United States 119th Congress Status: In Committee Bipartisan · 4 D · 2 R cosponsors

S 4990 — McCarty and Heideman Air Safety Enhancement Act

Last action — Read twice and referred to the Committee on Commerce, Science, and Transportation.

  1. ✓
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill is in committee in the Senate. Introduced July 15, 2026. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the Senate.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 42% · moderate confidence

  • In Committee

    Current position in the legislative process.

  • 6 sponsors

    1 primary, 5 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (4 D · 2 R) — cross-party backing.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

In plain language

The bill aims to enhance air safety measures in the aviation sector.

This legislation seeks to improve air safety by establishing new safety enhancements for aviation operations. It outlines specific requirements intended to bolster overall safety standards in the industry.

Bill Text

Action History

  1. Introduced in Senate

  2. Read twice and referred to the Committee on Commerce, Science, and Transportation.

Sponsors

Sponsorship breakdown

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1 sponsors · 5 co-sponsors · 541 not signed on

Sponsors (1)

Co-sponsors (5)

Not signed on (541)

541 members have not signed on to this bill.

Show all 541 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

public-safety transportation
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

Who sponsors S 4990?
S 4990 is sponsored by Merkley, Jeff (Democratic), Wyden, Ron (Democratic), Kelly, Mark (Democratic), Gallego, Ruben (Democratic), Curtis, John R. (Republican), and Sheehy, Tim (Republican).
What is the current status of S 4990?
This bill is in committee in the Senate. Introduced July 15, 2026. It must pass committee before a floor vote.
Where can I track S 4990?
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Last checked for changes 3 months ago · updated continuously

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