The U.S. aircraft register, updated daily
Accidents · NTSB GAA19CA428 · Final report

Robinson R44 accident near Council Bluff, Iowa, July 16, 2019

On July 16, 2019 at about 10:50 pm local time, a 2008 Robinson R44 (helicopter), registered N124LA, was substantially damaged in an accident during takeoff near Council Bluff, Iowa. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 1 person had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot's improper cyclic input during liftoff from a landing deck, which resulted in the right skid hooking onto an opening on the landing deck and a subsequent dynamic rollover.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 16, 2019 · about 10:50 pm local time
Place
Council Bluff, Iowa · map
Type
Accident
Injuries
1 person had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Robinson R44 II, built 2008 · all R44s on the register
Registration
N124LA · no longer on the register · serial 12199
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

The NTSB's narrative final · quoted from the NTSB record

The pilot reported that, while lifting off from a landing deck on top of an industrial truck, the helicopter's right rear skid hooked into an opening on the deck. The helicopter dynamically rolled right and impacted the ground. The helicopter sustained substantial damage to the main and tail rotor systems, fuselage, and empennage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Roll over during takeoff defining event
  2. Collision with terrain or object (not controlled flight into terrain) during takeoff

The NTSB's findings

  • cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Lateral/bank control › Not attained/maintained
  • cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • cause Personnel issues › Task performance › Use of equip/info › Use of equip/system › Pilot

Pilot

  • Certificate: commercial pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: helicopter
  • Flight time: 26,000 hours in all; 1,700 in this make and model; 250 in the last 90 days; 125 in the last 30 days; 25,500 as pilot in command
  • Last flight review: May 1, 2019
  • Medical certificate: Class 2 (with waivers/limitations)
  • Seat: rgt
  • Injury: minor injuries

The aircraft

  • Last inspection: 100-hour inspection, February 1, 2019
  • Maximum gross weight: 2,500 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming IO-540-AE1A5 (piston); 2,500 hours total
  • Operator: Rotors Llc

The flight

  • Departed from: Council Bluff IA at 11:00 pm
  • Destination: Council Bluff IA
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 020° at 4 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 88°F (31°C), dew point 72°F (22°C)
  • Altimeter: 29.86 inHg
  • Observation at 10:35 pm from KCBF, 2 miles away

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

2 documents, released by the NTSB on January 16, 2020. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.