Naime, svaka letjelica u zraku mora imati svoj dodjeljeni " squawk code ".

Sljedece, 1972 godine izdaju drugi album Squawk.

Ovi tu su, unatoč tome što bi trebali spadati u žešće poklonike glazbe - prepristojni, iako mnogi izgledaju na prvi pogled spremni na slam, pogo i nered, onako punkerski nakićeni, natapirani i to po svim pravilima struke (s tim da je cijela HC ideja kritika punka, a MDC i sami imaju rugalicu " Chicken squawk " za iste).

10:04:27 Zagreb Upp Bealine 476, roger, call me passing Zagreb, flight level 330, Squawk Alpha 2312

In a few weeks ' time he returned and saw that his rooster didn ' t squawk as loudly

At 10:12:03 JP550 called the Zagreb middle sector controller to inform them that the aircraft was out of flight level 310. The last instructions given by Erjavec to JP550 were to call the upper sector controller on 134.45 MHz and to stop squawking the assigned squawk code.

By instructing JP550 to squawk Standby, Erjavec simply released a code allocated for the middle sector.