
Weight class
UAV under 55 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-12-31
    Registration expires (renewal due).
  • 2024-12-23
    Certificate of registration issued as N4593 to the current registrant.
  • 2013-04-30
    N4593 previously assigned to a Grumman G-164A (s/n 1082); cancelled.
Overview

About N4593

N4593 is a Skydio X10, serial number 1668BR40EA00NN44. The FAA register lists U S Department of Energy as the registrant in Oak Ridge, Tennessee. The current certificate of registration was issued on December 23, 2024 and expires on December 31, 2031.

The FAA aircraft reference file describes the type as a drone (small uas).

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N4593. 3 earlier records involve a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1993-05-27 Accident · Weiner, AR Damage: Substantial NTSB · FTW93LA169
Reported aircraft: Grumman G-164A — a different aircraft that carried the N4593 registration before this airframe.
Probable cause: PARTIAL POWER LOSS DUE TO IMPROPER INSTALLATION OF THE LINKAGE CONTROL BRACKET. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.
1984-07-25 Accident · Chamerlain, SD Damage: Substantial NTSB · DEN84LA235
Reported aircraft: Grumman G-164A — a different aircraft that carried the N4593 registration before this airframe.
1979-10-08 Accident · Vincent,Al, 01 Damage: Substantial NTSB · 3 3633
Reported aircraft: Grumman G-164A — a different aircraft that carried the N4593 registration before this airframe.
Probable cause: OF #8 CYL.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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More from Skydio

Skydio models on the register

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Browse: Aircraft registered in Tennessee· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.