ATR 42 and ATR 72 family
The ATR 42 and ATR 72 line on this site has eight variants. Length runs from the 42-300/320 to the 72-201/202, a spread of 14.7 ft (19.8%). Four different wingspans appear across the line. Maximum takeoff weight grows by 36.5% from the lightest variant to the heaviest. All share Design Group III and Approach Category B.
The 72-500’s FAA reference approach speed, 120 kt, the input for its Approach Category, is 1 kt under the 121 kt floor of Category C. The 72-500 has the shortest wingspan in Design Group III (77 types). The 72-600 has the narrowest main gear in Design Group III (77 types). The 72-500 has the 3rd-lowest wingspan-to-length ratio among the 68 turboprops on this site. Among the 80 families on this site, the line has the 3rd-most variants.
Every variant, shortest first
| Variant | Wingspan | Length | Tail height | Max. takeoff weight | Codes |
|---|---|---|---|---|---|
| ATR 42-300/320 | 80.7 ft | 74.4 ft | 24.9 ft | 36,825 lb | III-B |
| ATR 42-400 | 80.7 ft | 74.4 ft | 24.9 ft | 36,817 lb | III-B |
| ATR 42-500 | 80.7 ft | 74.4 ft | 24.9 ft | 41,005 lb | III-B |
| ATR 42-600 | 80.7 ft | 74.4 ft | 24.9 ft | 41,005 lb | III-B |
| ATR 72-500 | 80.6 ft | 89.1 ft | 25.1 ft | 50,265 lb | III-B |
| ATR 72-211/212 | 88.7 ft | 89.1 ft | 25.1 ft | 47,399 lb | III-B |
| ATR 72-600 | 88.7 ft | 89.1 ft | 25.1 ft | 50,265 lb | III-B |
| ATR 72-201/202 | 88.8 ft | 89.1 ft | 25.1 ft | 47,400 lb | III-B |
The 42-300/320, the 42-400, the 42-500 and the 42-600 publish identical dimensions; so do the 72-211/212 and the 72-600.
Source: FAA Aircraft Characteristics Database, October 2024 release. How we measure.