| Tail Number / N-Number | N938UA |
| Manufacturer | UNIVERSITY OF OKLAHOMA |
| Model | COPTER SONDE 2 |
| Manufacturer's Serial Number | CASS-0018 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Government |
| Owner Name | BOARD OF REGENTS FOR THE UNIVERSITY OF OKLAHOMA |
| Street | 120 DAVID L BLVD NWC 4600 |
| City | NORMAN |
| State | OK |
| Zip Code | 73072 |
| Region | Southwestern |
| County | Cleveland County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-04-12 |
| Last Action Date | 2021-04-12 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 53202444 |
| Mode S Code Hex | AD0524 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N938UA.
| Tail Number / N-Number | N938UA |
| Manufacturer | BOEING |
| Model | 737-522 |
| Year Built | 1992 |
| Manufacturer's Serial Number | 26671 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 149 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL. |
| Engine Model | CFM56 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Horsepower per Engine | 2,200 hp (1,641 kW) |
| Total Horsepower | 4,400 hp (3,282 kW) |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIRLINES INC |
| Street | ATTN TREASURER WILLIS TOWER 233 S WACKER DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60606-7147 |
| County | Cleveland County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1992-07-29 |
| Certificate Issue Date | 2013-04-01 |
| Last Action Date | 2013-04-01 |
| Last Status | Valid Registration |
| Cancellation Date | 2014-02-14 |