Drone (small UAS)

N939UA

Homebuilt Copter Sonde 2

Registered No accidents on file
Built
—
Serial
CASS-0019
Class
Drone (small UAS)
Engines
4
Status
Current as of October 2026
Registered owner
Board of Regents for the University of Oklahoma (Government)
Based
Norman, OK
Registration record

N939UA on the FAA register

Type
Homebuilt Copter Sonde 2
Serial
CASS-0019
Engines
4
Registered owner
Board of Regents for the University of Oklahoma
Norman, OK
Certificate issued
2021-08-17
Airworthiness date
—
Registration expires
2028-08-31
Airworthiness class
—
Mode S (hex)
AD08DB
Mode S (octal)
53204333
Weight class
UAV under 55 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-08-31
    Registration expires (renewal due).
  • 2021-08-17
    Certificate of registration issued as N939UA to the current registrant.
  • 2005-03-04
    N939UA previously assigned to a Boeing 737-522 (s/n 26672); cancelled.
Overview

About N939UA

N939UA is a Homebuilt Copter Sonde 2, serial number CASS-0019. The FAA register lists Board of Regents for the University of Oklahoma as the registrant in Norman, Oklahoma. The current certificate of registration was issued on August 17, 2021 and expires on August 31, 2028.

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 N939UA.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N939UA.

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

Same model

More Homebuilt Copter Sonde 2 aircraft

All 12 Homebuilt Copter Sonde 2 registrations →
Same state

Other aircraft registered in Oklahoma

All 5,643 aircraft registered in Oklahoma →

Own N939UA?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Oklahoma· 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.