Federal Aviation Administration primary-return anomaly log, Sector 41, extract

Origin: Federal Aviation Administration
Dated: March 2019 – February 2026
Extent: 211 pages
Status: accepted
Redactions: Pages 88–104 withheld in full. Names of controllers redacted throughout under (b)(6).

Chain of custody

Released to this newspaper on 4 March 2026 under the Freedom of Information Act after a request filed on 11 January 2021 and one administrative appeal. The release letter, the appeal, and the agency's index are held with the log. Pages 88 to 104 were withheld in full under exemption (b)(1); we are litigating those pages and will publish the outcome either way.

Held by: They Buried, document room; digital copy mirrored with counsel

Excerpt

SECTOR 41 · UNCORRELATED PRIMARY RETURNS · MONTHLY SUMMARY

2025-11   returns logged: 1,204   correlated: 1,181   uncorrelated: 23
2025-12   returns logged: 1,190   correlated: 1,167   uncorrelated: 23
2026-01   returns logged: 1,233   correlated: 1,210   uncorrelated: 23
2026-02   returns logged: 1,177   correlated: 1,154   uncorrelated: 23

[handwritten in margin, unattributed] "twenty-three every month for four months. ask CN."

Transcribed by the data desk. Line breaks follow the original. Bracketed matter is ours.

Editor's note

The marginal note is in a hand we have not identified. We have not attributed it and we do not know who 'CN' is.

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