# NTSB investigations, OK: Enroute

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 12 · 569 cases

## Latest cases

- [NTSB CEN27LA029](https://openairdocs.org/ntsb/CEN27LA029.md): Piper PA-28 · Claremore, OK · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 22, 2026 · N5393W · Substantial damage
  > On October 22, 2026, about 1510 central daylight time, a Piper PA-28-160 airplane, N5393W, was substantially damaged when it was involved in an accident near Claremore, Oklahoma. The flight instructor and student pilot were not injured. The airplane was…
- [NTSB CEN26LA073](https://openairdocs.org/ntsb/CEN26LA073.md): Rockwell International 114 · Stroud, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 13, 2025 · N5879N · Substantial damage
  > The pilot’s inadequate fuel planning, which resulted in a total loss of power due to fuel exhaustion.
- [NTSB CEN25FA320](https://openairdocs.org/ntsb/CEN25FA320.md): Cessna 172L · Walters, OK · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 14, 2025 · N2860Q · Destroyed
  > On August 14, 2025, about 0934 central daylight time, a Cessna 172L, N2860Q, was destroyed when it was involved in an accident near Walters, Oklahoma. The pilot sustained fatal injuries. The airplane was operated under Title 14 Code of Federal Regulations as…
- [NTSB DCA25LA190](https://openairdocs.org/ntsb/DCA25LA190.md): Boeing 737-7H4 · Tahlequah, OK · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 20, 2025 · N461WN · No damage
  > The airplane’s encounter with moderate turbulence during descent.
- [NTSB CEN24LA370](https://openairdocs.org/ntsb/CEN24LA370.md): Piper PA-25-235 · Muskogee, OK · Accident · No injuries · Class 4 · Limited · Final report · Sep 26, 2024 · N6548Z · Substantial damage
  > The pilot’s inattention to refueling during turn-around operations which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN24FA094](https://openairdocs.org/ntsb/CEN24FA094.md): Bell 206 · Hydro, OK · Accident · 3 fatal · Class 3 · Field · Final report · Jan 21, 2024 · N295AE · Destroyed
  > The helicopter’s inflight collision with cackling geese, resulting in an inflight breakup.
- [NTSB CEN24LA063](https://openairdocs.org/ntsb/CEN24LA063.md): Cessna T210 · Sapulpa, OK · Accident · No injuries · Class 3 · Limited · Final report · Dec 13, 2023 · N6789R · Substantial damage
  > The total loss of engine power due to the failure of the left magneto and subsequent damage to a lead for the right magneto.
- [NTSB CEN23LA370](https://openairdocs.org/ntsb/CEN23LA370.md): Piper PA31 · Durant, OK · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2023 · N3589X · Substantial damage
  > The loosening of a connecting rod cap nut for reasons that could not be determined, which resulted in a mechanical failure of the engine and an in-flight fire.
- [NTSB CEN23FA360](https://openairdocs.org/ntsb/CEN23FA360.md): Piper PA-24-250 · Oklahoma City, OK · Accident · Serious injuries · Class 3 · Field · Final report · Aug 13, 2023 · N7910P · Substantial damage
  > The pilot’s mismanagement of fuel, which resulted in fuel starvation and a subsequent total loss of engine power.
- [NTSB CEN23LA327](https://openairdocs.org/ntsb/CEN23LA327.md): Vans RV10 · Chouteau, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 21, 2023 · N730WL · Substantial damage
  > The total loss of engine power as a result of a failed positive crankcase ventilation (PCV) valve and a subsequent impact with terrain.
- [NTSB CEN23FA095](https://openairdocs.org/ntsb/CEN23FA095.md): Cessna 172 · Hooker, OK · Accident · 1 fatal · Class 3 · Field · Final report · Jan 29, 2023 · N6482B · Destroyed
  > The pilot’s decision to depart and continue the visual flight rules flight into night instrument meteorological conditions, which resulted in spatial disorientation and a loss of airplane control.
- [NTSB CEN22LA343](https://openairdocs.org/ntsb/CEN22LA343.md): Beech E33A · Zena, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2022 · N7555N · Substantial damage
  > The pilot’s inadequate preflight inspection and fuel planning, and improper in-flight decision making which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN22LA315](https://openairdocs.org/ntsb/CEN22LA315.md): Zenith Zodiac 650B · Eufaula, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 12, 2022 · N452VC · Substantial damage
  > The loss of engine power due to a push rod that was incorrectly installed by the airplane owner.
- [NTSB CEN22LA311](https://openairdocs.org/ntsb/CEN22LA311.md): Rotorsport UK MTOSport 2017 · Mead, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 1, 2022 · N44AL · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA255](https://openairdocs.org/ntsb/CEN22LA255.md): Mooney M20E · Stillwater, OK · Accident · No injuries · Class 3 · Limited · Final report · Jun 18, 2022 · N5895Q · Substantial damage
  > The inadequate maintenance and inspection of the engine induction air coupling, which impeded airflow to the engine and resulted in the subsequent partial loss of engine power.
- [NTSB CEN22LA196](https://openairdocs.org/ntsb/CEN22LA196.md): Piper PA-34-200T · Marshall, OK · Accident · Minor injuries · Class 4 · Limited · Final report · May 11, 2022 · N29257 · Substantial damage
  > The pilot’s failure to manage fuel, which resulted in a loss of engine power to both engines due to fuel starvation.
- [NTSB CEN22FA145](https://openairdocs.org/ntsb/CEN22FA145.md): Piper PA-30 · Pond Creek, OK · Accident · 3 fatal · Class 3 · Field · Final report · Mar 17, 2022 · N8357Y · Destroyed
  > The pilot’s loss of control of the airplane, resulting in an in-flight breakup.
- [NTSB CEN22LA140](https://openairdocs.org/ntsb/CEN22LA140.md): Beech A36 · Heavner, OK · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2022 · N9410Q · Substantial damage
  > A total loss of engine power due to oil exhaustion which resulted from improper engine maintenance.
- [NTSB CEN22FA070](https://openairdocs.org/ntsb/CEN22FA070.md): Cessna 310J · Inola, OK · Accident · 1 fatal · Class 3 · Field · Final report · Dec 12, 2021 · N3187L · Destroyed
  > The loss of airplane control for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA408](https://openairdocs.org/ntsb/CEN21LA408.md): Cessna 150 · Heavener, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 15, 2021 · N50055 · Substantial damage
  > A total loss of engine power due to the failure of the No. 2 cylinder exhaust valve for reasons that could not be determined.
- [NTSB CEN21FA300](https://openairdocs.org/ntsb/CEN21FA300.md): Beech 35-33 · Roff, OK · Accident · 2 fatal · Class 3 · Field · Final report · Jul 2, 2021 · N302Z · Destroyed
  > The pilot’s loss of airplane control due to spatial disorientation during low-level nighttime flight.
- [NTSB CEN21LA057](https://openairdocs.org/ntsb/CEN21LA057.md): Cirrus SR22 · Tishomingo, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 24, 2020 · N183V · Substantial damage
  > The pilot’s improper adjustment of the engine mixture control, which resulted in a total loss of engine power. Contributing to the accident was a disconnected oil temperature connector, which was likely damaged during maintenance before the accident flight…
- [NTSB CEN20LA378](https://openairdocs.org/ntsb/CEN20LA378.md): Cessna 340 · Oklahoma City, OK · Accident · No injuries · Class 3 · Limited · Final report · Sep 3, 2020 · N5178J · Substantial damage
  > A failure of the windscreen for reasons that could not be determined based on available evidence.
- [NTSB CEN20LA301](https://openairdocs.org/ntsb/CEN20LA301.md): Vans RV4 · Idabel, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2020 · N54WP · Substantial damage
  > The pilot’s improper installation of an oil line, resulting in the loss of oil and subsequent total loss of engine power.
- [NTSB CEN20LA292](https://openairdocs.org/ntsb/CEN20LA292.md): Beech A23-24 · Burns Flat, OK · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2020 · N3412C · Substantial damage
  > The mechanic’s improper maintenance when he reinstalled the fuel servo during the last annual inspection, which resulted in a loss of engine power during cruise flight when the throttle control rod-end disconnected from the fuel servo throttle linkage.
- [NTSB CEN20CA249](https://openairdocs.org/ntsb/CEN20CA249.md): Mooney M20C · Lahoma, OK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 1, 2020 · N6728U · Substantial damage
  > The loss of engine power due to fuel exhaustion and the pilot’s improper fuel planning before the flight.
- [NTSB CEN20LA173](https://openairdocs.org/ntsb/CEN20LA173.md): Titan Titan Tornado S · Haskell, OK · Accident · Serious injuries · Class 3 · Limited · Final report · May 9, 2020 · N318WH · Substantial damage
  > The student pilot/builder’s addition of winglets to the stabilator, which resulted in flutter and overstress failure of the stabilator control horn.
- [NTSB CEN20LA053](https://openairdocs.org/ntsb/CEN20LA053.md): Cessna T210 · Ada, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 1, 2020 · N94227 · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation, and the pilot’s inadequate preflight inspection and preflight fuel planning.
- [NTSB CEN19LA106](https://openairdocs.org/ntsb/CEN19LA106.md): Robinson R22 · Madill, OK · Accident · No injuries · Class 3 · Limited · Final report · Mar 20, 2019 · N7782H · Substantial damage
  > The failure of the V-belts due to improper maintenance, which resulted in the loss of power to the helicopter's rotor system and subsequent forced landing on rough terrain.
- [NTSB GAA18CA435](https://openairdocs.org/ntsb/GAA18CA435.md): Cessna 560 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Jul 23, 2018 · N866VP · Substantial damage
  > The airplane’s collision with a bird during approach.
- [NTSB GAA18CA325](https://openairdocs.org/ntsb/GAA18CA325.md): Cosentino Garey A Pegasus · Kingston, OK · Accident · Minor injuries · Data collection · Final report · May 27, 2018 · N339PG · Substantial damage
  > The pilot’s failure to maintain altitude and the powered parachute’s subsequent impact with trees.
- [NTSB CEN18LA156](https://openairdocs.org/ntsb/CEN18LA156.md): Laminar Lancair 360 · Woodward, OK · Accident · No injuries · Limited investigation · Final report · May 2, 2018 · N92WL · Substantial damage
  > The pilot-rated passenger’s inadvertent contact with and closure of the emergency fuel shutoff valve, which resulted in the total loss of engine power due to fuel starvation. Contributing to the accident was the pilot's lack of experience in the accident…
- [NTSB CEN18LA131](https://openairdocs.org/ntsb/CEN18LA131.md): Cessna 180 · Grove, OK · Accident · Minor injuries · Limited investigation · Final report · Mar 31, 2018 · N2485C · Substantial damage
  > A total loss of engine power due to carburetor ice accumulation. Contributing to the accident was the pilot’s failure to apply carburetor heat immediately following the loss of engine power.
- [NTSB ERA18FA114](https://openairdocs.org/ntsb/ERA18FA114.md): Beech V35 · Hydro, OK · Accident · 2 fatal · Field investigation · Final report · Mar 26, 2018 · N7019N · Destroyed
  > The pilot's decision to continue the night visual flight rules flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation. Contributing was the pilot's lack of instrument/night currency, and his failure…
- [NTSB CEN18LA075](https://openairdocs.org/ntsb/CEN18LA075.md): Piper PA 28-236 · Tishomingo, OK · Accident · Serious injuries · Limited investigation · Final report · Jan 13, 2018 · N4345K · Substantial damage
  > The pilot’s inadequate preflight fuel planning and in-flight fuel monitoring and his decision to take off with an unverified amount of fuel, which resulted in fuel exhaustion and a subsequent impact with trees during an attempted forced landing.
- [NTSB CEN17LA292](https://openairdocs.org/ntsb/CEN17LA292.md): Piper PA 46 350P · Tahlequah, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2017 · N786MD · Substantial damage
  > The total loss of engine power, which resulted from fatigue failure of two engine through bolts and the No. 2 cylinder attachment studs due to the lack of sufficient clamping force.
- [NTSB CEN17LA286](https://openairdocs.org/ntsb/CEN17LA286.md): Beech V35 · Walters, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2017 · N6257V · Substantial damage
  > Maintenance personnel’s installation of an improper vacuum pump gasket, which resulted in oil starvation to the engine and a subsequent total loss of engine power.
- [NTSB CEN17LA186](https://openairdocs.org/ntsb/CEN17LA186.md): Piper PA 28-140 · Muskogee, OK · Accident · Minor injuries · Limited investigation · Final report · May 13, 2017 · N3976K · Substantial damage
  > The pilot's improper in-flight fuel management, which resulted in a partial loss of engine power due to fuel starvation.
- [NTSB CEN17FA138](https://openairdocs.org/ntsb/CEN17FA138.md): Beech V35 · Union City, OK · Accident · 1 fatal · Field investigation · Final report · Mar 24, 2017 · N2053Y · Destroyed
  > The pilot's improper recovery from a spin.
- [NTSB CEN17LA121](https://openairdocs.org/ntsb/CEN17LA121.md): Beech C90A · Rattan, OK · Accident · No injuries · Limited investigation · Final report · Feb 14, 2017 · N1551C · Substantial damage
  > The loss of electrical power due to the pilot’s inadvertent selection of the engine start switches and the subsequent fuel exhaustion to the left engine as the pilot attempted to locate visual meteorological conditions. Contributing to the accident were the…
- [NTSB CEN17LA019](https://openairdocs.org/ntsb/CEN17LA019.md): Bellanca 17-31A · Mc Alester, OK · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2016 · N93668 · Substantial damage
  > A total loss of engine power during initial climb due to fuel starvation.
- [NTSB CEN16LA323](https://openairdocs.org/ntsb/CEN16LA323.md): Cessna TU206C · Skiatook, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2016 · N29225 · Substantial damage
  > A total loss of engine power after takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN16LA217](https://openairdocs.org/ntsb/CEN16LA217.md): Bellanca 17 30 · Westport, OK · Accident · Minor injuries · Limited investigation · Final report · Jun 11, 2016 · N7346V · Substantial damage
  > A total loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.
- [NTSB GAA16CA177](https://openairdocs.org/ntsb/GAA16CA177.md): Beech A23 · Hulbert, OK · Accident · Minor injuries · Data collection · Final report · Apr 5, 2016 · N5791V · Substantial damage
  > The pilot's inadequate fuel planning, which resulted in fuel exhaustion, and collision with terrain.
- [NTSB CEN16LA090](https://openairdocs.org/ntsb/CEN16LA090.md): Bellanca 17-30A · Overbrook, OK · Accident · No injuries · Limited investigation · Final report · Jan 17, 2016 · N194DW · Substantial damage
  > The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion, and his subsequent decision to circle to the north end of the airport due to a light tailwind condition instead of making a downwind landing.
- [NTSB CEN16LA082](https://openairdocs.org/ntsb/CEN16LA082.md): Beech V35B · Tahlequah, OK · Accident · No injuries · Limited investigation · Final report · Dec 23, 2015 · N4523A · Substantial damage
  > A partial loss of engine power shortly after takeoff due to an inadequately tightened fuel line. Also causal was the pilot's failure to extend the landing gear once the airplane was in a position to safely land on the runway.
- [NTSB CEN15LA432](https://openairdocs.org/ntsb/CEN15LA432.md): Rans S18 · Shattuck, OK · Accident · 1 fatal · Limited investigation · Final report · Sep 29, 2015 · UNREG · Substantial damage
  > The noncertificated pilot’s failure to maintain control of the unregistered airplane during initial climb and his subsequent exceedance of the airplane’s critical angle-of-attack, which resulted in a stall/spin.
- [NTSB CEN15LA379](https://openairdocs.org/ntsb/CEN15LA379.md): Robinson Helicopter R44 II · Ketchum, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 2015 · N444KD · Substantial damage
  > The separation of the tail rotor gearbox from the tailboom aft bulkhead due to overstress loads imposed by a blade imbalance from an in-flight impact with an undetermined object.
- [NTSB CEN15FA316](https://openairdocs.org/ntsb/CEN15FA316.md): Beech V35B · Colbert, OK · Accident · 2 fatal · Field investigation · Final report · Jul 26, 2015 · N252G · Substantial damage
  > The pilot's failure to properly position the fuel selector, which resulted in a total loss of engine power due to fuel starvation. Contributing to the severity of the accident was the pilot's failure to select an appropriate location for a forced landing,…
- [NTSB CEN15LA204](https://openairdocs.org/ntsb/CEN15LA204.md): Grumman G 164A · Maysville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2015 · N7951 · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?state=OK&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'OK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/400/cases?state=OK

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
