# Final NTSB investigations: Near midair/TCAS alert/loss of separation

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.

## Latest cases

- [NTSB DCA25LA306](https://openairdocs.org/ntsb/DCA25LA306.md): Airbus Industrie A320-212 · Chase City, VA · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 28, 2025 · N373NW · No damage
  > The abrupt maneuver required to comply with a traffic alert and collision avoidance system resolution advisory during descent.
- [NTSB DCA24LA316](https://openairdocs.org/ntsb/DCA24LA316.md): Boeing 757-224 · Dunnigan, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 19, 2024 · N12125 · No damage
  > The abrupt pitch control input by the flight crew in response to a TCAS resolution advisory resulted in two serious passenger injuries.
- [NTSB OPS24LA011](https://openairdocs.org/ntsb/OPS24LA011.md): Diamond Aircraft Ind DA20-C1 · North Las Vegas, NV · Incident · No injuries · Class 4 · Limited · Final report · Dec 9, 2023 · N857PA · 2 aircraft · No damage
  > The local controller’s loss of situational awareness, inadequate provision of traffic advisory or safety alert information, and lack of positive control, that resulted in a near-midair collision.
- [NTSB DCA23LA395](https://openairdocs.org/ntsb/DCA23LA395.md): Airbus A320-214 · Fort Lauderdale, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 23, 2023 · N229NV · No damage
  > The flight crew’s abrupt change in pitch in response to a traffic collision advisory system resolution advisory that resulted in a serious injury to a flight attendant.
- [NTSB DCA23FA149](https://openairdocs.org/ntsb/DCA23FA149.md): Boeing 737-79P · Austin, TX · Incident · No injuries · Class 1 · Field · Final report · Feb 4, 2023 · N7827A · 2 aircraft · No damage
  > the local controller’s incorrect assumption that the Southwest Airlines (SWA) airplane would depart from the runway before the Federal Express airplane arrived on the same runway, which resulted in a loss of separation between both airplanes. Contributing to…
- [NTSB WPR22FA067](https://openairdocs.org/ntsb/WPR22FA067.md): Vans RV6 · Show Low, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Dec 22, 2021 · N6000Z · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack following an aborted landing approach, which resulted in an aerodynamic stall and loss of control at an altitude too low for recovery.
- [NTSB OPS21LA002](https://openairdocs.org/ntsb/OPS21LA002.md): Airbus A319-112 · St Petersburg-Clearwater, FL · Incident · No injuries · Class 3 · Limited · Final report · Apr 29, 2021 · N306NV · 2 aircraft · No damage
  > The air traffic controller’s failure to properly scan the runway and local area, and their general loss of situational awareness, resulting in a near midair collision. Contributing to the incident was the Cessna 337 pilot's poor decision making when he failed…
- [NTSB DCA18IA265](https://openairdocs.org/ntsb/DCA18IA265.md): Gulfstream G IV · Philadelphia, PA · Incident · No injuries · Class 3 · Incident · Final report · Aug 11, 2018 · N619A · No damage
  > The flight crew’s misalignment of the airplane with a taxiway instead of the assigned runway, resulting in a low-altitude go-around late in the final approach and reduced separation with the airplanes on the taxiway.
- [NTSB DCA18IA026](https://openairdocs.org/ntsb/DCA18IA026.md): Boeing 737-932ER · Atlanta, GA · Incident · No injuries · Class 3 · Incident · Final report · Nov 29, 2017 · N852DN · No damage
  > The flight crewmembers’ failure to properly monitor the airplane’s flightpath, which caused the approach to become unstabilized and resulted in the airplane’s descent below the decision altitude while misaligned with the localizer course. Contributing to the…
- [NTSB OPS16IA010](https://openairdocs.org/ntsb/OPS16IA010.md): Mooney M20R · Jacksonville, FL · Incident · Class 3 · Incident · Final report · Apr 3, 2016 · N57GX · 2 aircraft · No damage
  > The air traffic controller's decision to issue climb instruction to one aircraft without ensuring the required separation with another could be maintained. Contributing to the incident was the air traffic controller's failure to issue a safety alert in a…
- [NTSB OPS15IA017](https://openairdocs.org/ntsb/OPS15IA017.md): Boeing 767 34AF · Miami, FL · Incident · No injuries · Incident investigation · Final report · Apr 12, 2015 · N342UP · 2 aircraft · No damage
  > The controller's issuance of a landing clearance to an arriving aircraft while another aircraft was in position on the same runway. Contributing to the incident was the controller's non-compliance with traffic advisory procedures, and insufficient…
- [NTSB OPS14IA011](https://openairdocs.org/ntsb/OPS14IA011.md): Boeing 777 - 236 · Shemya, AK · Incident · No injuries · Incident investigation · Final report · Aug 16, 2014 · N773AN · No damage
  > The air traffic controller’s failure to identify a conflict between two aircraft and to issue an adequate clearance, which resulted in a loss of required separation. Contributing to the incident was the Federal Aviation Administration’s failure to provide…
- [NTSB OPS14IA005](https://openairdocs.org/ntsb/OPS14IA005.md): Embraer EMB 145XR · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Apr 24, 2014 · N11176 · 2 aircraft · No damage
  > The local controller’s failure to comply with Federal Aviation Administration separation requirements for aircraft operating on intersecting runways.
- [NTSB OPS12IA535](https://openairdocs.org/ntsb/OPS12IA535.md): Las Vegas, NV · Incident · No injuries · Incident investigation · Final report · Apr 27, 2012 · No damage
  > Federal Aviation Administration procedures that do not ensure separation in the event of a go-around during simultaneous independent runway operations on runways that do not physically intersect but whose flight paths intersect.
- [NTSB OPS12IA122](https://openairdocs.org/ntsb/OPS12IA122.md): Kahului, HI · Incident · No injuries · Incident investigation · Final report · Nov 3, 2011 · No damage
  > Failure of the Honolulu Control Facility controller to issue control instructions necessary to establish and maintain required separation between all three aircraft. Contributing to the losses of separation was inadequate training provided to controllers…
- [NTSB OPS12IA041](https://openairdocs.org/ntsb/OPS12IA041.md): Cessna 172S · Daytona Beach, FL · Incident · No injuries · Incident investigation · Final report · Oct 15, 2011 · N488ER · 2 aircraft · No damage
  > The departing pilot's incorrect runway selection and non-compliance with an air traffic control clearance. Contributing to the incident was the air traffic controller's inadequate monitoring of the departing aircraft to ensure that the pilot complied with the…
- [NTSB OPS11IA686](https://openairdocs.org/ntsb/OPS11IA686.md): Mcdonnell Douglas DC-9-83(MD-83) · Apache Junction, AZ · Incident · No injuries · Incident investigation · Final report · Jun 27, 2011 · N416NV · No damage
  > The failure of the pilots of both airplanes to see and avoid each other and to maneuver as advised by the air traffic controller in time to prevent the conflict that resulted in the reported near midair collision.
- [NTSB OPS11IA653](https://openairdocs.org/ntsb/OPS11IA653.md): Beech 1900C · Fairbanks, AK · Incident · No injuries · Incident investigation · Final report · Jun 14, 2011 · N121WV · 2 aircraft · No damage
  > Inadequate air traffic control actions that failed to establish and maintain required separation between the two airplanes. Contributing to the incident was inexperience on the part of the local controller, inadequate oversight by the tower…
- [NTSB OPS11IA499](https://openairdocs.org/ntsb/OPS11IA499.md): Boeing 737 · Camp Springs, MD · Incident · No injuries · Incident investigation · Final report · Apr 18, 2011 · 2 aircraft · No damage
  > The misapplication of wake turbulence and instrument flight rules (IFR) separation criteria by air traffic controllers.
- [NTSB OPS11IA476](https://openairdocs.org/ntsb/OPS11IA476.md): Beech 400 · Midland, TX · Incident · No injuries · Incident investigation · Final report · Apr 13, 2011 · Military · 2 aircraft · No damage
  > Inadequate planning and control instructions issued to the pilots involved by the trainee controller operating the local control position and inadequate supervision by the instructor responsible for the position.
- [NTSB OPS11IA428](https://openairdocs.org/ntsb/OPS11IA428.md): Cirrus Design SR22 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Mar 27, 2011 · N1487C · 2 aircraft · No damage
  > The air traffic controllers’ application of inappropriate separation between the B737 and the Cirrus and their inappropriate use of airborne civilian aircraft for observation of other airborne aircraft. Contributing to the incident was the crew of the B737's…
- [NTSB OPS11IA101](https://openairdocs.org/ntsb/OPS11IA101.md): Boeing 737-832 · 66 NM East of Hobe Sound, FL · Incident · No injuries · Incident investigation · Final report · Nov 11, 2010 · N3742C · 2 aircraft · No damage
  > Air traffic controllers did not maintain required awareness of available flight data and aircraft positions, resulting in issuance of an incorrect altitude clearance that caused a loss of standard instrument flight rules separation between the two aircraft.
- [NTSB OPS10IA574](https://openairdocs.org/ntsb/OPS10IA574.md): Airbus Industrie A320-214 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Sep 16, 2010 · N122US · 2 aircraft · No damage
  > The Local North Controller's issuance of a left-turn heading to the Airbus without establishing the position and heading of the Beech. Contributing to the incident was the Local South Controller's distraction with a ground movement operation and lack of…
- [NTSB DCA10LA083](https://openairdocs.org/ntsb/DCA10LA083.md): Embraer ERJ 170 100 SE · Summit, MS · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 2010 · N856RW · No damage
  > the abrupt maneuver that was appropriately initiated to comply with the TCAS resolution advisory caused by the momentary projected loss of separation from converging traffic. Contributing to the accident was a passenger's decision to disregard the seatbelt…
- [NTSB OPS10IA163](https://openairdocs.org/ntsb/OPS10IA163.md): Bombardier CL-600-2B19 · Burbank, CA · Incident · No injuries · Incident investigation · Final report · Apr 29, 2010 · N953SW · 2 aircraft · No damage
  > The local controller’s failure to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class C airspace.
- [NTSB OPS10IA155](https://openairdocs.org/ntsb/OPS10IA155.md): Embraer EMB-135KL · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Apr 22, 2010 · N806AE · 2 aircraft · No damage
  > The air traffic controller's issuance of an improper takeoff clearance to the pilot of the Embraer. Contributing to the incident was the instructor’s inadequate monitoring of the trainee local controller.
- [NTSB OPS10IA020](https://openairdocs.org/ntsb/OPS10IA020.md): Boeing 777-222 · San Francisco, CA · Incident · No injuries · Incident investigation · Final report · Mar 27, 2010 · N216UA · 2 aircraft · No damage
  > The local controller's issuance of a takeoff clearance to the Boeing 777 without ensuring that approved separation would exist with the Cessna 182. Contributing to the incident were tower procedures that permitted transitioning aircraft to cross the runway 28…
- [NTSB OPS10IA014](https://openairdocs.org/ntsb/OPS10IA014.md): Boeing 737 · Worton, MD · Incident · No injuries · Incident investigation · Final report · Mar 25, 2010 · N27239 · 2 aircraft · No damage
  > The R10/12 controller issued an improper vector and descent clearance to the GII that put the airplane on a coverging flight path with the B737. Contributing to the incident was the failure of the FAA's training program to correct ongoing controller…
- [NTSB OPS10IA015](https://openairdocs.org/ntsb/OPS10IA015.md): Cessna 208B · Phoenix, AZ · Incident · No injuries · Incident investigation · Final report · Mar 20, 2010 · N992FE · 2 aircraft · No damage
  > The Cessna 208 pilot’s failure to identify the correct landing runway.
- [NTSB OPS09IA006](https://openairdocs.org/ntsb/OPS09IA006.md): Mcdonnell Douglas MD80 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 1, 2009 · 2 aircraft · No damage
  > The Chicago TRACON West Arrival controller's omission of a required clearance, resulting in AAL 879 overshooting the final for runway 28 and losing separation with AAL 93.
- [NTSB OPS09IA001](https://openairdocs.org/ntsb/OPS09IA001.md): Peoria, IL · Incident · No injuries · Incident investigation · Final report · Sep 22, 2008 · 2 aircraft · No damage
  > The tower local controller's failure to provide adequate separation between EGF4075 and SKW5961 that landed on intersecting runways.
- [NTSB OPS08IA014](https://openairdocs.org/ntsb/OPS08IA014.md): Boeing B744 · Atlantic Ocean · Incident · No injuries · Incident investigation · Final report · Aug 28, 2008 · UKNOWN · 2 aircraft · No damage
  > The San Juan CERAP controllers failure to ensure the two aircraft were properly separated using non-radar separation standards.
- [NTSB OPS08IA011](https://openairdocs.org/ntsb/OPS08IA011.md): Learjet 60 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jul 21, 2008 · N252RP · 2 aircraft · No damage
  > The LC-10 controller's failure to ensure the appropriate separation between two airplanes operating on runways where flight paths intersect.

## The whole list in SQL

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

```sql
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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '260' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/260/sequence?status=final

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