# NTSB investigations, DE: 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 ERA24LA299](https://openairdocs.org/ntsb/ERA24LA299.md): Bellanca 8GCBC · Frankford, DE · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 4, 2024 · N749SK · Substantial damage
  > A partial loss of engine power resulting from cylinder detonation and a cracked spark plug, which resulted in a forced landing and impact with terrain.
- [NTSB ERA20CA298](https://openairdocs.org/ntsb/ERA20CA298.md): Vans RV6 · Milton, DE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 27, 2020 · N628JB · Substantial damage
  > The pilot and owner’s failure to adequately communicate and establish an understanding of who was flying the airplane, and their failure to take timely action to avoid a collision with terrain.
- [NTSB ERA17LA249](https://openairdocs.org/ntsb/ERA17LA249.md): Grumman G 164 · Marydel, DE · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2017 · N691Y · Substantial damage
  > The pilot's failure to maintain adequate clearance from power lines while conducting an aerial application flight.
- [NTSB ERA16LA253](https://openairdocs.org/ntsb/ERA16LA253.md): Bell 429 · Georgetown, DE · Accident · 1 fatal · Limited investigation · Final report · Jul 11, 2016 · N1SP · No damage
  > The emergency response team's failure to ensure that the system operator was secured to the helicopter, which resulted in his fall during the recurrent rescue hoist training operation.
- [NTSB ERA16LA242](https://openairdocs.org/ntsb/ERA16LA242.md): Grumman Acft ENG Cor-Schweizer G-164 · Laurel, DE · Accident · No injuries · Limited investigation · Final report · Jul 2, 2016 · N6781K · Substantial damage
  > A total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle linkage.
- [NTSB ERA12LA493](https://openairdocs.org/ntsb/ERA12LA493.md): Sikorsky S-58JT · Middletown, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2012 · N126GW · Substantial damage
  > The pilot's failure to recognize that the helicopter was experiencing tail rotor dynamic instability and to take immediate corrective actions during an external load lift, which resulted in the failure of a tail rotor blade.
- [NTSB NYC08LA024](https://openairdocs.org/ntsb/NYC08LA024.md): Blondin 601HDS · Farmington, DE · Accident · 2 fatal · Limited investigation · Final report · Nov 4, 2007 · N27S · Destroyed
  > The reason for this occurrence could not be determined.
- [NTSB NYC05LA126](https://openairdocs.org/ntsb/NYC05LA126.md): Grumman G-164A · Felton, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2005 · N5495 · Substantial damage
  > The mechanic's inadequate annual inspection, and failure to comply with an airworthiness directive, which resulted in a total failure of the second stage turbine rotor.
- [NTSB NYC05FA117](https://openairdocs.org/ntsb/NYC05FA117.md): Carlstrom Long EZ · Lewes, DE · Accident · 2 fatal · Field investigation · Final report · Jul 10, 2005 · N78LC · 2 aircraft · Destroyed
  > The Long EZ pilot's failure to maintain clearance from the RV-8 airplane, which resulted in a mid-air collision during a formation flight.
- [NTSB NYC01FA172](https://openairdocs.org/ntsb/NYC01FA172.md): Beech A23-24 · Bridgeville, DE · Accident · 1 fatal · Field investigation · Final report · Jul 15, 2001 · N5962S · Substantial damage
  > The pilot's incapacitation, which resulted in a loss of aircraft control while maneuvering. A factor was the FAA Aeromedical Certification Division's inadequate certification/approval of the pilot's medical certificate. Findings were the pilot's inappropriate…
- [NTSB IAD98LA067](https://openairdocs.org/ntsb/IAD98LA067.md): Cessna 150G · Selbyville, DE · Accident · Minor injuries · Limited investigation · Final report · Jun 3, 1998 · N3731J · Substantial damage
  > Inadequate compensation for wind conditions by the pilot, and his failure to maintain control of the airplane. High, gusting winds were contributing factors.
- [NTSB NYC95LA107](https://openairdocs.org/ntsb/NYC95LA107.md): Enstrom 280C · Newark, DE · Accident · No injuries · Limited investigation · Final report · May 13, 1995 · N122HA · Substantial damage
  > The pilot's improper use of throttle and collective controls, resulting in the loss of rotor rpm and the inflight loss of control.
- [NTSB BFO95LA013](https://openairdocs.org/ntsb/BFO95LA013.md): Robinson R-22B · Magnolia, DE · Accident · Minor injuries · Limited investigation · Final report · Nov 19, 1994 · N40411 · Destroyed
  > the pilot's failure to maintain adequate rotor rpm while hovering.
- [NTSB NYC93FA102](https://openairdocs.org/ntsb/NYC93FA102.md): Cessna 150E · Selbyville, DE · Accident · 1 fatal · Field investigation · Final report · Jun 7, 1993 · N3981U · Destroyed
  > The pilot's failure to maintain proper airspeed resulting in an inadvertent stall/spin and collision with the terrain. A factor related to the accident was the pilot's lack of experience in the banner towing operation.
- [NTSB BFO91FA048](https://openairdocs.org/ntsb/BFO91FA048.md): Piper PA-38-112 · Odessa, DE · Accident · 1 fatal · Field investigation · Final report · May 5, 1991 · N9285 · Destroyed
  > The pilot's failure to recover from a stall. Contributing was an intentional stall of the aircraft, pilot inexpereince and inadequate altitude.
- [NTSB BFO91LA023](https://openairdocs.org/ntsb/BFO91LA023.md): Holmes Special S2C · Ellendale, DE · Accident · Serious injuries · Limited investigation · Final report · Jan 15, 1991 · N484MH · Destroyed
  > The pilot's failure to recover from an aerobatic manuever in time to avoid inflight collision with the ground.
- [NTSB BFO88LA070](https://openairdocs.org/ntsb/BFO88LA070.md): Cessna 150K · Selbyville, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 1988 · N5682G · Substantial damage
  > The plt was in the process of picking up a banner when the aircraft stalled and crashed into a wooded area. The banner was picked up at an airspeed of 80 mph and the acft altitude was increased to 250 ft AGL. The pilot reported that the wings of the acft…
- [NTSB NYC82FA203](https://openairdocs.org/ntsb/NYC82FA203.md): Champion 7ECA · Lewes, DE · Accident · 2 fatal · Field investigation · Final report · Aug 17, 1982 · N1886G · Destroyed
  > About 15 min after takeoff, the aircraft was observed to enter a maneuver from low altitude over a beach area. During the maneuver, the plane pulled up, entered a steep climb and then banked or rolled left and entered a nose down attitude. Before recovering,…
- [NTSB IAD78FHD22](https://openairdocs.org/ntsb/IAD78FHD22.md): Bellanca 7ECA · Selbyville, DE · Accident · Minor injuries · Closed · Aug 15, 1978 · N88388 · Substantial damage
- [NTSB NYC76FHD22](https://openairdocs.org/ntsb/NYC76FHD22.md): Grumman G-164 · Frederick, DE · Accident · No injuries · Closed · Mar 29, 1976 · N7855 · Substantial damage
- [NTSB IAD75FHD53](https://openairdocs.org/ntsb/IAD75FHD53.md): Volmer VJ22 · Milton, DE · Accident · Serious injuries · Closed · Jun 14, 1975 · N40VA · Substantial damage
- [NTSB IAD75FHD33](https://openairdocs.org/ntsb/IAD75FHD33.md): Cessna 150L · Dagsboro, DE · Accident · Serious injuries · Closed · Mar 3, 1975 · N11155 · Destroyed
- [NTSB IAD73AI020](https://openairdocs.org/ntsb/IAD73AI020.md): Champion 7GCBC · Selbyville, DE · Accident · 1 fatal · Closed · Jun 30, 1973 · N5241X · Destroyed
- [NTSB DIA67F0101](https://openairdocs.org/ntsb/DIA67F0101.md): Piper PA-25 · Cheswold, DE · Accident · No injuries · Closed · May 8, 1967 · N4551Y · Destroyed
- [NTSB UNK64X1792](https://openairdocs.org/ntsb/UNK64X1792.md): Aeronca 7FC · Harrington, DE · Accident · 1 fatal · Closed · May 16, 1964 · N9066B · Destroyed

## 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" = 'DE' 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=DE

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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.