Grumman Acft Eng Cor-Schweizer G-164B N6726Q

Summary

On 13 June 2010 at about 17:47 local time, a Grumman Acft Eng Cor-Schweizer G-164B registered N6726Q, operated by Walter Avery, was involved in an accident near Courtland, California, United States. One person was on board and one was seriously injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

13 June 2010 at 17:47

Classification

Accident

Location

Courtland, California, United States

Coordinates

38.3708, -121.6575

Aircraft

Grumman Acft Eng Cor-Schweizer G-164B

Registration

N6726Q

Category

Airplane

Engines

1

Operator

Walter Avery

Operating rule

Part 137: Agricultural

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Route

Clarksburg → Clarksburg

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

WPR10CA289

1 person was seriously injured.

The pilot's failure to maintain clearance from terrain during low-altitude maneuvers.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

The pilot reported that during an aerial application flight he was established and stable on an east-to-west spray pass. He recalls checking the pump pressure gauge for an indication of an empty load when he felt and heard a “significant slam” and felt a grinding sensation. The airplane had impacted level terrain and came to rest upside down. The airplane sustained substantial damage to both wings and the tail assembly. The pilot reported that there were no known mechanical malfunctions or failures with the aircraft prior to the accident.

Quoted verbatim from the NTSB record.