Swissair Timeline

Incorporating R/T Transcript (NB: WHITE and OLIVE CELLS REFLECT AMENDED DATA) -source CTSB via TVB

Halifax Time from Time from Time before Altitude Distance          
Time "Pan … Smell Impact (est.) to Hfx 06 Speed Event ATC    
8:50:00.0 - 1:24:18.0 - 1:20:51.0 1:41:13       Takeoff from JFK      
9:58:18.8 - 15:59.2 - 12:32.2 33:06.2 32,900       Swissair 111: Moncton Centre, Swissair one eleven heavy good uh evening level three three zero.  
9:58:23.4 - 15:54.6 - 12:27.6 33:01.6         Moncton ATC: Swissair one eleven heavy Moncton Centre. Good evening reports of uh occasional light turbulence at all levels.  
9:58:29.1 - 15:48.9 - 12:21.9 32:55.9         Swissair 111: Moncton Swissair  
10:10:51.0 - 03:27.0 00:00.0 20:34.0   145.6   Pilot notices odor -- First indication of trouble.      
10:14:03.0 - 00:15.0 03:12.0 17:22.0 32,900 116.1          
10:14:10.9 - 00:07.1 03:19.9 17:14.1   114.8     Swissair 111: [Unintelligible squelch covered by United 920]  
10:14:15.0 - 00:03.0 03:24.0 17:10.0   114.2     Moncton ATC: United nine two zero heavy Moncton Centre good evening occasional light turbulence reported at all levels. Other aircraft calling say again.  
10:14:18.0 - 00:00.0 03:27.0 17:07.0 32,900

65.5nm

291

heading 086

Swissair 111: Swissair one eleven heavy is declaring Pan Pan Pan. We have uh smoke in the cockpit, uh request (deviate), immediate return uh to a convenient place, I guess uh Boston [Unintelligible].  
10:14:18.0 - 00:00.0 03:27.0 17:07.0 32,900 113.8     Swissair 111: Swissair one eleven heavy is declaring Pan Pan Pan. We have uh smoke in the cockpit, uh request (deviate), immediate return uh to a convenient place, I guess uh Boston [Unintelligible].  
10:14:36.2 00:18.2 03:45.2 16:48.8   110.9     Moncton ATC: Swissair one eleven roger ... turn right proceed ...uh ... you say to Boston you want to go?  
10:14:36.2 00:18.2 03:45.2 16:48.8   110.9     Swissair 111: I guess Boston ... we need first the weather so uh we start a right turn here. Swissair one one one Heavy.  
10:14:48.2 00:30.2 03:57.2 16:36.8   109.1     Moncton ATC: Swissair one eleven roger and a descent to flight level three one zero. Is that okay?  
10:14:53.3 00:35.3 04:02.3 16:31.7   108.3     Swissair 111: Three one zero [Unintelligible words obscured by a noise. Possibly the noise associated with donning oxygen masks] Three one zero *** one one heavy.  
10:15:03.0 00:45.0 04:12.0 16:22.0   106.8          
10:15:06.1 00:48.1 04:15.1 16:18.9   106.3     Moncton ATC: Swissair one eleven Centre.  
10:15:09.6 00:51.6 04:18.6 16:15.4   105.8     Swissair 111: Swissair one eleven heavy go ahead.  
10:15:07.0 00:49.0 04:16.0 16:18.0 32,900

59.5nm

292

heading 102

     
10:15:11.6 00:53.6 04:20.6 16:13.4   105.5     Moncton ATC: Uh Would you prefer to go into Halifax?  
10:15:14.6 00:56.6 04:23.6 16:10.4   105.0     Swissair 111: Uh Standby  
10:15:18.0 01:00.0 04:27.0 16:07.0   104.5     Virgin 12 Moncton Virgin 12 will be standing by  
10:15:20.3 01:02.3 04:29.3 16:04.7   104.2     Moncton ATC: Virgin twelve roger standby.  
10:15:41.4 01:23.4 04:50.4 15:43.6   100.9     Swissair 111: Affirmative for Swissair one eleven heavy. We prefer Halifax from our position.  
10:15:46.8 01:28.8 04:55.8 15:38.2   100.1     Moncton ATC: Swissair one eleven roger, proceed direct to Halifax, descend now to flight level two niner zero.  
10:15:51.7 01:33.7 05:00.7 15:33.3   99.3     Swissair 111: Level two niner zero to Halifax, Swissair one eleven heavy.  
10:16:01.3 01:43.3 05:10.3 15:23.7   97.8     BA 214: And uh Swissair one eleven heavy from Speedbird two one four I can give you the Halifax weather if you like?  
10:16:03.0 01:45.0 05:12.0 15:22.0   97.6          
10:16:07.1 01:49.1 05:16.1 15:17.9   96.9     Swissair 111: Swissair one eleven heavy we have the uh the oxygen mask on go ahead with the weather.  
10:16:13.4 01:55.4 05:22.4 15:11.6   96.0     BA 214: Okay it's the three hundred zulu weather was one zero zero at niner knots, one five miles, scattered at one two zero, broken at two five zero, plus seventeen, plus twelve, two niner eight zero, over.  
10:16:32.6 02:14.6 05:41.6 14:52.4   93.0     Swissair 111: Roger Swissair one eleven heavy we copy the ah altimeter is two niner eight zero.  
10:16:39.5 02:21.5 05:48.5 14:45.5   92.0     Moncton ATC: Swissair one eleven, you're cleared to ten thousand feet and the Hal...altimeter is two nine eight zero.  
10:16:44.7 02:26.7 05:53.7 14:40.3   91.2     Swissair 111: Two niner eight zero, ten thousand feet, Swissair one eleven heavy  
10:16:55.5 02:37.5 06:04.5 14:29.5   89.5     Moncton ATC: And Swissair one eleven uh can you tell me what your fuel on board is and the number of passengers?  
10:17:01.3 02:43.3 06:10.3 14:23.7   88.6     Swissair 111: Uh roger standby for this.  
10:17:03.0 02:45.0 06:12.0 14:22.0   88.3          
10:17:18.5 03:00.5 06:27.5 14:06.5   86.0     BA 1506: Speedbird one five zero six is at Tusky listening out.  
10:17:22.3 03:04.3 06:31.3 14:02.7   85.4     Moncton ATC: Speedbird one five zero six, roger  
10:18:03.0 03:45.0 07:12.0 13:22.0   79.1          
10:18:21.0 04:03.0 07:30.0 13:04.0 26,500 76.3 302        
10:18:22.3 04:04.3 07:31.3 13:02.7   76.1     Moncton ATC: Swissair one eleven you can contact Moncton Centre now one one niner decimal two.  
10:18:27.4 04:09.4 07:36.4 12:57.6   75.3     Swissair 111: One one niner point two for the Swissair one one one heavy.  
10:18:34.0 04:16.0 07:43.0 12:51.0   74.3     Moncton ATC: Roger  
10:18:37.3 04:19.3 07:46.3 12:47.7 25,400 73.8     Swissair 111: Moncton Centre good evening. Swissair one eleven heavy flight level two five four descending flight level two five zero on course Halifax. We are flying at the time on track zero five zero.  
10:18:49.8 04:31.8 07:58.8 12:35.2   71.9     Halifax ATC: Swissair one eleven good evening descend to three thousand, the altimeter is two nine seven nine.  
10:18:54.8 04:36.8 08:03.8 12:30.2   71.1     Swissair 111: Ah we would prefer at the time around uh eight thousand feet, two nine eight zero, until the cabin is ready for the landing.  
10:19:03.0 04:45.0 08:12.0 12:22.0   69.9          
10:19:03.9 04:45.9 08:12.9 12:21.1   69.7     Halifax ATC: Swissair one eleven uh you can descend to three, level off at an intermediate altitude if you wish. Just advise.  
10:19:10.2 04:52.2 08:19.2 12:14.8   68.8     Swissair 111: Roger. At the time we descend to eight thousand feet. We are anytime clear to three thousand. I keep you advised.  
10:19:17.5 04:59.5 08:26.5 12:07.5   67.6     Halifax ATC: Okay. Can I vector you uh to set up for runway zero six at Halifax?  
10:19:22.0 05:04.0 08:31.0 12:03.0 22,800 66.9 311        
10:19:22.4 05:04.4 08:31.4 12:02.6   66.9     Swissair 111: Ah say again latest wind, please.  
10:19:25.1 05:07.1 08:34.1 11:59.9   66.5     Halifax ATC: Okay, active runway Halifax zero six. Should I start you on a vector for six?  
10:19:29.3 05:11.3 08:38.3 11:55.7   65.8     Swissair 111: Yes, uh vectors for six will be fine Swissair one eleven heavy.  
10:19:34.0 05:16.0 08:43.0 11:51.0   65.1     Halifax ATC: Swissair one eleven roger, turn left heading of ah zero three zero.  
10:19:38.1 05:20.1 08:47.1 11:46.9   49.3     Swissair 111: Left ah heading zero three zero for the Swissair one eleven.  
10:19:42.5 05:24.5 08:51.5 11:42.5   48.8     Halifax ATC: Okay, it's a back course approach for runway zero six. The localizer frequency one zero niner decimal niner. You've got thirty miles to fly to the threshold.  
10:19:56.3 05:38.3 09:05.3 11:28.7         Swissair 111: Uh we need more than thirty miles, please ah say me again the frequency of the back beam.  
10:20:02.5 05:44.5 09:11.5 11:22.5         Halifax ATC: Swissair one eleven roger, you can turn left heading three six zero to lose some altitude, the frequency is one zero niner decimal niner for the localizer, it's a back course approach.  
10:20:03.0 05:45.0 09:12.0 11:22.0              
10:20:12.5 05:54.5 09:21.5 11:12.5  

25nm

 

hdg 026 alt 19800

ROD 3100fpm

IAS 320kts

Swissair 111: One zero niner point niner roger, and we are turning left to heading ah north. Swissair one eleven heavy.  
10:20:14.0 05:56.0 09:23.0 11:11.0 19,800   320        
10:21:03.0 06:45.0 10:12.0 10:22.0              
10:21:26.1 07:08.1 10:35.1 09:58.9         Halifax ATC: Swissair one eleven when you have time could I have the number of souls on board and your fuel onboard please for emergency services.  
10:21:30.0 07:12.0 10:39.0 09:55.0 15,700   318        
10:21:33.1 07:15.1 10:42.1 09:51.9         Swissair 111: Roger, at the time uh fuel onboard is uh two three zero tonnes. We must uh dump some fuel. May we do that in this area during descent? [Note: Two three zero tonnes represents the current gross weight of the aircraft not the amount of fuel on board]  
10:21:43.9 07:25.9 10:52.9 09:41.1         Halifax ATC: Uh okay, I am going to take you... Are you able to take a turn back to the south or do you want to stay closer to the airport?  
10:21:50.0 07:32.0 10:59.0 09:35.0         Swissair 111: Uh, standby short, standby short.  
10:22:02.1 07:44.1 11:11.1 09:22.9         Swissair 111: Okay we are able for a left or right turn towards the south to dump.  
10:22:03.0 07:45.0 11:12.0 09:22.0              
10:22:07.2 07:49.2 11:16.2 09:17.8         Halifax ATC: Swissair one-eleven uh roger, uh turn to the ah left heading of ah two zero zero degrees and ah advise me when you are ready to dump. It will be about ten miles before you are off the coast. You are still within about twenty five miles of the airport.  
10:22:23.3 08:05.3 11:32.3 09:01.7         Swissair 111: Roger, we are turning left and ah in that case we're descending at the time only to ten thousand feet to dump the fuel.  
10:22:32.6 08:14.6 11:41.6 08:52.4         Halifax ATC: Okay, maintain one zero thousand. I'll advise you when you are over the water. It will be very shortly.  
10:22:37.4 08:19.4 11:46.4 08:47.6  

17.5nm

 

hdg 335

alt 11,900ft

ROD 1500fpm

IAS 319kts

Swissair 111: Roger  
10:22:39.2 08:21.2 11:48.2 08:45.8         Swissair 111: (Du bisch i dr) emergency checklist (fur) air conditioning smoke? [Translation: (You are in the) emergency checklist for air conditioning smoke?]  
10:22:41.0 08:23.0 11:50.0 08:44.0 11,900   319        
10:22:45.9 08:27.9 11:54.9 08:39.1         Halifax ATC: Uh Swissair one eleven say again please.  
10:22:48.3 08:30.3 11:57.3 08:36.7         Swissair 111: Ah, sorry it was not for you Swissair one eleven was asking internally. It was my fault, sorry about.  
10:22:53.8 08:35.8 12:02.8 08:31.2         Halifax ATC: Okay  
10:23:03.0 08:45.0 12:12.0 08:22.0              
10:23:36.1 09:18.1 12:45.1 07:48.9         Halifax ATC: Swissair one-eleven continue left heading one-eight zero you'll be ah off the coast in about ah fifteen miles.  
10:23:42.2 09:24.2 12:51.2 07:42.8         Swissair 111: Roger, left heading one eight zero. Swissair one eleven ah and maintaining at ten thousand feet.  
10:23:42.2 09:24.2 12:51.2 07:42.8 10,000            
10:23:49.3 09:31.3 12:58.3 07:35.7         Halifax ATC: Roger.  
10:23:58.7 09:40.7 13:07.7 07:26.3         Halifax ATC: You will ah be staying within about ah thirty five, forty miles of the airport if you have to get to the airport in a hurry.  
10:24:03.0 09:45.0 13:12.0 07:22.0 10,000            
10:24:06.9 09:48.9 13:15.9 07:18.1         Swissair 111: Okay, that's fine for us. Please tell me when we can start ah to dump the fuel.  
10:24:11.8 09:53.8 13:20.8 07:13.2         Halifax ATC: Okay.  
10:24:31.1 10:13.1 13:40.1 06:53.9         Swissair 111: [Autopilot warbler] Ah Swissair one eleven. At the time we must fly ah manually. Are we cleared to fly between ah ten thou..eleven thousand and niner thousand feet? [Sound of Autopilot disconnect warbler]  
10:24:31.1 10:13.1 13:40.1 06:53.9       Autopilot anomaly shows on FDR …. First FDR indication of trouble      
10:24:41.7 10:23.7 13:50.7 06:43.3         Halifax ATC: Swissair one eleven you can block between ah five thousand and twelve thousand if you wish.  
10:24:42.0 10:24.0 13:51.0 06:43.0 10,200

25nm

318

hdg 179

alt 10,200ft

IAS 318kts

 

     
10:24:48.1 10:30.1 13:57.1 06:36.9         Swissair 111: Swissair one eleven heavy is declaring emergency  
10:24:49.4 10:31.4 13:58.4 06:35.6         Swissair 111: [Second Voice] (Roger) We are between uh twelve and five thousand feet we are declaring emergency now at ah time ah zero one two four (Possible intercom sound towards end of the transmission)  
10:24:59.0 10:41.0 14:08.0 06:26.0         Halifax ATC: Roger.  
10:24:59.5 10:41.5 14:08.5 06:25.5         Swissair 111: Eleven heavy we starting dump now we have to land immediate.  
10:25:03.0 10:45.0 14:12.0 06:22.0 10,000            
10:25:03.7 10:45.7 14:12.7 06:21.3         Halifax ATC: Swissair one eleven just a couple of miles I'll be right with you.  
10:25:07.1 10:49.1 14:16.1 06:17.9         Swissair 111: Roger. [Sound - Probable Autopilot disconnect warbler]  
10:25:08.4 10:50.4 14:17.4 06:16.6         Swissair 111: And we are declaring emergency now Swissair one eleven.  
10:25:11.6 10:53.6 14:20.6 06:13.4         Halifax ATC: Copy that.  
10:25:22.2 11:04.2 14:31.2 06:02.8         Halifax ATC: Swissair one eleven you are cleared to ah commence your fuel dump on that track and advise me ah when the dump is complete.  
10:25:41.0 11:23.0 14:50.0 05:44.0       FDR Ends      
10:25:41.0 11:23.0 14:50.0 05:44.0       CVR Ends      
10:25:46.0 11:28.0 14:55.0 05:39.0         Halifax ATC: Swissair one eleven check you're cleared to start the fuel dump.  
10:25:52.3 11:34.3 15:01.3 05:32.7         Swissair 111: [Unintelligible words, possibly just microphone clicks]  
10:26:07.0 11:49.0 15:16.0 05:18.0 9,700     Transponder Ends      
10:27:03.0 12:45.0 16:12.0 04:22.0              
10:28:03.0 13:45.0 17:12.0 03:22.0              
10:29:03.0 14:45.0 18:12.0 02:22.0              
10:30:03.0 15:45.0 19:12.0 01:22.0              
10:31:03.0 16:45.0 20:12.0 00:22.0              
10:31:10.0 16:52.0 20:19.0 00:15.0 600     Last Primary Radar Contact      
10:31:13.0 16:55.0 20:22.0 00:12.0              
10:31:25.0 17:07.0 20:34.0 00:00.0   240R/31.7nm

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  Seismic Peak (Impact plus a few seconds for shock waves to reach Bedford Institute, 30 miles away)      
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Last Updated on 4/01/99
By jrs

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