mmmm not sure, i grabbed to string and tested it in https://www.w3schools.com/graphics/tryit.asp?filename=trysvg_stroke
//Hawker - by Brendon Cox
//750 H25B
var _h25b = {
key: "h25b",
scale: 0.40,
size: [64, 64],
anchor: [32, 32],
path: "M 32.207207,4.8408408 31.092213,6.3506265 30.03003,9.5705706 29.354354,11.747748 29.054054,12.873874 28.903904,26.08306 6.1561562,36.672673 5.9309309,37.08306 5.7807808,37.423423 v 3.378379 l 1.1261261,-0.450451 9.7540461,-2.027027 9,-0.75075 c -0.03154,0.03371 -0.03246,0.171306 0,0.138488 l 0.239948,3.915566 1.051051,4.455432 0.900901,0.424448 h 0.45045 l 0.675676,-0.675676 h 1.681974 l 0.795503,2.777778 -8.708708,4.129129 -0.525526,0.45045 -0.225225,0.600601 0.07507,3.153153 9.684685,-1.576577 0.525525,2.477478 0.525526,-2.477478 9.853145,1.426427 -0.09338,-3.153153 -0.506615,-0.55658 -0.244136,-0.494471 -8.858859,-3.828829 0.825826,-2.777778 1.651651,0.101078 0.525526,0.499523 h 0.699992 l 1,-0.750751 1,-4.954955 c 0,-3.303303 0.148977,-3.460217 0,-3.303303 l 10.513217,1.051051 8.708709,1.726726 0.975976,0.07507 0.07507,-3.153153 -0.15015,-0.375375 -0.525526,-0.3003 L 35.435435,25.711712 V 12.948949 L 34.478876,9.7067408 33.258258,6.364606 Z"
};
or Piaware version
//Hawker - by Brendon Cox
//750 H25B
'h25b': {
svg: '<svg xmlns="[http://www.w3.org/2000/svg](http://www.w3.org/2000/svg)" viewBox="0 0 64 64" width="35px" height="35px" add_stroke_selected><defs><style>.cls-1{fill:aircraft_color_fill;stroke:aircraft_color_stroke;stroke-width:0.5;}</style></defs><title>h25b_live</title><g id="Layer_2" data-name="Layer 2"><g id="H25B"><path class="cls-1" d="M 32.207207,4.8408408 31.092213,6.3506265 30.03003,9.5705706 29.354354,11.747748 29.054054,12.873874 28.903904,26.08306 6.1561562,36.672673 5.9309309,37.08306 5.7807808,37.423423 v 3.378379 l 1.1261261,-0.450451 9.7540461,-2.027027 9,-0.75075 c -0.03154,0.03371 -0.03246,0.171306 0,0.138488 l 0.239948,3.915566 1.051051,4.455432 0.900901,0.424448 h 0.45045 l 0.675676,-0.675676 h 1.681974 l 0.795503,2.777778 -8.708708,4.129129 -0.525526,0.45045 -0.225225,0.600601 0.07507,3.153153 9.684685,-1.576577 0.525525,2.477478 0.525526,-2.477478 9.853145,1.426427 -0.09338,-3.153153 -0.506615,-0.55658 -0.244136,-0.494471 -8.858859,-3.828829 0.825826,-2.777778 1.651651,0.101078 0.525526,0.499523 h 0.699992 l 1,-0.750751 1,-4.954955 c 0,-3.303303 0.148977,-3.460217 0,-3.303303 l 10.513217,1.051051 8.708709,1.726726 0.975976,0.07507 0.07507,-3.153153 -0.15015,-0.375375 -0.525526,-0.3003 L 35.435435,25.711712 V 12.948949 L 34.478876,9.7067408 33.258258,6.364606 Z"/></g></g></svg>',
size: [35,35]
},