# NTSB investigations, UT: Taxi

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 DCA24LA245](https://openairdocs.org/ntsb/DCA24LA245.md): Boeing 737 · Salt Lake City, UT · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2024 · N853DN · 2 aircraft · Minor damage
  > Delta Air Lines flight 2046 flight crew's incorrect evaluation of the clearance between their airplane and Delta Air Lines flight 2046 as they turned onto a perpendicular taxiway.
- [NTSB WPR22LA323](https://openairdocs.org/ntsb/WPR22LA323.md): Cessna 182K · Tooele, UT · Accident · No injuries · Class 3 · Limited · Final report · Aug 30, 2022 · N3094Q · Substantial damage
  > Loss of brake pressure to both sets of brakes during taxi due to failed brake caliper O-ring seals, which resulted in a loss of directional control.
- [NTSB WPR21LA275](https://openairdocs.org/ntsb/WPR21LA275.md): Cessna 180C · Ogden, UT · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2021 · N9193T · Substantial damage
  > The pilot’s loss of directional control while taxiing at high speed, which resulted in a ground loop.
- [NTSB ANC18LA049](https://openairdocs.org/ntsb/ANC18LA049.md): Learjet 60 · Salt Lake City, UT · Accident · No injuries · Class 3 · Limited · Final report · Jun 26, 2018 · N57 · Substantial damage
  > The flight crew’s failure to fully disengage the parking brake before taxi, which resulted in a brake fire.
- [NTSB GAA18CA057](https://openairdocs.org/ntsb/GAA18CA057.md): Karpayev Vladyslav V RV-9 · Moab, UT · Accident · No injuries · Data collection · Final report · Nov 24, 2017 · N666BK · Substantial damage
  > The pilot’s selection of an unsuitable taxiway, which resulted in the wings striking hidden fence posts.
- [NTSB GAA17CA235](https://openairdocs.org/ntsb/GAA17CA235.md): Raytheon B200 · Richfield, UT · Accident · No injuries · Data collection · Final report · Apr 15, 2017 · N481HC · Substantial damage
  > The pilot’s failure to maintain separation from a fence post during taxi at night.
- [NTSB GAA15CA215](https://openairdocs.org/ntsb/GAA15CA215.md): Cessna 560XL · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Aug 5, 2015 · N560JF · Substantial damage
  > The Captain's decision to taxi on a closed taxiway, which resulted in a collision with a parked construction vehicle. Contributing to the accident was a ground crew employee's decision to move barricades from the closed taxiway.
- [NTSB WPR11LA477](https://openairdocs.org/ntsb/WPR11LA477.md): Starduster II SA-300 · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Sep 24, 2011 · N23UT · 2 aircraft · Minor damage
  > The pilot of the other airplane's inadequate visual lookout, which resulted in a collision with the standing airplane.
- [NTSB WPR09IA123](https://openairdocs.org/ntsb/WPR09IA123.md): Embraer EMB-120ER · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Feb 21, 2009 · N270YV · Minor damage
  > The flight crew's failure to maintain clearance from the stationary vehicle while taxiing.
- [NTSB SEA08CA211](https://openairdocs.org/ntsb/SEA08CA211.md): Cessna 180 · Bluff, UT · Accident · No injuries · Data collection · Final report · Sep 26, 2008 · N4646A · Substantial damage
  > The pilot's encounter with the rough, uneven, and eroded condition of the airstrip.
- [NTSB SEA07CA171](https://openairdocs.org/ntsb/SEA07CA171.md): Robinson R22 Beta II · Park City, UT · Accident · No injuries · Data collection · Final report · Jun 18, 2007 · N712U · Substantial damage
  > The pilot's failure to maintain rotor RPM during hover taxi. A contributing factor was the high density altitude weather condition.
- [NTSB DEN05IA098](https://openairdocs.org/ntsb/DEN05IA098.md): Boeing 737-524 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Jun 20, 2005 · N24633 · Minor damage
  > the left wing walker's failure to maintain an adequate visual lookout. Contributing factors were his inadequate initial training, and the failure of other ground personnel to follow company procedures/directives.
- [NTSB DEN03LA115](https://openairdocs.org/ntsb/DEN03LA115.md): Schweizer 269C · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Jun 28, 2003 · N3623U · Substantial damage
  > the pilot not maintaining aircraft control during the aerial taxi. Factors contributing to the accident were the oscillating cyclic, the pilot's diverted attention, and the gusting crosswind.
- [NTSB DEN99LA100](https://openairdocs.org/ntsb/DEN99LA100.md): Butler SX-300 · Hill Afb, UT · Accident · No injuries · Limited investigation · Final report · Jun 12, 1999 · N120J · Substantial damage
  > A failure of the left main landing gear attachment for undetermined reasons.
- [NTSB SEA96IA131](https://openairdocs.org/ntsb/SEA96IA131.md): Boeing 767-332 · Salt Lake City, UT · Incident · No injuries · Incident investigation · Final report · Jun 20, 1996 · N136DL · Minor damage
  > failure of maintenance personnel to properly disconnect (disengage) the right integrated drive generator (IDG) in compliance with the MEL dispatch procedure, which allowed the right IDG to overheat. Factors relating to the incident were: low oil pressure in…
- [NTSB SEA95LA176](https://openairdocs.org/ntsb/SEA95LA176.md): Piper PA-28-151 · Panguitch, UT · Accident · No injuries · Limited investigation · Final report · Aug 8, 1995 · N23AF · Substantial damage
  > the pilot's misjudgment of the distance from the sign post.
- [NTSB SEA94LA195](https://openairdocs.org/ntsb/SEA94LA195.md): Pitts S-2B · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Jul 26, 1994 · N8026 · Substantial damage
  > The inadequate visual lookout by the instructor and dual student. Factors include sunglare and the tug left on the taxiway.
- [NTSB SEA93LA056](https://openairdocs.org/ntsb/SEA93LA056.md): Bell 206B3 · Brigham City, UT · Accident · No injuries · Limited investigation · Final report · Jan 24, 1993 · N39088 · Substantial damage
  > The location of unmarked electrical transmission wires over a designated airport taxiway. Factors relating to the accident were the pilot's lack of expectancy to encounter wires above an arpt taxiway, and his diverted attention due to the close proximity of…
- [NTSB SEA92FA045](https://openairdocs.org/ntsb/SEA92FA045.md): Bell 206B · Wellington, UT · Accident · 2 fatal · Field investigation · Final report · Feb 12, 1992 · N5003U · Destroyed
  > The pilot's continued flight into adverse weather conditions and an excessive rate of descent. Factors contributing to the accident were fog, rain, low ceilings, night conditions, snow covered terrain and pilot disorientation.
- [NTSB DEN89FA070](https://openairdocs.org/ntsb/DEN89FA070.md): Swearingen SA-227-AC · Salt Lake City, UT · Accident · No injuries · Field investigation · Final report · Jan 30, 1989 · N169SW · 2 aircraft · Substantial damage
  > The failure of captain of N169SW to maintain a visual lookout while taxiing his aircraft allowing his aircraf to creep into the stationary aircraft in front of him.
- [NTSB DEN88LA130](https://openairdocs.org/ntsb/DEN88LA130.md): Piper J3C-65 · West Jordon, UT · Accident · No injuries · Limited investigation · Final report · Jun 15, 1988 · N70471 · Substantial damage
- [NTSB DEN84LA126](https://openairdocs.org/ntsb/DEN84LA126.md): Piper PA-28-236 · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Apr 7, 1984 · N2940T · Substantial damage
  > The plt got out of the acft to check the starter solenoid by turning the propeller. He left the mags on and the brakes off. When the prop was turned the acft started and collided with a parked acft.
- [NTSB DEN82DTM08](https://openairdocs.org/ntsb/DEN82DTM08.md): Enstrom 280C · Midway, UT · Accident · No injuries · Final report · Jan 2, 1982 · N51735 · Destroyed
  > The aircraft crashed while being moved about 150 ft from the parking area to a storage building. There was about 2 1/2 ft of fresh snow on the ground. The snow had been cleared from the parking area in front of the storage building. However, a snow cat had…
- [NTSB DEN79FTC02](https://openairdocs.org/ntsb/DEN79FTC02.md): Piper PA-28 · Bountiful, UT · Accident · No injuries · Closed · Sep 12, 1978 · N7989W · Substantial damage
- [NTSB DEN78FTM26](https://openairdocs.org/ntsb/DEN78FTM26.md): Piper J-3 · Provo, UT · Accident · No injuries · Closed · Jun 25, 1978 · N92002 · Substantial damage
- [NTSB DEN78FA038](https://openairdocs.org/ntsb/DEN78FA038.md): Beech BE-65 · Salt Lake City, UT · Accident · No injuries · Closed · Apr 20, 1978 · N20 · Substantial damage
- [NTSB DEN77DTM11](https://openairdocs.org/ntsb/DEN77DTM11.md): Aero Comdr 112TC · Vernal, UT · Accident · No injuries · Closed · Feb 18, 1977 · N1866J · Substantial damage
- [NTSB DEN76FTM42](https://openairdocs.org/ntsb/DEN76FTM42.md): Cessna 182 · Salt Lake City, UT · Accident · No injuries · Closed · Jul 31, 1976 · N5415B · Substantial damage
- [NTSB DEN76FTM26](https://openairdocs.org/ntsb/DEN76FTM26.md): Cessna 182E · Salt Lake City, UT · Accident · Minor injuries · Closed · Apr 25, 1976 · N3195Y · Substantial damage
- [NTSB DEN75FTM16](https://openairdocs.org/ntsb/DEN75FTM16.md): Luscombe 8A · Salt Lake City, UT · Accident · No injuries · Closed · Jun 12, 1975 · N72078 · Substantial damage
- [NTSB DEN73FTM22](https://openairdocs.org/ntsb/DEN73FTM22.md): Cessna 320C · Ogden, UT · Accident · No injuries · Closed · Feb 20, 1973 · N3017T · Substantial damage
- [NTSB DEN73FTM10](https://openairdocs.org/ntsb/DEN73FTM10.md): Beech 35 · Delta, UT · Accident · No injuries · Closed · Sep 4, 1972 · N2832V · Substantial damage
- [NTSB DEN71DXT16](https://openairdocs.org/ntsb/DEN71DXT16.md): Cessna 180 · Aneth, UT · Accident · No injuries · Closed · Sep 6, 1970 · N4650B · Substantial damage
- [NTSB DEN70D0149](https://openairdocs.org/ntsb/DEN70D0149.md): Aeronca 7BCM · Vernal, UT · Accident · No injuries · Closed · Dec 7, 1969 · N68588 · 2 aircraft · Substantial damage
- [NTSB DEN70F0126](https://openairdocs.org/ntsb/DEN70F0126.md): Piper PA-12 · Ogden, UT · Accident · No injuries · Closed · Nov 8, 1969 · N3505M · Substantial damage
- [NTSB DEN70D0049](https://openairdocs.org/ntsb/DEN70D0049.md): Cessna 150 · Woods Cross, UT · Accident · No injuries · Closed · Aug 11, 1969 · N4814X · Substantial damage
- [NTSB DEN70D0054](https://openairdocs.org/ntsb/DEN70D0054.md): Aeronca 7AC · Woods Cross, UT · Accident · No injuries · Closed · Aug 5, 1969 · N81973 · Substantial damage
- [NTSB DEN69F0237](https://openairdocs.org/ntsb/DEN69F0237.md): Piper PA-20 · Milford, UT · Accident · Minor injuries · Closed · Apr 5, 1969 · CF-NJQ · Substantial damage
- [NTSB DEN69D0208](https://openairdocs.org/ntsb/DEN69D0208.md): Bell-Carson 47G · Provo, UT · Accident · No injuries · Closed · Feb 8, 1969 · N868Z · Substantial damage
- [NTSB DEN69D0036](https://openairdocs.org/ntsb/DEN69D0036.md): Cessna 182 · Provo, UT · Accident · No injuries · Closed · May 21, 1968 · N9907T · Substantial damage
- [NTSB DEN67D0266](https://openairdocs.org/ntsb/DEN67D0266.md): Cessna 140 · Milford, UT · Accident · No injuries · Closed · Mar 26, 1967 · N6321D · Substantial damage
- [NTSB DEN67D0210](https://openairdocs.org/ntsb/DEN67D0210.md): Beech 35 · Lehi, UT · Accident · No injuries · Closed · Jan 18, 1967 · N3166V · Substantial damage
- [NTSB DEN67I0036](https://openairdocs.org/ntsb/DEN67I0036.md): Convair 580 · Salt Lake City, UT · Incident · No injuries · Closed · Dec 14, 1966 · N73155 · Substantial damage
- [NTSB DEN67D0118](https://openairdocs.org/ntsb/DEN67D0118.md): Cessna 170B · Midvale, UT · Accident · No injuries · Closed · Sep 1, 1966 · N2970D · Substantial damage
- [NTSB DEN66F0048](https://openairdocs.org/ntsb/DEN66F0048.md): Cessna 175 · Salt Lake City, UT · Accident · No injuries · Closed · Aug 5, 1965 · N6770E · Substantial damage
- [NTSB DEN66F0059](https://openairdocs.org/ntsb/DEN66F0059.md): Cessna 172 · Salt Lake City, UT · Accident · No injuries · Closed · Aug 3, 1965 · N7079T · Substantial damage
- [NTSB DEN65D0104](https://openairdocs.org/ntsb/DEN65D0104.md): Cessna 172 · Cedar City, UT · Accident · No injuries · Closed · May 22, 1965 · N3778S · Substantial damage
- [NTSB DEN65D0031](https://openairdocs.org/ntsb/DEN65D0031.md): Cessna 180 · Vernal, UT · Accident · No injuries · Closed · Mar 11, 1965 · N2661Y · Substantial damage
- [NTSB DEN65D0048](https://openairdocs.org/ntsb/DEN65D0048.md): Beechcraft 35 · Panguitch, UT · Accident · No injuries · Closed · Sep 12, 1964 · N2875V · Substantial damage
- [NTSB UNK64X0254](https://openairdocs.org/ntsb/UNK64X0254.md): Beechcraft E18S · Moab, UT · Accident · No injuries · Closed · Jan 15, 1964 · N4966B · Substantial damage

## 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" = 'UT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 250)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/250/cases?state=UT

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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.
