| Tail Number / N-Number | N51876 |
| Manufacturer | BOEING |
| Model | PT-17 |
| Year Built | 1941 |
| Manufacturer's Serial Number | 75-525 |
| 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 | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | LLC |
| Owner Name | MISSION BOSTON D DAY LLC |
| Street | PO BOX 774000-367 |
| City | STEAMBOAT SPRINGS |
| State | CO |
| Zip Code | 80477 |
| Region | Northwest Mountain |
| County | Routt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-07-03 |
| Certificate Issue Date | 2012-09-27 |
| Last Action Date | 2021-10-12 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51501223 |
| Mode S Code Hex | A68293 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51876.
| Tail Number / N-Number | N51876 |
| Manufacturer | FAIRCHILD |
| Model | PT-19B |
| Manufacturer's Serial Number | T435202 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCGRATH WM A |
| Street | 415 SECOND ST |
| City | TROY |
| State | NY |
| Zip Code | 12180 |
| Region | Eastern |
| County | Routt County |
| Certificate Issue Date | 1951-08-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-04-01 |