Aircraft Tire Specs: three_part_nomenclature
Aircraft tire dimensions, load ratings, and inflation pressures — Type III (general aviation), Type VII (classic jet transport), and three-part nomenclature tires — spanning general aviation through wide-body transport, military, and helicopter applications per T&RA Year Book and TSO-C62
| tire type | size designation | application class | contact area in2 (in2) | flat tire radius in (in) | loaded radius in (in) | max bottoming load lb (lb) | max static load lb (lb) | outer diameter in (in) | ply rating | rated inflation psi (psi) | rim diameter in (in) | section width in (in) | size designation base | speed rating mph (mph) | typical aircraft | weight lb (lb) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| three_part_nomenclature | 17.5x5.75-8_10PR | helicopter | 18.5 | 6.3 | 7.6 | 8,550 | 2,850 | 17.5 | 10 | 120 | 8 | 5.75 | 17.5x5.75-8 | 150 | Sikorsky S-70 Black Hawk; Bell UH-1 Iroquois; Robinson R44 | 6.5 |
| three_part_nomenclature | 18x4.4-10_12PR | helicopter | 14 | 6.5 | 7.8 | 12,300 | 4,100 | 18 | 12 | 180 | 10 | 4.4 | 18x4.4-10 | 210 | Bell 206 JetRanger main; Sikorsky S-76 main; Airbus H125 | 7.8 |
| three_part_nomenclature | 19.5x6.75-8_8PR | general_aviation | 22 | 7.1 | 8.5 | 9,600 | 3,200 | 19.5 | 8 | 90 | 8 | 6.75 | 19.5x6.75-8 | 160 | Beechcraft King Air 90 nosewheel; Cessna Citation I | 9.8 |
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