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161991

158 registered

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Flight activity

(18 tracking legs recorded)
Last 30 days
7
Last 90 days
18
Last seen
7 Oct 2026
Tracked since
28 Aug 2026

Frequent routes: KNKX → KNKX (14)

  • KNKX → KNKX7 Oct 2026 · 1h 40m
  • KNKX → KNKX7 Oct 2026 · 0h 05m
  • KNKX → KNKX7 Oct 2026 · 0h 21m
  • KNKX → KNKX10 Sept 2026 · 2h 49m
  • KNKX → KNKX1 Sept 2026 · 0h 35m
  • KNKX → KNKX1 Sept 2026 · 0h 07m
  • KNKX → KNKX28 Aug 2026 · 0h 30m
  • KNKX → KNKX28 Aug 2026 · 0h 13m

Showing the 8 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.

From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.

How common is this aircraft?
158Sikorsky CH-53 registered worldwide

Common. More common than 81% of the aircraft models we track.

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Other CH-53 airframes by tail number — same model as 161991.

See all 158 registered CH-53
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Registration history

(1)
  • 161991USACTIVE
    Unknown owner
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Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal