ABSTRACT
The 107 Type 1 “unconfirmed” failure times (h) plotted in Table 74.1 are for ARC-1 VHF transmitter–receivers (TRX) units of a single commercial airline [1,2]. Histograms for the unconfirmed failures showed that the exponential model might apply [1]. Type 1 Failure Times (h) for 107 Radio TRX
8
40
88
112
136
176
232
304
400
8
48
88
112
136
176
240
304
424
8
48
88
112
144
184
246
304
440
16
56
88
112
144
184
248
312
456
16
56
96
112
152
184
256
320
472
24
64
96
114
152
200
256
320
472
24
64
104
114
160
200
256
344
480
24
72
104
120
168
208
272
360
512
24
72
104
120
168
208
272
368
560
32
72
104
120
168
216
272
368
584
32
80
104
128
168
216
280
392
616
40
80
104
136
176
224
288
392
