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1976 · Central Seoul, restricted zone P-73 near Cheong Wa Dae, South Korea

Seoul fires on the lights over the Blue House

On the record
Strength C · 6/10 · 1 independent
Evidence 1/4 · Witnesses 2/3 · Backing 3/3

The firing, casualties and the ministry's first 'unknown affiliation' wording are on the official record; whether a stray 707 explains the lights is contested.

Plausibility High
Score 12 · 7 factors for, 0 against

Seoul's air defence fired twice at lights over the presidential zone; the ministry first said "unknown affiliation", then named a stray 707, and a lawmaker asked why the type was secret when the whole city watched.

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Contested
From the accounts: Seoul's air defence fired on lights over the Blue House zone on 14 October 1976; witnesses describe about a dozen lights in formation. · Illustration for uaptrail.com
When14 October 1976, about 17:30–18:41 KST
WhereCentral Seoul, restricted zone P-73 near Cheong Wa Dae, South Korea
Backing1 independent
Evidenceofficial records

On the evening of 14 October 1976 Seoul's air-defence units fired two bursts of anti-aircraft fire over the restricted zone around the presidential Blue House, at what the defence ministry first called an aircraft 'of unknown affiliation'. Shrapnel killed a market vendor and injured over 30 people. Next day the ministry named a stray Northwest Airlines 707; legislators were furious, and witnesses describe about a dozen lights in formation, not one airliner.

Evidence, in date order (1)

  1. 15 Oct 1976Ministry of National Defense and Assembly Defense Committeeofficial
    confirmed two bursts of anti-aircraft fire; 1 dead (Kim Young-soon) and 31–32 injured by shrapnel

How plausible · High

Seoul's air defence fired twice at lights over the presidential zone; the ministry first said "unknown affiliation", then named a stray 707, and a lawmaker asked why the type was secret when the whole city watched.

  • ●●
    Access Air-defence units and the public.
  • ●●
    No gain sought Official statements.
  • ●●
    Character record Ministry and Assembly record.
  • ●●
    Independent convergence Citizens across Seoul.
  • ●●
    Checkable details check out 1976 newspapers and Assembly record.
  • ●○
    Fits secrecy practice The changing official wording.

Plausibility weighs how well an account fits where secrecy hides the documents by design, so missing records never count against it. Strength measures what is documented. Assessed 2026-10-23.

Claims

Anti-aircraft units fired at 'a passenger plane whose affiliation is not confirmed' (소속미상의 비행기) at about 18:19 and 18:40.firsthandOn the recordMinistry of National Defense, night of 14 Oct, via Maeil Kyungje (15 Oct 1976)
The aircraft was NWA Boeing 707 cargo charter flight 902.firsthandOn the recordMinistry of National Defense statement of 15 Oct 1976 (Kyunghyang, Dong-A)
Firing lasted 2 minutes (18:12–18:14) and then 11 minutes (18:30–18:41), 'probably' at the aircraft.firsthandOn the recordVice Minister of National Defense Lee Min-woo, Assembly Defense Committee
Why keep the aircraft type secret when '7 million Seoul citizens all watched'?firsthandOn the recordRep. Lee Jong-chan, Assembly Defense Committee (Dong-A, 16 Oct 1976)
About 12 lights in even formation, with shells bursting around them.firsthandSourced, unconfirmedAhn Hee-seok, then a high-school student (jrinews, 2022)
The second burst came after NW902 was back on course.secondhandSourced, unconfirmedMoney Today (2026), citing U.S. congressional and Seoul ATC records not seen here

Where

Central Seoul, restricted zone P-73 near Cheong Wa Dae, South Korea
37.6°N 127.0°E

Connected cases

Korea's dawn wave: a glowing 'pillow' across the country 1982Two ROK Air Force F-4s circle a glowing object near Daegu 1980

Sources

A research project by Igor FrancePrivacy