| Tail Number / N-Number | N37521 |
| Manufacturer | BOEING |
| Model | 737-9 |
| Year Built | 2019 |
| Manufacturer's Serial Number | 64497 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 48 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL |
| Engine Model | LEAP-1B28B |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 29,317 pounds-force (130.4 kN) |
| Total Thrust | 58,634 pounds-force (260.8 kN) |
| Type of Registrant | Corporation |
| Owner Name | WILMINGTON TRUST CO TRUSTEE |
| Street | ATTN CORPORATE TRUST ADMIN 1100 N MARKET ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19890-0001 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2020-12-11 |
| Certificate Issue Date | 2020-12-17 |
| Last Action Date | 2020-12-17 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51044426 |
| Mode S Code Hex | A44916 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N37521.
| Tail Number / N-Number | N37521 |
| Manufacturer | DOUGLAS |
| Model | DC-6 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 43010 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 96 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | DW-CA SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 4 engines |
| Horsepower per Engine | 2,300 hp (1,716 kW) |
| Total Horsepower | 9,200 hp (6,863 kW) |
| Average Cruising Speed | 225 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SALE REPORTED |
| Street | P. O. BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Standard |
| Last Action Date | 1977-01-14 |
| Last Status | Sale reported |
| Cancellation Date | 1976-06-10 |