Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4137K.
| Tail Number / N-Number | N4137K |
| Manufacturer | RYAN |
| Model | NAVION |
| Year Built | 1947 |
| Manufacturer's Serial Number | NAV-4-1137 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | E185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Government |
| Owner Name | BOARD OF EDUCATION CITY OF NEW YORK |
| Street | 1 WELLS ST |
| City | BROOKLYN |
| State | NY |
| Zip Code | 11208 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-04 |
| Certificate Issue Date | 1975-11-01 |
| Last Action Date | 2008-01-15 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-08-14 |
| Mode S Code | 51161234 |
| Mode S Code Hex | A4E29C |