Models
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| ERCOUPE 415-C | Fixed wing single engine | 272 | 267 | 1941-1955 |
| 415-C | Fixed wing single engine | 160 | 158 | 1940-1957 |
| ERCOUPE 415-CD | Fixed wing single engine | 31 | 31 | 1946-1948 |
| 415-D | Fixed wing single engine | 24 | 24 | 1946-1947 |
| ERCOUPE 415-D | Fixed wing single engine | 24 | 24 | 1946-1946 |
| 415-CD | Fixed wing single engine | 16 | 15 | 1946-1947 |
| ERCOUPE 415-E | Fixed wing single engine | 11 | 11 | 1946-1948 |
| 415-E | Fixed wing single engine | 7 | 7 | 1946-1948 |
| 415-G | Fixed wing single engine | 3 | 3 | 1950-1950 |
| ERCOUPE 415-G | Fixed wing single engine | 2 | 2 | 1949-1950 |
Engineering & Research aircraft in the FAA registry
The Federal Aviation Administration (FAA) registry lists 550 aircraft under the manufacturer name "ENGINEERING & RESEARCH." This data reflects the status as of 2026-10-16. Of these registrations, 543 are currently valid. The fleet consists mainly of fixed-wing, single-engine aircraft powered by reciprocating engines. All 550 aircraft fall under the standard airworthiness class.
Registered Engineering & Research Aircraft Models
The registry contains 10 distinct models. The Ercoupe 415-C is the most common variant, with 272 aircraft recorded. These were built between 1945 and 1947 and feature two seats. Another 160 aircraft are listed simply as the 415-C, built from 1941 to 1953. The Ercoupe 415-CD accounts for 31 registrations, built from 1946 to 1948. The 415-D model has 24 registrations, built in 1946 and 1947. The Ercoupe 415-D also has 24 registrations, built in 1946. The 415-CD variant has 16 registrations, built from 1946 to 1947.
Type Certificates and Registry Details
Type certificate data sheets (TCDS) provide technical specifications for these models. TCDS A-718, held by Univair Aircraft Corporation, covers the 415-C model. TCDS A-787, also held by Univair Aircraft Corporation, covers the 415-D model.
Geographic distribution shows Texas with 53 registrations, California with 35, and Florida with 28. Most aircraft in the registry were built between 1941 and 1950. Half of the fleet was built in 1946 or earlier. Each model page includes specifications and the relevant TCDS. Every aircraft has a registration record by N-number for lookup.
Figures from the FAA registry file as of Oct 16, 2026.