# NTSB investigations, 2012: Loss of lift

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 WPR13CA068](https://openairdocs.org/ntsb/WPR13CA068.md): Robinson R22 · Logan, UT · Accident · No injuries · Data collection · Final report · Dec 15, 2012 · N393LE · Substantial damage
  > The flight instructor’s delayed remedial action and inadequate supervision during a practice autorotation, which resulted in a failure to maintain adequate main rotor rpm. Contributing to the accident was the wet landing surface.
- [NTSB CEN13CA079](https://openairdocs.org/ntsb/CEN13CA079.md): Schweizer SGS 2-32 · Boulder, CO · Accident · Minor injuries · Data collection · Final report · Nov 29, 2012 · N9929J · Substantial damage
  > The glider pilot's inability to locate an area of thermal lift.
- [NTSB WPR13FA061](https://openairdocs.org/ntsb/WPR13FA061.md): Piper PA28 · Aurora, UT · Accident · 3 fatal · Field investigation · Final report · Nov 25, 2012 · N8314E · Substantial damage
  > The pilot's failure to maintain clearance with terrain while maneuvering in a remote mountainous region. Contributing to the accident was the pilot's improper decision to traverse the remote mountainous area in high-density altitude conditions with the…
- [NTSB WPR13CA019](https://openairdocs.org/ntsb/WPR13CA019.md): Quicksilver Mfg MXL II Sport · Live Oak, CA · Accident · Serious injuries · Data collection · Final report · Oct 20, 2012 · N187AB · Substantial damage
  > The pilot’s failure to compensate for turbulent conditions, which resulted in a loss of altitude.
- [NTSB WPR13LA007](https://openairdocs.org/ntsb/WPR13LA007.md): Schleicher ASH25M · Kamuela, HI · Accident · Serious injuries · Limited investigation · Final report · Oct 7, 2012 · N513WK · Substantial damage
  > The pilot’s failure to maintain control of the glider after it encountered atmospheric conditions while maneuvering where the lift was not sufficient to maintain flight, which resulted in a stall and impact with terrain during the subsequent approach to land.
- [NTSB WPR12LA426](https://openairdocs.org/ntsb/WPR12LA426.md): Bell 206 - B · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Sep 19, 2012 · N222GR · Destroyed
  > The pilot’s inability to maintain sufficient main rotor rpm while maneuvering in high density altitude conditions, which resulted in a precautionary landing and subsequent rollover.
- [NTSB CEN12LA578](https://openairdocs.org/ntsb/CEN12LA578.md): Destiny XLT · Hart, MI · Accident · 2 fatal · Limited investigation · Final report · Aug 24, 2012 · N1674A · Substantial damage
  > The partial deflation of the powered parachute canopy when the pilot flew the aircraft into an area with gusty wind conditions. Contributing to the accident were the modifications that changed the flying characteristics of the parachute.
- [NTSB WPR12CA351](https://openairdocs.org/ntsb/WPR12CA351.md): Robinson R22 · Monticello, UT · Accident · Minor injuries · Data collection · Final report · Aug 11, 2012 · N7135J · Substantial damage
  > The pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude, which resulted in the helicopter settling and subsequently colliding with the ground. Contributing to the accident was that the pilot had insufficient altitude to…
- [NTSB ERA12CA462](https://openairdocs.org/ntsb/ERA12CA462.md): Infinity Infinity 2003 · Wilmore, KY · Accident · Serious injuries · Data collection · Final report · Jul 16, 2012 · N5627G · Substantial damage
  > A loss of lift on initial climb for unreported reasons, which resulted in a collision with trees and the ground.
- [NTSB WPR12CA304](https://openairdocs.org/ntsb/WPR12CA304.md): Schempp Hirth Nimbus II · Redmond, OR · Accident · No injuries · Data collection · Final report · Jul 13, 2012 · N96132 · Substantial damage
  > A loss of aerodynamic lift that resulted in a forced landing on unsuitable terrain.
- [NTSB WPR12LA283](https://openairdocs.org/ntsb/WPR12LA283.md): Stinson 108 · Stanley, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 30, 2012 · N773C · Substantial damage
  > The pilot’s inadequate preflight planning and decision to takeoff at a density altitude outside of the airplane’s takeoff performance envelope, with a tailwind, and near the airplane’s maximum gross weight, which resulted in the airplane’s inability to climb…
- [NTSB WPR12CA278](https://openairdocs.org/ntsb/WPR12CA278.md): Schweizer SGS 1-36 · Bishop, CA · Accident · No injuries · Data collection · Final report · Jun 27, 2012 · N3617U · Substantial damage
  > The glider’s encounter with insufficient atmospheric lift to maintain soaring flight, which resulted in an off-airport landing.
- [NTSB WPR12CA288](https://openairdocs.org/ntsb/WPR12CA288.md): Dg-Flugzeugbau DG-500MB · Richland, WA · Accident · Minor injuries · Data collection · Final report · Jun 24, 2012 · N505JL · Substantial damage
  > The failure of the spoilers to retract because the right wing spoiler’s lower plate became jammed, which resulted in the glider not having enough lift to make it to the runway surface.
- [NTSB WPR12FA274](https://openairdocs.org/ntsb/WPR12FA274.md): Cessna 172 · Veneta, OR · Accident · 4 fatal · Field investigation · Final report · Jun 23, 2012 · N5781A · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and altitude to clear trees during the initial climb after takeoff.
- [NTSB CEN12CA375](https://openairdocs.org/ntsb/CEN12CA375.md): Air Tractor AT-502 · Ipswich, SD · Accident · No injuries · Data collection · Final report · Jun 15, 2012 · N45379 · Substantial damage
  > The pilot's failure to abort the takeoff, which resulted in a runway excursion.
- [NTSB CEN12LA359](https://openairdocs.org/ntsb/CEN12LA359.md): Robinson Helicopter R44 II · Santa Teresa, NM · Accident · No injuries · Limited investigation · Final report · Jun 10, 2012 · N744JS · Substantial damage
  > The sudden decrease in headwind during takeoff in a gusty wind and near a passing train, which resulted in a loss of lift and main rotor rpm. Contributing to the accident was the pilot's decision to operate the helicopter near its maximum performance…
- [NTSB CEN12CA361](https://openairdocs.org/ntsb/CEN12CA361.md): Cessna 172H · Moscow Mills, MO · Accident · No injuries · Data collection · Final report · Jun 10, 2012 · N3736R · Substantial damage
  > The pilot's failure to maintain control of the airplane during takeoff in a gusty crosswind, which resulted in a runway excursion.
- [NTSB CEN12LA331](https://openairdocs.org/ntsb/CEN12LA331.md): Baldwin Skybolt · Stuttgart, AR · Accident · Minor injuries · Limited investigation · Final report · May 30, 2012 · N24EB · Substantial damage
  > The pilot's inadequate preflight planning, which resulted in the airplane’s overweight takeoff from an airstrip with a high density altitude and subsequent collision with terrain.
- [NTSB ERA12CA281](https://openairdocs.org/ntsb/ERA12CA281.md): Piper J3C-65 · Plantation Key, FL · Accident · No injuries · Data collection · Final report · Apr 13, 2012 · N75487 · Substantial damage
  > The pilot’s failure to maintain adequate control of the airplane and ensure clearance from trees.
- [NTSB WPR12CA157](https://openairdocs.org/ntsb/WPR12CA157.md): Fisher HP-14 Sailplane · Nampa, ID · Accident · No injuries · Data collection · Final report · Apr 6, 2012 · N990 · Substantial damage
  > The pilot’s incorrect positioning of the wing flaps during the landing approach, which resulted in a loss of lift and hard landing.
- [NTSB ERA12TA251](https://openairdocs.org/ntsb/ERA12TA251.md): Bell 407 · Delray Beach, FL · Accident · Minor injuries · Final report · Mar 23, 2012 · N31PB · Substantial damage
  > The pilot’s improper response to a simulated engine failure and the instructor’s delayed and improper remedial action.
- [NTSB WPR12LA116](https://openairdocs.org/ntsb/WPR12LA116.md): Beech S35 · Dixie Valley, NV · Accident · No injuries · Limited investigation · Final report · Feb 25, 2012 · N272D · Substantial damage
  > The airplane’s encounter with forecast low-level windshear conditions during takeoff, which resulted in a loss of lift.
- [NTSB WPR12LA104](https://openairdocs.org/ntsb/WPR12LA104.md): Beech G18 · Hollister, CA · Accident · No injuries · Limited investigation · Final report · Feb 14, 2012 · VH-NWB · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the initial climb, which resulted in an aerodynamic stall and a subsequent hard landing, loss of directional control, and ground loop.
- [NTSB CEN12CA131](https://openairdocs.org/ntsb/CEN12CA131.md): Infinity Power Parachutes Classic 2002 · Alanson, MI · Accident · Serious injuries · Data collection · Final report · Jan 11, 2012 · N3902V · Substantial damage
  > The powered parachute’s encounter with a downdraft/windshear during takeoff, which resulted in a loss of lift.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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") = 2012
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '500' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/500/sequence?year=2012

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