You will notice that on the tape shown the controller did not use any call sign , I suspect the LH saw the intruder and did not question the order.
These tapes are NOT complete and don't paint a full picture. That people here are commenting about not hearing a takeoff clearance for LH is just insulting, frankly, to JFK TWR and LH.
Exactly.
And it is just as likely that the "(callsign)" preceding "Cancel takeoff clearance" was omitted from the recording for the same reasons that the takeoff clearance itself was omitted--the recording originated from a scanner, which is not monitoring a single frequency, but scanning several frequencies.
It appears the recording could have originated from one of two feeds at LiveATC:
JFK Ground: 121.900
JFK Ground: 121.650
JFK Tower (4L/22R, 13R/31L): 123.900
JFK Tower (4R/22L, 13L/31R): 119.100
TCA (Class B 2000ft/below within 8nm): 125.250
or
JFK Tower (4L/22R, 13R/31L): 123.900
JFK Tower (4R/22L, 13L/31R): 119.100
TCA (Class B 2000ft/below within 8nm): 125.250
Does that help everybody to understand how any audio aquired from that website is most likely to be
incomplete?
Reference the question of phraseology, in the thread down in the ATC Issues section of this site, there is a post by member controllerzhu, which describes the correct phraseology:
http://www.pprune.org/atc-issues/455...ml#post6530603
If that member's word is not good enough, the applicable part of the ATC order 7110.65 can be found online. (Link includes both sections for Takeoff Clearance, and Cancellation of Takeoff Clearance.):
http://www.faa.gov/air_traffic/publi...atc0309.html.9
3-9-10. CANCELLATION OF TAKEOFF CLEARANCE
Cancel a previously issued clearance for takeoff and inform the pilot of the reason if circumstances require. Once an aircraft has started takeoff roll, cancel the takeoff clearance only for the purpose of safety.
NOTE-
In no case should a takeoff clearance be canceled after an aircraft has started its takeoff roll solely for the purpose of meeting traffic management requirements/EDCT.
PHRASEOLOGY-
CANCEL TAKEOFF CLEARANCE (reason).
As usual, I will be happy to be corrected if any of the above is inaccurate.