CVR transcript Aeromexico Flight 498 - 31 AUG 1986
Last updated: 16 October 2004
CVR transcript of the August 31, 1986 midair collision involving Aeromexico Flight 498, a DC-9-32 near Cerritos (USA).
Source: NTSB/AAR-87/07 Aircraft Accident Report Collision of Aeronaves de Mexico, SA McDonnell Douglas DC-9-32, XA-JED and Piper Pa-28-181, N4891F Cerritos, California August 31, 1986

The reader of these transcripts is cautioned that the transcription of a CVR tape is not a precise science but is the best possible product from a group investigative effort. The transcript, or parts thereof, if taken out of context can be misleading. Therefore, the CVR transcripts should only be viewed as an investigative tool to be used in conjunction with other evidence. Conclusions or interpretations should not be made using the transcript as the sole source of information.
Furthermore, this transcript is made available for educational purposes, so the reader is encouraged to read the accident description associated with the transcripts for better understanding of the circumstances.

Legenda:
COAST = Coast Approach Control
LA APP = Los Angeles TRACON (Approach Control)
RDO-1 = Radio transmission - Captain
CAM = Cockpit Area Microphone
CAM-1 = Cockpit Area Microphone - Captain
CAM-2 = Cockpit Area Microphone - First Officer
COMPANY = Aeromexico Company at Los Angeles IAP
@ = Expletive deleted
* = Unintelligible word
( ) = Questionable text
(( )) = Editorial insertion
time source content
11:41:21 RDO-1 Coast Approach good morning, this is Aeromexico four ninety eight is level one zero thousand
11:41:27 COAST Aeromexico four ninety eight, Coast Approach good morning, roger one zero thousand proceed direct Seal Beach El Toro altimeter two niner niner six
11:41:35 RDO-1 Direct Seal Beach altimeter two niner niner six
11:42:35 CAM-? * *
11:43:36 COAST Aeromexico four ninety eight, cross one zero miles southeast of Seal Beach at and maintain seven thousand
11:43:44 RDO-1 One zero miles seven thousand Aeromexico four ninety eight
11:44:54 RDO-1 Aeromexico four ninety eight is leaving one zero thousand for seven thousand
11:44:58 COAST Aeromexico four ninety eight roger
11:46:15 CAM-1 They are runways twenty four right and ah left
11:46:46 CAM ((Sound of LAX ATIS starts))
11:46:59 COAST Aeromexico four ninety eight contact Los Angeles Approach one two four point niner
11:47:03 RDO-1 One two four point niner, good day
11:47:04 CAM ((ATIS ends))
11:47:05 COAST Good day
11:47:23 CAM-2 --- departure
11:47:24 CAM-1 One seven and twenty four
11:47:28 RDO-1 Los Angeles Approach good morning, this is Aeromexico four sixty four four ninety eight uh we're leaving, we're level one, correction seven thousand
11:47:34 CAM-2 *
11:47:37 CAM-1 Yes man
11:47:39 LA APP Aeromexico four ninety eight Los Angeles Approach depart Seal Beach three two zero vector ILS two five left final approach, do you have Information Uniform
11:47:46 RDO-1 Affirmative two five left runway
11:47:49 CAM ((Sound similar altitude alert tone))
11:47:50 CAM-2 Two two zero for the runway ---
11:48:09 CAM ((Sound of attendent call tone))
11:48:14 CAM-2 Course two four nine ---
11:48:15 CAM-1 Flight director up
11:48:16 CAM-2 Flight director up
11:48:31 CAM-? *
11:49:35 RDO-1 Aeromexico *
11:49:40 COMPANY (Aeromexico four nine eight go ahead)
11:49:41 CAM ((Sound of tone))
11:49:41 COMPANY * * Aeromexico four ninety eight estimate fifteen minutes, you have assigned gate one hundred and nineteen and ninteen one one nine awaiting your arrival
11:49:52 RDO-1 Thany you (four one) eight nine
11:50:05 CAM ((Unintelligible female voice))
11:50:08 LA APP Aeromexico four ninety eight, reduce speed to two one zero
11:50:46 LA APP Aeromexico four ninety eight, taffic ten o'clock one mile northbound, altitude unknown
11:50:50 RDO-1 Roger four ninety eight
11:51:03 LA APP Aeromexico four ninety eight reduce speed to one niner zero then descend and maintain six thousand
11:51:09 RDO-1 One niner zero an then descend and maintain six thousand
11:51:20 CAM-2 *
11:51:30 CAM-1 Thank you
11:51:44 LA APP Aeromexico four ninety eight maintain your present speed
11:51:48 RDO-1 Roger Aeromexico four ninety eight uh what speed do you want, we're reducing to two niner to one niner zero
11:51:57 LA APP Okay, you can hold what you have sir, and we have a change in plans here, stand by
11:52:00 RDO-1 All right we'll maintain one nine --- nine zero
11:52:10 CAM-1 Oh @ this can't be
11:52:18 LA APP Aeromexico four ninety eight, expect the ILS runway two four right approach localizer frequency is one zero eight point five
11:52:32   ((End of tape))