# NTSB investigations, DC: 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 DCA08CA041](https://openairdocs.org/ntsb/DCA08CA041.md): Embraer ERJ170 · Washington, DC · Accident · No injuries · Data collection · Final report · Feb 17, 2008 · N828MD · 2 aircraft · Minor damage
  > Inadequate ground separation maintained by the pilot of the Embraer E170.
- [NTSB DCA01MA056](https://openairdocs.org/ntsb/DCA01MA056.md): de Havilland Dash 8-100 · Washington, DC · Accident · 1 fatal · Major investigation · Final report · Aug 5, 2001 · N935HA · Minor damage
  > The ramp agent's impaired performance due to his hyperthyroidism, which was exacerbated by the heat and was inadequately controlled by medication, and possibly also due to the use of an antianxiety medication.
- [NTSB IAD99IA059](https://openairdocs.org/ntsb/IAD99IA059.md): Boeing 727-200 · Washington, DC · Incident · No injuries · Incident investigation · Final report · Aug 23, 1999 · N926TS · Minor damage
  > The inadequate lubrication of the landing gear side strut assembly by company maintenance personnel. A factor in the accident was the inadequate design of the assembly that trapped water and prevented adequate lubrication.
- [NTSB IAD96LA066](https://openairdocs.org/ntsb/IAD96LA066.md): Cessna 208 · Washington, DC · Accident · No injuries · Limited investigation · Final report · Apr 24, 1996 · N776FE · Substantial damage
  > The pilot's failure to maintain control of the aircraft while taxiing for takeoff. Related factors were the wet runway and the gusty crosswind.
- [NTSB BFO85IA074](https://openairdocs.org/ntsb/BFO85IA074.md): Mcdonnell Douglas DC-10-10 · Washington, DC · Incident · Minor injuries · Incident investigation · Final report · Sep 8, 1985 · N1842U · Minor damage
  > Northwest flight 78 (NW78), a B-757, was parked at gate 17 facing east with mobile passenger lounge (mpl) docked at L1 door. United 52, a DC-10, taxied in easterly direction by left side of NW78, then turned right to southeasterly heading to follow lead-in…
- [NTSB IAD80IA043](https://openairdocs.org/ntsb/IAD80IA043.md): Boeing 727 · Washington, DC · Incident · No injuries · Closed · Apr 11, 1980 · N8873Z · Minor damage
- [NTSB IAD80IA015](https://openairdocs.org/ntsb/IAD80IA015.md): Beech K35 · Washington, DC · Incident · No injuries · Closed · Dec 6, 1979 · N3077C · Minor damage
- [NTSB IAD78IA112](https://openairdocs.org/ntsb/IAD78IA112.md): Piper PA-31 · Washington, DC · Incident · No injuries · Closed · Sep 19, 1978 · N59911 · Minor damage
- [NTSB NYC73AN057](https://openairdocs.org/ntsb/NYC73AN057.md): Boeing 727 · Washington, DC · Accident · No injuries · Closed · Oct 30, 1972 · N498US · Substantial damage
- [NTSB IAD71II020](https://openairdocs.org/ntsb/IAD71II020.md): Douglas D DC-8 · Washington, DC · Incident · No injuries · Closed · Oct 28, 1970 · N8027 · Minor damage
- [NTSB IAD71II011](https://openairdocs.org/ntsb/IAD71II011.md): Boeing 707 · Dulles Intl Apt, DC · Incident · No injuries · Closed · Oct 16, 1970 · N799TW · Minor damage
- [NTSB DIA69I0050](https://openairdocs.org/ntsb/DIA69I0050.md): Boeing 727 · Wash Natl Apt, DC · Incident · Minor injuries · Closed · Mar 23, 1969 · N4618H · No damage
- [NTSB DIA68D0224](https://openairdocs.org/ntsb/DIA68D0224.md): Beech C35 · Washington, DC · Accident · No injuries · Closed · May 2, 1968 · N653D · Substantial damage
- [NTSB NYC65A0106](https://openairdocs.org/ntsb/NYC65A0106.md): No American 265A · Washington, DC · Accident · No injuries · Closed · Feb 18, 1965 · N168H · Substantial damage
- [NTSB UNK65X1076](https://openairdocs.org/ntsb/UNK65X1076.md): Bell 47H1 · Washington, DC · Accident · No injuries · Closed · Dec 20, 1964 · N2475B · 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" = 'DC' 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=DC

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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.