| Tail Number / N-Number | N305UA |
| Manufacturer | DRS TECHNOLOGIES |
| Model | SENTRY HP |
| Manufacturer's Serial Number | HP-32 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Government |
| Owner Name | UNIV OF ALASKA FAIRBANKS GEOPHYSICAL INSTITUTE |
| Street | 903 KOYUKUK DR |
| City | FAIRBANKS |
| State | AK |
| Zip Code | 99775-0001 |
| Region | Alaskan |
| County | Fairbanks North Star Borough |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-05-15 |
| Last Action Date | 2022-06-28 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 50631650 |
| Mode S Code Hex | A333A8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N305UA.
| Tail Number / N-Number | N305UA |
| Manufacturer | BOEING |
| Model | 737-322 |
| Year Built | 1987 |
| Manufacturer's Serial Number | 23666 |
| 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 AIR LINES INC |
| Street | ATTN: TREASURER 77 W WACKER DR |
| City | CHICAGO |
| State | IL |
| Zip Code | 60601-1604 |
| County | Fairbanks North Star Borough |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1987-01-27 |
| Certificate Issue Date | 1987-02-10 |
| Last Action Date | 2012-03-30 |
| Last Status | Valid Registration |
| Cancellation Date | 2013-03-18 |