---
type: "Bill"
title: "Aircraft and airports; creating the Unmanned Aircraft Systems Development Act of 2021. Effective date."
description: "Aircraft and airports; creating the Unmanned Aircraft Systems Development Act of 2021. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2021"
identifier: "SB 659"
citation: "Oklahoma SB 659 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hilbert", "Rosino"]
version_count: 8
action_count: 28
vote_count: 0
first_action: "2021-02-01"
last_action: "2021-05-05"
source: "openstates"
source_identifier: "ocd-bill/81f8e052-bd69-46bc-9d92-a7fb19a95aca"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB659&session=2100"
source_hash: "ae1bd41ac0bb424fd9d6a7bb4a0ac1f426b9bbd58b17404b5d402af14b378c45"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ok"]
---

# Oklahoma SB 659 (2021) — Aircraft and airports; creating the Unmanned Aircraft Systems Development Act of 2021. Effective date.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 INT/SB/SB659 INT.PDF)
2. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 AMENDMENTS/Amendment & Engr/SB659 HASB & ENGR.PDF)
3. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/SB/SB659 ENGR.PDF)
4. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/SB/SB659 ENR.PDF)
5. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/SB659 HFLR.PDF)
6. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/SB659 SFLR.PDF)
7. **House Committee Substitute for Senate Bill** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE SUBS/HCSS/SB659 HCS.PDF)
8. **SB659 FULLPCS1 KYLE HILBERT-JBH.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/House/SB659 FULLPCS1 KYLE HILBERT-JBH.PDF)

## Sponsors

- Hilbert — primary (person)
- Rosino — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-02-01** First Reading `introduction, reading-1`
- **2021-02-01** Authored by Senator Rosino
- **2021-02-02** Second Reading referred to Transportation Committee then to Appropriations Committee `reading-2, referral-committee`
- **2021-02-09** Reported Do Pass Transportation committee; CR filed `committee-passage`
- **2021-02-09** Referred to Appropriations `referral-committee`
- **2021-02-10** Coauthored by Representative Hilbert (principal House author)
- **2021-02-24** Reported Do Pass Appropriations committee; CR filed `committee-passage`
- **2021-03-09** General Order, Considered
- **2021-03-09** Measure passed: Ayes: 44 Nays: 1 `passage`
- **2021-03-09** Referred for engrossment
- **2021-03-09** Coauthored by Senator Bergstrom
- **2021-03-10** Engrossed to House `passage`
- **2021-03-10** First Reading `introduction, reading-1`
- **2021-03-22** Second Reading referred to Appropriations and Budget `reading-2, referral-committee`
- **2021-03-25** CR; Do Pass, amended by committee substitute Appropriations and Budget Committee `committee-passage`
- **2021-03-25** Coauthored by Representative(s) Talley
- **2021-04-07** General Order
- **2021-04-07** Third Reading, Measure passed: Ayes: 86 Nays: 7 `passage, reading-3`
- **2021-04-07** Referred for engrossment
- **2021-04-08** Engrossed, signed, to Senate `passage`
- **2021-04-08** HAs read
- **2021-04-29** HAs adopted
- **2021-04-29** Measure passed: Ayes: 42 Nays: 1 `passage`
- **2021-04-29** Referred for enrollment
- **2021-05-03** Enrolled, to House
- **2021-05-03** Signed, returned to Senate
- **2021-05-03** Sent to Governor `executive-receipt`
- **2021-05-05** Approved by Governor 05/05/2021 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/81f8e052-bd69-46bc-9d92-a7fb19a95aca`. Confidence: reported (aggregated from official Oklahoma legislature records).