| Tail Number / N-Number | N27AF |
| Manufacturer | LEARJET INC |
| Model | 45 |
| Year Built | 2008 |
| Manufacturer's Serial Number | 2113 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | TFE731-20BR |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,650 pounds-force (16.2 kN) |
| Total Thrust | 7,300 pounds-force (32.5 kN) |
| Type of Registrant | LLC |
| Owner Name | AIR4 AVIATION LLC |
| Street | 8402 NELMS ST STE 1 |
| City | HOUSTON |
| State | TX |
| Zip Code | 77061-4134 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-11-10 |
| Certificate Issue Date | 2019-07-26 |
| Last Action Date | 2022-07-12 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50522051 |
| Mode S Code Hex | A2A429 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N27AF.
| Tail Number / N-Number | N27AF |
| Manufacturer | SCHWEIZER |
| Model | SGM2-37 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 7 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Government |
| Owner Name | UNITED STATES AIR FORCE |
| Other Names |
|
| Street | 34TH OG/OGQ 9206 AIRFIELD DR STE 1 |
| City | USAF ACADEMY |
| State | CO |
| Zip Code | 80840-2060 |
| County | Harris County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-04-26 |
| Certificate Issue Date | 1983-10-11 |
| Last Action Date | 2010-04-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-11-04 |