# NTSB investigations, PR: Maneuvering

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 ERA24LA172](https://openairdocs.org/ntsb/ERA24LA172.md): MD Helicopters 369FF · Ceiba, PR · Accident · No injuries · Class 4 · Limited · Final report · Apr 9, 2024 · N5841Z · Substantial damage
  > The pilots’ failure to ensure adequate clearance from the taxiway while performing a quick stop maneuver.
- [NTSB GAA18CA378](https://openairdocs.org/ntsb/GAA18CA378.md): Mcdonnell Douglas Heli 369 · Yabucoa, PR · Accident · No injuries · Data collection · Final report · Jun 16, 2018 · N900FF · Substantial damage
  > The pilot's failure to maintain main rotor clearance from a fiber line while picking up a lineman.
- [NTSB ERA18LA091](https://openairdocs.org/ntsb/ERA18LA091.md): Hughes 369 · San Juan, PR · Accident · Serious injuries · Limited investigation · Final report · Jan 11, 2018 · N571HH · No damage
  > The helicopter pilot's improper decision to use an open-end grapple, instead of an A-frame attachment, to lift and move a ladder with a lineman on it and the lineman's improper decision to be lifted on a ladder via an open-end grapple, which were contrary to…
- [NTSB ERA15LA133](https://openairdocs.org/ntsb/ERA15LA133.md): Johnson Joel H Rans S-6ES Coyote II · Rincon, PR · Accident · 1 fatal · Limited investigation · Final report · Feb 19, 2015 · N5196W · Substantial damage
  > The inadequate maintenance and inspection of the fuel system, which resulted in partial blockage of a fuel filter, a partial loss of engine power, and subsequent ditching.
- [NTSB ERA11LA056](https://openairdocs.org/ntsb/ERA11LA056.md): Carlo Robert Quicksilver SPT 2S · Lajas, PR · Accident · 1 fatal · Limited investigation · Final report · Nov 13, 2010 · N5593F · Substantial damage
  > The pilot’s failure to maintain adequate airspeed, which resulted in an aerodynamic stall and entry into a spin.
- [NTSB ERA09LA413](https://openairdocs.org/ntsb/ERA09LA413.md): Cessna 152 · Ponce, PR · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 2009 · N5518P · Destroyed
  > The airplane’s impact with water for undetermined reasons.
- [NTSB ERA09LA051](https://openairdocs.org/ntsb/ERA09LA051.md): Robinson Helicopter R44 · San Juan, PR · Accident · Serious injuries · Limited investigation · Final report · Nov 12, 2008 · N452JM · Substantial damage
  > The detachment of the forward left servo control tube upper rod end attachment bolt during a hover due to separation of its retaining nut for undetermined reasons.
- [NTSB NYC08LA225](https://openairdocs.org/ntsb/NYC08LA225.md): Rans Rans S-6ES · Lajas, PR · Accident · 2 fatal · Limited investigation · Final report · Jun 22, 2008 · N131PR · Substantial damage
  > The pilot's failure to maintain airspeed resulting in an inadvertent stall/spin.
- [NTSB MIA07CA107](https://openairdocs.org/ntsb/MIA07CA107.md): Robinson R-44-II · Isla Grande, PR · Accident · No injuries · Data collection · Final report · Mar 16, 2007 · N72PK · Substantial damage
  > The pilot's inadvertent encounter with a loss of tail rotor effectiveness which resulted in damage to the helicopter during the subsequent hard landing.
- [NTSB MIA05CA144](https://openairdocs.org/ntsb/MIA05CA144.md): Grumman American G-164 · Sabana Grande, PR · Accident · Minor injuries · Data collection · Final report · Aug 4, 2005 · N460Y · Substantial damage
  > The pilot's inadvertent encounter with a downdraft in mountainous terrain resulting in an uncontrolled descent and collision with the terrain.
- [NTSB MIA02FA084](https://openairdocs.org/ntsb/MIA02FA084.md): Mitsubishi MU-2B-35 · Carolina, PR · Accident · 2 fatal · Field investigation · Final report · Apr 15, 2002 · N45BS · Destroyed
  > The failure of the pilot to maintain airspeed (Vs) while maneuvering following inadvertent encounter with clouds resulting in an inadvertent stall and uncontrolled descent and subsequent in-flight collision with trees, a wall, and a building.
- [NTSB MIA02LA031](https://openairdocs.org/ntsb/MIA02LA031.md): Cessna 172M · Barceloneta, PR · Accident · Minor injuries · Limited investigation · Final report · Nov 23, 2001 · N61582 · Substantial damage
  > The pilot's failure to maintain control of the aircraft which resulted in an uncontrolled descent and an in flight collision with water. Contributing to the accident was the impairment of the pilot due to alcohol.
- [NTSB MIA84LA071](https://openairdocs.org/ntsb/MIA84LA071.md): Piper PA-28-140 · Naranjito, PR · Accident · Serious injuries · Limited investigation · Final report · Feb 3, 1984 · N15MM · Substantial damage
  > The acft collided with hilly terrain during a low pass. The plt was preparing to land at a nearby private airstrip.
- [NTSB MIA80FKA05](https://openairdocs.org/ntsb/MIA80FKA05.md): Cessna 150 · Rio Grande, PR · Accident · No injuries · Closed · Feb 23, 1980 · N566PR · Destroyed
- [NTSB MIA78FA120](https://openairdocs.org/ntsb/MIA78FA120.md): Grum-Amer AA1A · Toa Baja, PR · Accident · 2 fatal · Closed · Aug 26, 1978 · N6330L · Destroyed
- [NTSB MIA77FA018](https://openairdocs.org/ntsb/MIA77FA018.md): Grum Amer AA-1B · Dorado, PR · Accident · 1 fatal · Closed · Dec 12, 1976 · N9954L · Destroyed
- [NTSB MIA77FKA01](https://openairdocs.org/ntsb/MIA77FKA01.md): Grumman G-164 · Yauco, PR · Accident · No injuries · Closed · Nov 1, 1976 · N460Y · Substantial damage
- [NTSB MIA7KAM086](https://openairdocs.org/ntsb/MIA7KAM086.md): Grum Amer AA-5 · Fajardo, PR · Accident · 1 fatal · Closed · Jun 7, 1975 · N7176L · Destroyed
- [NTSB MIA75FKA09](https://openairdocs.org/ntsb/MIA75FKA09.md): Hiller Acft UH-12E · San Juan, PR · Accident · No injuries · Closed · Apr 28, 1975 · N9781C · Substantial damage
- [NTSB MIA74FKA09](https://openairdocs.org/ntsb/MIA74FKA09.md): Bell 47G2A1 · San Sabastian, PR · Accident · Serious injuries · Closed · Apr 18, 1974 · N73264 · Destroyed
- [NTSB MIA71FKA12](https://openairdocs.org/ntsb/MIA71FKA12.md): Grumman G-164 · Ponce, PR · Accident · 1 fatal · Closed · Jun 22, 1971 · N399Y · Destroyed
- [NTSB MIA71DKA14](https://openairdocs.org/ntsb/MIA71DKA14.md): Grumann G164 · Yauco, PR · Accident · No injuries · Closed · Jun 7, 1971 · N10296 · Destroyed
- [NTSB MIA70F0118](https://openairdocs.org/ntsb/MIA70F0118.md): Piper PA-25 · Mayaguez, PR · Accident · No injuries · Closed · Aug 15, 1969 · N6768Z · Substantial damage
- [NTSB MIA70F0072](https://openairdocs.org/ntsb/MIA70F0072.md): Piper PA-25 · Isabela, PR · Accident · Serious injuries · Closed · Jul 9, 1969 · N6973Z · Destroyed
- [NTSB MIA68D0510](https://openairdocs.org/ntsb/MIA68D0510.md): Piper PA-25 · Santa Isabel, PR · Accident · No injuries · Closed · May 3, 1968 · N6878Z · Substantial damage
- [NTSB MIA68A0012](https://openairdocs.org/ntsb/MIA68A0012.md): Champion 7ECA · Vega Baja, PR · Accident · Minor injuries · Closed · Jul 25, 1967 · N9671S · Destroyed
- [NTSB MIA66A0141](https://openairdocs.org/ntsb/MIA66A0141.md): Hughes 269B · Anasco, PR · Accident · No injuries · Closed · Jun 8, 1966 · N9407F · Substantial damage
- [NTSB MIA66A0110](https://openairdocs.org/ntsb/MIA66A0110.md): Air Space 18A · Santa Isabel, PR · Accident · Minor injuries · Closed · Mar 20, 1966 · N6112S · Destroyed
- [NTSB MIA65A0118](https://openairdocs.org/ntsb/MIA65A0118.md): Hughes 269B · Anasco, PR · Accident · No injuries · Closed · Jun 12, 1965 · N9395F · 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" = 'PR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?state=PR

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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.