No fatalities

Takeoff Climb Difficulty Leads to Runway Overrun and Tree Strike

Spearfish, SD, United States

On July 19, 2018, a Cessna 170 B was involved in an aviation accident near Spearfish, SD. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s improper decision to take off in tailwind conditions, which resulted in an aborted takeoff with insufficient runway remaining. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

During takeoff from a grass runway, the pilot experienced insufficient climb performance and low airspeed. After aborting the takeoff, the airplane overran the runway, struck a tree with the left wing, and spun 180 degrees.

Accident Details

The pilot reported that during takeoff on a grass runway, after lift-off, he noticed he was unable to climb at a normal rate. He lowered the nose of the airplane, but the airspeed remained "dangerously low" and the stall horn sounded intermittently. He reduced power to abort the takeoff, but there was insufficient runway remaining. The airplane touched down, overran the runway, and the left wing impacted a tree. The airplane then spun 180 degrees before coming to rest.

Weather Information

The automated weather observation station located on the airport reported that, about 5 minutes after the accident, the wind was from 140° at 5 knots, temperature 64°F, and dew point 59°F. The airplane was departing on runway 26.

Aircraft Damage

The airplane sustained substantial damage to the left wing. The pilot did not submit the NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report.

Probable Cause

No probable cause was stated in the source.

Contributing factors

Causes

PilotDecision related to condition

Other contributing factors

Effect on operationContributed to outcome

Frequently asked questions

What happened in the 19 Jul 2018 Cessna 170 B accident near Spearfish, SD?

During takeoff from a grass runway, the pilot experienced insufficient climb performance and low airspeed. After aborting the takeoff, the airplane overran the runway, struck a tree with the left wing, and spun 180 degrees.

Were there any fatalities in the 19 Jul 2018 Cessna 170 B accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 19 Jul 2018 involved a Cessna 170 B, at Spearfish, SD.

What was the probable cause of the accident?

The pilot’s improper decision to take off in tailwind conditions, which resulted in an aborted takeoff with insufficient runway remaining.