176:
37:
155:
30:
46:
8:
84:
79:
15:
50:
74:
64:
170:
94:
69:
147:
137:
132:
127:
122:
112:
107:
102:
117:
177:
Manufacturer-based aircraft engine navigational boxes
45:
168:
31:
38:
24:
169:
19:
13:
14:
188:
1:
148:Horizontally opposed engines
7:
10:
193:
146:
93:
57:
164:
163:
184:
40:
33:
26:
17:
16:
192:
191:
187:
186:
185:
183:
182:
181:
167:
166:
165:
160:
142:
89:
53:
44:
12:
11:
5:
190:
180:
179:
162:
161:
159:
158:
152:
150:
144:
143:
141:
140:
135:
130:
125:
120:
115:
110:
105:
99:
97:
95:Radial engines
91:
90:
88:
87:
82:
77:
72:
67:
61:
59:
55:
54:
43:
42:
35:
28:
20:
9:
6:
4:
3:
2:
189:
178:
175:
174:
172:
157:
154:
153:
151:
149:
145:
139:
136:
134:
131:
129:
126:
124:
121:
119:
116:
114:
111:
109:
106:
104:
101:
100:
98:
96:
92:
86:
83:
81:
78:
76:
73:
71:
68:
66:
63:
62:
60:
56:
52:
49:aircraft and
48:
41:
36:
34:
29:
27:
22:
21:
18:
51:aero engines
23:
85:Sportwing
80:Sportster
171:Category
58:Aircraft
75:Playboy
65:Airster
47:Kinner
156:O-552
70:Envoy
138:R-56
133:R-53
108:B-54
128:R-5
123:K-5
118:C-7
113:C-5
103:B-5
173::
39:e
32:t
25:v
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