Vintage / Pre-1950
Scoring thresholds
FLARE applies these curves to every aircraft in this category, except where an aircraft carries its own G-force curve or tail-strike limit. Scores fall in a straight line between the points, from 0 to 100 per criterion; the composite formula is documented in the scoring methodology.
Descent rate at touchdown
| fpm | Score |
|---|---|
| ≤ 60 fpm | 100 |
| ≤ 120 fpm | 90 |
| ≤ 210 fpm | 75 |
| ≤ 330 fpm | 55 |
| ≤ 450 fpm | 35 |
| ≤ 600 fpm | 10 |
G-force at touchdown
| Peak G | Score |
|---|---|
| ≤ 1.10 g | 100 |
| ≤ 1.20 g | 90 |
| ≤ 1.35 g | 75 |
| ≤ 1.55 g | 55 |
| ≤ 1.75 g | 35 |
| ≤ 2.00 g | 10 |
Other thresholds
- Ideal touchdown zone
- 50–250 m
- Tail-strike limit
- 11°
- Approach-speed tolerance
- ±13% of Vref, min 10 kt
Aircraft in this category
The 30 named aircraft FLARE recognizes in this category. ★ marks a hand-written landing guide. Vref is quoted at the aircraft's reference weight, usually its maximum landing weight, and FLARE adjusts it to the weight you land at.
| Aircraft | Vref |
|---|---|
| Antonov An-2 | 69 kt |
| Beechcraft Model 17 Staggerwing | 68 kt |
| Beechcraft Model 18 Twin Beech | 87 kt |
| Boeing 247D | 70 kt |
| Boeing 307 Stratoliner | 76 kt |
| Boeing 314 Clipper | 90 kt |
| Caudron Rafale 430 | 67 kt |
| Curtiss JN-4 Jenny | 52 kt |
| De Havilland DH-89 Dragon Rapide | 67 kt |
| Dornier Do J Wal | 75 kt |
| Dornier Do X | 81 kt |
| Douglas C-47D Skytrain | 69 kt |
| Douglas C-54 / DC-4 Skymaster | 95 kt |
| Douglas DC-3 | 68 kt |
| Douglas DC-6 | 106 kt |
| Fokker F.VII | 60 kt |
| Ford 4AT Trimotor | 64 kt |
| Granville Gee Bee R2/Z | 102 kt |
| Grumman J2F Duck | 79 kt |
| Hughes Aircraft H-4 Hercules (Spruce Goose) | 98 kt |
| Junkers F13 | 62 kt |
| Junkers Ju 52 | 74 kt |
| Klemm L25 | 42 kt |
| Latécoère 631 | 110 kt |
| Lockheed L-1049 Super Constellation | 114 kt |
| Ryan NYP Spirit of St. Louis | 80 kt |
| Savoia-Marchetti S.55 | 74 kt |
| Spartan 7W Executive | 68 kt |
| Waco CG-4A | 59 kt |
| Wright Cycle Co. Wright Flyer | 27 kt |
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