# NTSB investigations, 2011: Pushback/towing

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 CEN12IA123](https://openairdocs.org/ntsb/CEN12IA123.md): Boeing 737-7H4 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 22, 2011 · N469WN · Minor damage
  > The snowplow operator’s incapacitation due to fatigue, which resulted in the snowplow contacting a parked airplane. Contributing to the incident was the company’s lack of a policy regarding employee fatigue.
- [NTSB ERA12CA038](https://openairdocs.org/ntsb/ERA12CA038.md): Mcdonnell Douglas MD-88 · Atlanta, GA · Accident · No injuries · Data collection · Final report · Oct 7, 2011 · N922DL · Substantial damage
  > The tug driver's inadequate control of the tug while maneuvering the airplane during pushback.
- [NTSB DCA11WA090](https://openairdocs.org/ntsb/DCA11WA090.md): Boeing 777 · Cairo, Egypt · Incident · No injuries · Foreign investigation · Jul 29, 2011 · SU-GBP · Minor damage
  > On July 29, 2011, a Boeing B777-200, registration SU-GBP, operated by EgyptAir, experienced a fire in the right hand lower portion of the cockpit area, adjacent to the electronic flight bag and an electrical power panel. The aircraft was in the process of…
- [NTSB DCA11CA073](https://openairdocs.org/ntsb/DCA11CA073.md): Boeing 757-222 · San Fransico, CA · Accident · No injuries · Data collection · Final report · Jun 12, 2011 · N571UA · Substantial damage
  > The ramp personnel's failure to visually verify the position of the jetway before beginning the airplane pushback.
- [NTSB WPR11LA300](https://openairdocs.org/ntsb/WPR11LA300.md): Boeing 757-222 · Los Angeles, CA · Accident · Serious injuries · Limited investigation · Final report · May 31, 2011 · N526UA · Minor damage
  > The ground crewmembers’ failure to follow proper procedures for removing a stuck or jammed tow bar, which resulted in a ground crew injury.
- [NTSB ERA11LA266](https://openairdocs.org/ntsb/ERA11LA266.md): Airbus A330-323 · New York, NY · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 2011 · N807NW · No damage
  > The flight attendant's inadvertent fall, which resulted in a serious injury.
- [NTSB DCA11WA043](https://openairdocs.org/ntsb/DCA11WA043.md): Boeing B777 · Paris, France · Accident · No injuries · Foreign investigation · Apr 10, 2011 · C-FIVM · Substantial damage
  > On April 10, 2011, at 0950 UTC, a Boeing 777, registration C-FIVM, operated by Air Canada, was substantially damaged during pushback at the Charles DeGaulle International Airport, Paris, France, when the tow bar fractured and struck the airplane. The flight…
- [NTSB CEN11IA270](https://openairdocs.org/ntsb/CEN11IA270.md): Embraer EMB-135KL · Dubuque, IA · Incident · No injuries · Incident investigation · Final report · Apr 3, 2011 · N377SK · Minor damage
  > The airport authorities' improper decision to deactivate the jet bridge braking system which created an unsafe condition by the gate agents not being able to stop the bridge from impacting the airplane during a wind gust.
- [NTSB CEN11IA198](https://openairdocs.org/ntsb/CEN11IA198.md): Boeing 737-823 · Southlake, TX · Incident · No injuries · Incident investigation · Final report · Feb 21, 2011 · N945AN · Minor damage
  > The tractor driver’s failure to confirm that the tow bar head/handle was secured correctly to the airplane.

## 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 year(c."eventDate") = 2011
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 200)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/200/cases?year=2011

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