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ASN Wikibase Occurrence # 169555
Last updated: 4 August 2020
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Date:05-SEP-2014
Time:14:10
Type:Silhouette image of generic TBM9 model; specific model in this crash may look slightly different
Socata TBM700N (TBM900)
Owner/operator:Private
Registration: N900KN
C/n / msn: 1003
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:14 miles NE of Port Antonio -   Jamaica
Phase: En route
Nature:Private
Departure airport:Rochester Airport, NY (ROC/KROC)
Destination airport:Naples Airport, FL (KAPF)
Narrative:
The TBM-900 airplane was en route from Rochester, NY to Naples, FL when it failed to change course to Naples. On a recording made by Live ATC - a website that monitors air traffic control recordings - and quoted by the Associated Press, the pilot can be heard saying: "We need to descend to about (18,000 feet). We have an indication that's not correct in the plane."A controller replies: "Stand by." After a pause, the controller tells the pilot to fly at 25,000ft. "We need to get lower," the pilot responded. "Working on that," the controller says. Controllers then clear the plane to descend to 20,000 feet and the pilot acknowledges the command but does not descend.

The airplane continued off the east coast of Florida, over the Bahamas and Cuba before it lost altitude north of Jamaica. The airplane reportedly crashed near Jamaica after running out of fuel. According to a review of preliminary radar data received from the FAA, the airplane entered a high rate of descent from FL250 prior to impacting the water. The last radar target was recorded over open water about 10,000 feet at 18.3547N, 76.44049W. The two occupants (pilot and one passanger) are died in the crash. The remains of the deceased were recovered on Monday 19 January 2015.

In U.S. airspace the airplane was tracked by two F-15 jets who reported that the cockpit windows were frosted up.

Jamaica delegated the investigation now to NTSB.

Daher-Socata has also issued Service Information 2014-008, “Review of High-altitude Operations” in response to this incident.

Probable Cause: The design of the cabin pressurization system, which made it prone to unnecessary shutdown, combined with a checklist design that prioritized troubleshooting over ensuring that the pilot was sufficiently protected from hypoxia. This resulted in a loss of cabin pressure that rendered the pilot and passenger unconscious during cruise flight and eventually led to an in-flight loss of power due to fuel exhaustion over the open ocean.

Sources:

1. NTSB Identification: ERA14LA424 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20140905X14545&key=1&queryId=8bcbc6b7-553d-4779-b43c-a70096080495&pgno=1&pgsize=100
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=900KN
3. http://jamaica-gleaner.com/article/news/20140905/unresponsive-plane-crashes-near-port-antonio-jamaica
4. https://rbj.net/article.asp?aID=210489
5. http://www.bbc.co.uk/news/world-us-canada-29082666
6. https://globalnews.ca/news/1546434/norad-fighter-jets-escorting-small-aircraft-over-atlantic/utm_source=Article&utm_medium=MostPopular&utm_campaign=2014
7. http://www.jamaicaobserver.com/latestnews/PLANE-CRASH-UPDATE--US-Coast-Guard-withdraws-from-search
8. https://www.flightglobal.com/news/articles/ntsb-assigns-investigator-to-lead-tbm-900-crash-probe-403596/
9. https://www.ainonline.com/aviation-news/ainalerts/2014-10-07/socata-issues-operator-bulletin-wake-tbm-crashev_id=20140905X14545&key=1
10. http://www.jamaicaobserver.com/news/Remains-of-Larry-and-Jane-Glazer-recovered
11. https://twitter.com/hashtag/N900KN?src=hash&ref_src=twsrc%5Etfw
12. http://www.jamaicaobserver.com/news/report-design-flaw-caused-2014-plane-crash-off-coast-of-jamaica_117849?profile=1373


Revision history:

Date/timeContributorUpdates
05-Sep-2014 18:35 harro Added
05-Sep-2014 18:37 harro Updated [Aircraft type, Source, Embed code]
05-Sep-2014 18:49 harro Updated [Location, Country, Embed code, Narrative]
05-Sep-2014 19:14 harro Updated [Total fatalities, Location, Source, Narrative]
05-Sep-2014 19:15 harro Updated [Cn, Other fatalities, Damage, Narrative]
05-Sep-2014 19:55 gerard57 Updated [Total fatalities, Total occupants, Source, Narrative]
05-Sep-2014 19:56 harro Updated [Time, Source]
06-Sep-2014 04:33 Geno Updated [Source]
06-Sep-2014 07:15 Aerossurance Updated [Narrative]
06-Sep-2014 07:18 Aerossurance Updated [Source]
06-Sep-2014 07:18 Aerossurance Updated [Source]
06-Sep-2014 16:13 BLT Updated [Total fatalities, Total occupants]
06-Sep-2014 17:50 Aerossurance Updated [Source]
07-Sep-2014 06:21 Chieftain Updated [Total fatalities, Total occupants, Source]
07-Sep-2014 18:11 Aerossurance Updated [Source, Damage, Narrative]
11-Sep-2014 15:33 Aerossurance Updated [Source, Narrative]
14-Sep-2014 08:54 Aerossurance Updated [Time, Source, Narrative]
07-Oct-2014 20:20 Aerossurance Updated [Source, Narrative]
21-Jan-2015 18:47 gerard57 Updated [Source, Damage, Narrative]
31-Jul-2016 20:56 Dr.John Smith Updated [Time, Operator, Location, Source, Narrative]
31-Jul-2016 20:59 Dr.John Smith Updated [Source, Embed code]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Aug-2018 15:27 wf Updated [Embed code, Damage]
30-Mar-2019 15:26 Aerossurance Updated [Operator, Location, Source, Narrative]

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