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![planesanity Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1681470169242038272.png) Planesanity [@planesanity](/creator/twitter/planesanity) on x 34.7K followers
Created: 2025-07-24 09:02:15 UTC

What happened:

In 2001, a serious near-miss incident involving Japan Airlines occurred on January XX. Two JAL planes—a Boeing XXX and a DC-10—came dangerously close to colliding mid-air over Yaizu, southwest of Tokyo. The Boeing XXX was en route from Tokyo to Okinawa with XXX people on board, while the DC-10 was flying from Pusan, South Korea, to Narita with XXX people. Due to a miscommunication between air traffic control and the pilots, both aircraft were cleared to fly at the same altitude and in intersecting paths. At one point, they were just about XXX feet apart vertically and around XXX meters (450 feet) apart horizontally, which is extraordinarily close at cruising altitude.

The DC-10’s collision avoidance system (TCAS) instructed the pilots to descend, while the XXX was told by air traffic controllers to descend as well, contradicting its own TCAS alert that told them to climb. The XXX pilots initially followed the controller’s instructions instead of the automated system, nearly resulting in disaster. Only at the last moment did the DC-10 descend sharply enough to avoid the collision. Passengers were thrown from their seats due to the violent maneuver, and several were injured.

This incident led to changes in pilot training and reinforced the policy that in the event of conflicting commands, TCAS alerts must take priority over verbal instructions from air traffic control. It remains one of the closest near-misses in Japanese aviation history and a textbook example of the importance of following automated collision avoidance systems.


XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948307730655010961/c:line.svg)

**Related Topics**
[south korea](/topic/south-korea)
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[$9201t](/topic/$9201t)
[japan](/topic/japan)
[happened](/topic/happened)
[$ba](/topic/$ba)
[stocks industrials](/topic/stocks-industrials)
[stocks defense](/topic/stocks-defense)

[Post Link](https://x.com/planesanity/status/1948307730655010961)

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planesanity Avatar Planesanity @planesanity on x 34.7K followers Created: 2025-07-24 09:02:15 UTC

What happened:

In 2001, a serious near-miss incident involving Japan Airlines occurred on January XX. Two JAL planes—a Boeing XXX and a DC-10—came dangerously close to colliding mid-air over Yaizu, southwest of Tokyo. The Boeing XXX was en route from Tokyo to Okinawa with XXX people on board, while the DC-10 was flying from Pusan, South Korea, to Narita with XXX people. Due to a miscommunication between air traffic control and the pilots, both aircraft were cleared to fly at the same altitude and in intersecting paths. At one point, they were just about XXX feet apart vertically and around XXX meters (450 feet) apart horizontally, which is extraordinarily close at cruising altitude.

The DC-10’s collision avoidance system (TCAS) instructed the pilots to descend, while the XXX was told by air traffic controllers to descend as well, contradicting its own TCAS alert that told them to climb. The XXX pilots initially followed the controller’s instructions instead of the automated system, nearly resulting in disaster. Only at the last moment did the DC-10 descend sharply enough to avoid the collision. Passengers were thrown from their seats due to the violent maneuver, and several were injured.

This incident led to changes in pilot training and reinforced the policy that in the event of conflicting commands, TCAS alerts must take priority over verbal instructions from air traffic control. It remains one of the closest near-misses in Japanese aviation history and a textbook example of the importance of following automated collision avoidance systems.

XXXXX engagements

Engagements Line Chart

Related Topics south korea tokyo $9201t japan happened $ba stocks industrials stocks defense

Post Link

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/post/tweet::1948307730655010961