Djuri Baars dsbaars

Analysis of Wing Detachment as a Safety Feature in the Delta CRJ-900 Toronto Crash

Executive Summary

The Delta Air Lines Flight DL4819 crash at Toronto Pearson International Airport on February 17, 2025, resulted in a rare but survivable scenario where the aircraft’s wings detached during impact. This report examines the engineering principles and safety mechanisms behind controlled wing separation, emphasizing its role in preserving fuselage integrity and enabling passenger survival. Insights are drawn from the Toronto incident, aviation design literature, and historical precedents.

	; PlatformIO Project Configuration File
	;
	; Build options: build flags, source filter
	; Upload options: custom upload port, speed and extra flags
	; Library options: dependencies, extra library storages
	; Advanced options: extra scripting
	;
	; Please visit documentation for the other options and examples
	; https://docs.platformio.org/page/projectconf.html
	;

	sensor:
	- platform: rest
	name: &device_name Device1
	resource: http://<ipaddress1>/api/system/info
	scan_interval: 60
	value_template: "{{ value_json.power }}" # Example primary value
	json_attributes:
	- power
	- voltage
	- current

	sensor:
	- platform: rest
	name: Device1
	resource: http://<ipaddress1>/api/system/info
	scan_interval: 60
	value_template: "{{ value_json.power }}" # Example primary value
	json_attributes:
	- power
	- voltage
	- current

	version: '3'
	services:
	db:
	image: mariadb
	container_name: nextcloud-mariadb
	networks:
	- nextcloud_network
	volumes:
	- db:/var/lib/mysql
	- /etc/localtime:/etc/localtime:ro

	type: custom:apexcharts-card
	header:
	show: true
	title: Nordpool Prize
	show_states: false
	graph_span: 2d
	now:
	show: true
	label: Nu
	span:

	RTL_IMAGE=shahanafarooqui/rtl:0.12.3
	THUNDERHUB_IMAGE=apotdevin/thunderhub:base-v0.13.13
	TOR_IMAGE=lncm/tor:0.4.7.7
	TOR_IP=10.21.21.11
	LND_IMAGE=lightninglabs/lnd:v0.14.3-beta
	LND_DATADIR=/home/umbrel/umbrel/app-data/lightning/data/lnd/
	LND_IP=10.21.21.9
	BITCOIND_IMAGE=lncm/bitcoind:v22.0
	BITCOIND_DATADIR=/home/umbrel/umbrel/app-data/bitcoin/data/bitcoin/
	BITCOIN_IP=10.21.21.8

	testnet=1
	server=1
	rest=1
	listen=1
	rpcbind=0.0.0.0
	server=1
	txindex=1
	[email protected]
	maxconnections=24
	[test]

	---
	version: "3.7"

	services:
	tor_proxy:
	container_name: tor
	image: "dsbaars/tor:0.4.7.7"

	[Application Options]
	...
	listen=:9735
	...
	tlsextaip=198.192.141.74
	tlsextraip=2460:089c:d9f2:1603:7030:b52e:a5c5:f07c
	externalip=198.192.141.74:9735
	externalip=2460:089c:d9f2:1603:7030:b52e:a5c5:f07c:9735
	externalhosts=rof.tools