33 Years ago today: On 26 October 1989 a China Airlines Boeing 737 flew into the side of a mountain when the crew used the wrong climbout procedure from Hualien, Taiwan, all 54 occupants were killed.

Date:Thursday 26 October 1989
Type:Silhouette image of generic B732 model; specific model in this crash may look slightly different
Boeing 737-209
Operator:China Airlines
First flight:1986-12-03 (2 years 11 months)
Engines:Pratt & Whitney JT8D-9A
Crew:Fatalities: 7 / Occupants: 7
Passengers:Fatalities: 47 / Occupants: 47
Total:Fatalities: 54 / Occupants: 54
Aircraft damage:Damaged beyond repair
Location:5,5 km (3.4 mls) N of Hualien Airport (HUN) (https://cdn.aviation-safety.net/database/country/flags_15/Bt.gif   Taiwan)
Phase:En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Hualien Airport (HUN/RCYU), Taiwan
Destination airport:Taipei-Chiang Kai Shek International Airport (TPE/RCTP), Taiwan

China Airlines Flight 204 collided with a mountain in the Chiashan mountain range at an elevation of 7000 feet, 3 minutes after takeoff.
Probable Cause:

PROBABLE CAUSE: The crew used the climbout procedure of the wrong runway, causing the aircraft to make a left instead of right turn.