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Piasecki Helicopter, Vertol
, and
Boeing Rotorcraft Systems
model numbers
1
2
3
11
12
14
15
17
18
21
22
26
29
32
34
42
43
44
45
47
49
51
63
71
76
82
90
105
107
114
119
129
137
141
143
145
147
150
157
160
165
166
167
173
176
177
179
180
210
213
215
216
219
222
227
234
235
237
297
298
299
301
307
308
309
340
347
352
360
414
Categories
:
Manufacturer-based aircraft navigational boxes
Boeing navigational boxes