Crochet Airplane Application
1st row: 3 chain sts, 5 double crochets in the middle of ring. Crochet in straight-turn way (not around);
2nd row: 3 chain sts, 4 double crochets with one top (crochet together);
3rd row: chain st, 2 single crochets, 1 half double crochet, 2 treble crochets;
4th row: 12 chain sts;
5th row: chain st, 3 single crochets, 3 half double crochets, 3 double crochets, 3 treble crochets with common top (crochet together), 2 treble crochets, 1 double crochet, 3 chain sts, 1 half double crochet;
6th row: chain st, 1 single crochet, 1 half double crochet, 5 half double crochets. For the tail of the plane, don't finish crocheting: 4 chain sts, 1 st increase, 1 single crochet, 1 half double crochet, 2 double crochets, 4 chain sts, 1 st increase, 1 sinlge crochet, 1 half double crochet, 1 double crochet. By means of slip st crochet in the last chain st of the 4th row.
Upper Airplane Wing
Make 6 chain sts in the 5th st of 6th row, 2 sts of increase, 3 half double crochets, 2 double crochets with one top (together), 1 double crochet, slip st to the 3rd st of the 6th row.
Lower Airplane Wing
Start making chain sts in the 5th st of the 4th row, 8 chain sts, 2 sts increase, 2 half double crochets, 4 treble crochets, slip st in the 1st st of the 4th row.