{ "api_version": "1", "kind": "dse_post", "self": "https://update.dsesecurity.com/api/v1/posts/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "item": { "id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "slug": "preserve-records-of-airport-law-enforcement-actions-and-response-times", "url": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "alternate_urls": { "markdown": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times.md", "json": "https://update.dsesecurity.com/api/v1/posts/preserve-records-of-airport-law-enforcement-actions-and-response-times/" }, "title": "Preserve records of airport law-enforcement actions and response times", "summary": "Use 49 CFR 1542.221 -- Airport Security to review this narrow operational decision without extending the source beyond its stated scope.", "format": { "slug": "checklist", "name": "Checklist" }, "priority": { "slug": "advisory", "name": "Advisory" }, "featured": false, "image": { "theme": "physical-security", "label": "Physical security", "alt": "Integrated video surveillance and controlled entry at a modern commercial facility.", "card_url": "https://update.dsesecurity.com/assets/editorial/physical-security-card.webp?v=1.8.20", "hero_url": "https://update.dsesecurity.com/assets/editorial/physical-security-hero.webp?v=1.8.20", "social_url": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "width": 2400, "height": 1350 }, "topics": [ { "slug": "access-control", "name": "Access Control", "url": "https://update.dsesecurity.com/topic/access-control/" }, { "slug": "cybersecurity", "name": "Cybersecurity", "url": "https://update.dsesecurity.com/topic/cybersecurity/" }, { "slug": "video-surveillance", "name": "Video Surveillance", "url": "https://update.dsesecurity.com/topic/video-surveillance/" } ], "author": { "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/#editorial-team", "type": "Organization" }, "publisher": { "name": "Detection Systems & Engineering", "url": "https://dsesecurity.com/" }, "published_at": "2026-08-27T12:10:24+00:00", "modified_at": "2026-08-27T13:12:21+00:00", "reviewed_on": "2026-08-26", "reading_minutes": 3, "word_count": 590, "potentially_affected": "Teams, systems, services, or facilities within the stated scope of 49 CFR 1542.221 -- Airport Security", "dse_recommendation": "Compare the observed state with the cited official source, document applicability and exceptions, and test any approved change with rollback safeguards.", "primary_source": { "name": "49 CFR 1542.221 -- Airport Security", "url": "https://www.ecfr.gov/current/title-49/section-1542.221", "published_on": null, "authority": "www.ecfr.gov" }, "publishing_principles": "https://update.dsesecurity.com/updates/dse-updates-editorial-methodology/", "usage_info": "https://update.dsesecurity.com/usage/", "copyright_notice": "Copyright © 2026 Detection Systems & Engineering. All rights reserved.", "content_html": "

Treat this document as a focused evidence review: Preserve records of airport law-enforcement actions and response times. Only the official source and traced locations below supply facts. Confirm applicability before acting.

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Source fact:

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The official 49 CFR 1542.221 — Airport Security from Transportation Security Administration via eCFR supports the following bounded statements:

\n\n

Keep the evidence boundary at these traced claims. They support a review of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths; they do not support conclusions outside the source’s stated conditions.

\n

What the source does not establish

\n

Applies only to airport operators, tenants, personnel, and areas covered by 49 CFR part 1542 and the cited section. Confirm the TSA-approved security program and current directives; this is not legal advice or a universal access-control standard. Do not read the source as proof of implementation or permission to change production. Its guidance remains conditional on identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel and the environment’s recorded constraints.

\n

Applicability questions

\n\n

DSE recommendation:

\n

DSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, observed and expected states, owner, and reason for deviation.

\n

Do not move from citation to production in one step. Pilot the decision where practical, observe agreed signals, retain a reversal point, and verify identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel. Handle credentials, keys, recovery data, and personal information through approved secure channels.

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Verification and evidence

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Evidence should let another reviewer reproduce this decision. Retain observations beside the traced locations 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)); 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)). Favor asset and firmware inventories, configuration exports, event tests, inspections, alarm response records, and maintenance findings, linked to stable identifiers, time, and operator.

\n

Record the decision even when no change is made, including uncertainty and the next trigger. Use safe testing conditions for disruptive work, preserve rollback proof, and revisit the conclusion after relevant platform, dependency, vendor, or ownership changes.

\n

Official references

\n", "content_text": "Treat this document as a focused evidence review: Preserve records of airport law-enforcement actions and response times. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official 49 CFR 1542.221 — Airport Security from Transportation Security Administration via eCFR supports the following bounded statements:\n\nUnder 49 CFR 1542, the rule requires that each airport operator ensure that a record is made of each law enforcement action taken in furtherance of this part. The research record locates this support at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)).\nUnder 49 CFR 1542, the rule requires that data developed in response to paragraph (a) of this section include at least the following, except as authorized by TSA: the number of bomb threats received, real and simulated bombs found, and actual detonations on the airport. The research record locates this support at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)).\n\nKeep the evidence boundary at these traced claims. They support a review of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths; they do not support conclusions outside the source’s stated conditions.\nWhat the source does not establish\nApplies only to airport operators, tenants, personnel, and areas covered by 49 CFR part 1542 and the cited section. Confirm the TSA-approved security program and current directives; this is not legal advice or a universal access-control standard. Do not read the source as proof of implementation or permission to change production. Its guidance remains conditional on identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel and the environment’s recorded constraints.\nApplicability questions\n\nFor source statement 1 at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)), which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)), which observable configuration, record, or test can confirm applicability here?\nWhich owner can attest to the recorded state of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, including exceptions?\nWhat baseline for identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel must accompany the source-specific observation?\nWhich success, stop, and escalation criteria are written before testing begins?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, observed and expected states, owner, and reason for deviation.\nDo not move from citation to production in one step. Pilot the decision where practical, observe agreed signals, retain a reversal point, and verify identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel. Handle credentials, keys, recovery data, and personal information through approved secure channels.\nVerification and evidence\nEvidence should let another reviewer reproduce this decision. Retain observations beside the traced locations 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)); 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)). Favor asset and firmware inventories, configuration exports, event tests, inspections, alarm response records, and maintenance findings, linked to stable identifiers, time, and operator.\nRecord the decision even when no change is made, including uncertainty and the next trigger. Use safe testing conditions for disruptive work, preserve rollback proof, and revisit the conclusion after relevant platform, dependency, vendor, or ownership changes.\nOfficial references\n\n49 CFR 1542.221 — Airport Security — Transportation Security Administration via eCFR", "content_markdown": "Treat this document as a focused evidence review: Preserve records of airport law-enforcement actions and response times. Only the official source and traced locations below supply facts. Confirm applicability before acting.\n\n## Source fact:\n\nThe official [49 CFR 1542.221 — Airport Security](https://www.ecfr.gov/current/title-49/section-1542.221) from Transportation Security Administration via eCFR supports the following bounded statements:\n\n- Under 49 CFR 1542, the rule requires that each airport operator ensure that a record is made of each law enforcement action taken in furtherance of this part. The research record locates this support at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)).\n\n- Under 49 CFR 1542, the rule requires that data developed in response to paragraph (a) of this section include at least the following, except as authorized by TSA: the number of bomb threats received, real and simulated bombs found, and actual detonations on the airport. The research record locates this support at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)).\n\nKeep the evidence boundary at these traced claims. They support a review of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths; they do not support conclusions outside the source’s stated conditions.\n\n## What the source does not establish\n\nApplies only to airport operators, tenants, personnel, and areas covered by 49 CFR part 1542 and the cited section. Confirm the TSA-approved security program and current directives; this is not legal advice or a universal access-control standard. Do not read the source as proof of implementation or permission to change production. Its guidance remains conditional on identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel and the environment’s recorded constraints.\n\n## Applicability questions\n\n- For source statement 1 at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)), which observable configuration, record, or test can confirm applicability here?\n\n- For source statement 2 at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)), which observable configuration, record, or test can confirm applicability here?\n\n- Which owner can attest to the recorded state of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, including exceptions?\n\n- What baseline for identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel must accompany the source-specific observation?\n\n- Which success, stop, and escalation criteria are written before testing begins?\n\n## DSE recommendation:\n\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, observed and expected states, owner, and reason for deviation.\n\nDo not move from citation to production in one step. Pilot the decision where practical, observe agreed signals, retain a reversal point, and verify identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel. Handle credentials, keys, recovery data, and personal information through approved secure channels.\n\n## Verification and evidence\n\nEvidence should let another reviewer reproduce this decision. Retain observations beside the traced locations 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)); 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)). Favor asset and firmware inventories, configuration exports, event tests, inspections, alarm response records, and maintenance findings, linked to stable identifiers, time, and operator.\n\nRecord the decision even when no change is made, including uncertainty and the next trigger. Use safe testing conditions for disruptive work, preserve rollback proof, and revisit the conclusion after relevant platform, dependency, vendor, or ownership changes.\n\n## Official references\n\n- [49 CFR 1542.221 — Airport Security](https://www.ecfr.gov/current/title-49/section-1542.221) — Transportation Security Administration via eCFR" }, "json_ld": { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://dsesecurity.com/#organization", "name": "Detection Systems & Engineering", "alternateName": "DSE Security", "url": "https://dsesecurity.com/", "logo": { "@type": "ImageObject", "url": "https://update.dsesecurity.com/assets/dse-logo-20260812.png?v=1.8.20" } }, { "@type": "Organization", "@id": "https://update.dsesecurity.com/#editorial-team", "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/", "parentOrganization": { "@id": "https://dsesecurity.com/#organization" } }, { "@type": "WebSite", "@id": "https://update.dsesecurity.com/#website", "name": "DSE Updates", "alternateName": "DSE Security Knowledge Hub", "url": "https://update.dsesecurity.com/", "inLanguage": "en-US", "publisher": { "@id": "https://dsesecurity.com/#organization" }, "potentialAction": { "@type": "SearchAction", "target": { "@type": "EntryPoint", "urlTemplate": "https://update.dsesecurity.com/?q={search_term_string}" }, "query-input": "required name=search_term_string" } }, { "@type": "WebPage", "@id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "url": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "isPartOf": { "@id": "https://update.dsesecurity.com/#website" }, "lastReviewed": "2026-08-26" }, { "@type": "BreadcrumbList", "@id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/#breadcrumbs", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "DSE Updates", "item": "https://update.dsesecurity.com/" }, { "@type": "ListItem", "position": 2, "name": "Preserve records of airport law-enforcement actions and response times", "item": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/" } ] }, { "@type": [ "Article", "TechArticle" ], "@id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/#article", "identifier": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "url": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/", "headline": "Preserve records of airport law-enforcement actions and response times", "description": "Use 49 CFR 1542.221 -- Airport Security to review this narrow operational decision without extending the source beyond its stated scope.", "abstract": "Use 49 CFR 1542.221 -- Airport Security to review this narrow operational decision without extending the source beyond its stated scope.", "articleBody": "Treat this document as a focused evidence review: Preserve records of airport law-enforcement actions and response times. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official 49 CFR 1542.221 — Airport Security from Transportation Security Administration via eCFR supports the following bounded statements:\n\nUnder 49 CFR 1542, the rule requires that each airport operator ensure that a record is made of each law enforcement action taken in furtherance of this part. The research record locates this support at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)).\nUnder 49 CFR 1542, the rule requires that data developed in response to paragraph (a) of this section include at least the following, except as authorized by TSA: the number of bomb threats received, real and simulated bombs found, and actual detonations on the airport. The research record locates this support at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)).\n\nKeep the evidence boundary at these traced claims. They support a review of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths; they do not support conclusions outside the source’s stated conditions.\nWhat the source does not establish\nApplies only to airport operators, tenants, personnel, and areas covered by 49 CFR part 1542 and the cited section. Confirm the TSA-approved security program and current directives; this is not legal advice or a universal access-control standard. Do not read the source as proof of implementation or permission to change production. Its guidance remains conditional on identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel and the environment’s recorded constraints.\nApplicability questions\n\nFor source statement 1 at 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)), which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)), which observable configuration, record, or test can confirm applicability here?\nWhich owner can attest to the recorded state of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, including exceptions?\nWhat baseline for identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel must accompany the source-specific observation?\nWhich success, stop, and escalation criteria are written before testing begins?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Anchor the review in the cited section and keep observation separate from interpretation. Record the source location, examined part of access control, video, intrusion detection, communications, supporting facilities, operators, and documented response paths, observed and expected states, owner, and reason for deviation.\nDo not move from citation to production in one step. Pilot the decision where practical, observe agreed signals, retain a reversal point, and verify identity, Windows DNS where used, time, networks, power, life-safety systems, vendors, and monitoring personnel. Handle credentials, keys, recovery data, and personal information through approved secure channels.\nVerification and evidence\nEvidence should let another reviewer reproduce this decision. Retain observations beside the traced locations 49 CFR 1542.221(a)(1), read with 49 CFR 1542.221(a) (eCFR anchor p-1542.221(a)(1)); 49 CFR 1542.221(b)(3), read with 49 CFR 1542.221(b) (eCFR anchor p-1542.221(b)(3)). Favor asset and firmware inventories, configuration exports, event tests, inspections, alarm response records, and maintenance findings, linked to stable identifiers, time, and operator.\nRecord the decision even when no change is made, including uncertainty and the next trigger. Use safe testing conditions for disruptive work, preserve rollback proof, and revisit the conclusion after relevant platform, dependency, vendor, or ownership changes.\nOfficial references\n\n49 CFR 1542.221 — Airport Security — Transportation Security Administration via eCFR", "datePublished": "2026-08-27T12:10:24+00:00", "dateModified": "2026-08-27T13:12:21+00:00", "mainEntityOfPage": { "@id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/" }, "inLanguage": "en-US", "isAccessibleForFree": true, "author": { "@type": "Organization", "name": "DSE Security Editorial Team", "url": "https://update.dsesecurity.com/#editorial-team" }, "publisher": { "@id": "https://dsesecurity.com/#organization" }, "image": { "@type": "ImageObject", "@id": "https://update.dsesecurity.com/updates/preserve-records-of-airport-law-enforcement-actions-and-response-times/#primaryimage", "url": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "contentUrl": "https://update.dsesecurity.com/assets/editorial/physical-security-social-v2.jpg?v=1.8.20", "width": 1200, "height": 630, "caption": "Preserve records of airport law-enforcement actions and response times" }, "articleSection": [ "Access Control", "Cybersecurity", "Video Surveillance" ], "keywords": [ "Access Control", "Cybersecurity", "Video Surveillance", "Checklist", "Advisory priority" ], "genre": "Checklist", "about": [ { "@type": "Thing", "name": "Access Control", "url": "https://update.dsesecurity.com/topic/access-control/" }, { "@type": "Thing", "name": "Cybersecurity", "url": "https://update.dsesecurity.com/topic/cybersecurity/" }, { "@type": "Thing", "name": "Video Surveillance", "url": "https://update.dsesecurity.com/topic/video-surveillance/" } ], "wordCount": 590, "timeRequired": "PT3M", "publishingPrinciples": "https://update.dsesecurity.com/updates/dse-updates-editorial-methodology/", "usageInfo": "https://update.dsesecurity.com/usage/", "copyrightHolder": { "@id": "https://dsesecurity.com/#organization" }, "copyrightNotice": "Copyright © 2026 Detection Systems & Engineering. All rights reserved.", "citation": { "@type": "CreativeWork", "name": "49 CFR 1542.221 -- Airport Security", "url": "https://www.ecfr.gov/current/title-49/section-1542.221" } } ] } }