# NTSB investigations: Grumman G-164A: In flight collision with object 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 SEA98LA140](https://openairdocs.org/ntsb/SEA98LA140.md): Grumman-Schweizer G-164A · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N7951 · Substantial damage > The pilot-in-command's misjudgment of clearance with a power line, resulting in a collision with the line. Factors included a power line and dark night light conditions in the spray area. - [NTSB SEA97LA172](https://openairdocs.org/ntsb/SEA97LA172.md): Grumman G-164A · Pingree, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 20, 1997 · N6550 · Destroyed > The pilot-in-command's failure to maintain adequate clearance with the power lines. A contributing factor was the unmarked power lines. - [NTSB CHI96LA310](https://openairdocs.org/ntsb/CHI96LA310.md): Grumman G-164A · Galesburg, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1996 · N904X · Substantial damage > failure of the pilot to maintain clearance from trees that protruded into the field that he was spraying. - [NTSB LAX91LA186](https://openairdocs.org/ntsb/LAX91LA186.md): Grumman G-164A · Madera, CA · Accident · No injuries · Limited investigation · Final report · Apr 28, 1991 · N5250 · Destroyed > Failure of the pilot to maintain adequate clearance from the guy wire. - [NTSB LAX91LA088](https://openairdocs.org/ntsb/LAX91LA088.md): Grumman G-164A · Merced, CA · Accident · No injuries · Limited investigation · Final report · Feb 3, 1991 · N969X · Substantial damage > A disoriented and intoxicated automobile driver entering the runway in front of the departing aircraft. - [NTSB NYC90DHA01](https://openairdocs.org/ntsb/NYC90DHA01.md): Grumman G-164A · Hunlock Creek, PA · Accident · 1 fatal · Final report · May 23, 1990 · N913X · Substantial damage > The pilot's failure to maintain adequate clearance from obtacles, and his failure to see and avoid the electrical transmission line. - [NTSB FTW89DRD05](https://openairdocs.org/ntsb/FTW89DRD05.md): Grumman G-164A · Gueydan, LA · Accident · Minor injuries · Final report · May 29, 1989 · N5267 · Destroyed > Visual lookout was not maintained by the pilot in command, which resulted in the collision with a power transmission line during a swath run. - [NTSB MKC88LA160](https://openairdocs.org/ntsb/MKC88LA160.md): Grumman G-164A · Hebron, NE · Accident · No injuries · Limited investigation · Final report · Aug 19, 1988 · N5329 · Destroyed > While making a aerial application swath run, the pilot was checking his spray booms because of some malfunctioning nozzles. Exiting the field between two groups of trees on the border he failed to see power line poles. He struck the wires, then the terrain,… - [NTSB FTW88DRD18](https://openairdocs.org/ntsb/FTW88DRD18.md): Grumman G-164A · Rayne, LA · Accident · Serious injuries · Final report · Aug 14, 1988 · N979X · Substantial damage > At the end of a swath run, the ag pilot pulled the airplane up and to the left to start a turn-around. The upper left wing struck a steel guy-cable of a 300 foot tower. The airplane made several turns of an inverted flat-spin before water impact into an eight… - [NTSB BFO88DIG03](https://openairdocs.org/ntsb/BFO88DIG03.md): Grumman G-164A · Sleepy Creek, MD · Accident · Serious injuries · Final report · May 26, 1988 · N4327 · Destroyed > During the aerial application flight the airplane struck and severed three power lines. The pilot stated he did not see the lines until it was too late. The airplane caught fire and continued on its flight path crossing a highway and a river. The airplane… - [NTSB ATL87DKG07](https://openairdocs.org/ntsb/ATL87DKG07.md): Grumman G-164A · Alamo, GA · Accident · Serious injuries · Final report · Sep 15, 1987 · N6590 · Destroyed > The acft was rprtd to be on an agricultural spraying assignment. The plt took off in the single seat acft with a passenger aboard. About 5 min after depg the arpt, the acft collided with trees & crashed after making an unscheduled low pass over an open field.… - [NTSB ATL87DEI08](https://openairdocs.org/ntsb/ATL87DEI08.md): Grumman G-164A · Bucyrus, OH · Accident · Minor injuries · Final report · Jul 9, 1987 · N7845 · Substantial damage > As the plt was apchg a field to spread fertilizer, the acft collided with a tree & crashed to the ground. The plt received a head injury & said he could not recall the acdnt. According to hospital records, he was suffering from pneumonia & had a 101 deg temp… - [NTSB MKC87LA050](https://openairdocs.org/ntsb/MKC87LA050.md): Grumman G-164A-600 · Hazen, AR · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 1987 · N5495 · Destroyed > The pilot stated that he had flown six loads of wheat seeds and was returning to a private airstrip for another load when he ran out of daylight while on final approach to a landing. During the time he was considering the option of a rejected landing and a… - [NTSB LAX87DVA02](https://openairdocs.org/ntsb/LAX87DVA02.md): Schweizer G-164A · Fresno, CA · Accident · No injuries · Final report · Nov 24, 1986 · N8741H · Substantial damage > The airplane collided with telephone lines while conducting an aerial application operation. The pilot reported that he was familiar with the area. He surveyed the field, in flight, before he commenced the spraying activities. The pilot did not report, nor… - [NTSB FTW85FPJ01](https://openairdocs.org/ntsb/FTW85FPJ01.md): Grumman AG CAT G-164 · Norman, OK · Accident · Serious injuries · Final report · Apr 1, 1985 · N5338 · Destroyed > The acft collided with a high static wire on an electric transmission line before colliding out of control with the ground. The plt stated after the accident that he forgot about the static line and flew into it during a maneuver for aerial spraying. - [NTSB LAX82DA271](https://openairdocs.org/ntsb/LAX82DA271.md): Grumman G-164A · Chandler, AZ · Accident · Minor injuries · Final report · Jul 21, 1982 · N6559 · Substantial damage > While spraying at night & during the fourth pass under power lines crossing the field, the acft contacted the wires. After the accident the flagger at the field informed the plt that the wind was causing the wires to whip up & down at times. - [NTSB FTW82DA257](https://openairdocs.org/ntsb/FTW82DA257.md): Grumman G-164A · Epps, LA · Accident · No injuries · Final report · Jul 1, 1982 · N6562 · Substantial damage > The pilot stated that while he was spraying crops, he looked into the cockpit during a turn to check the amount of solution that was remaining. He stated that when he looked up, he was too low to complete the turn and miss the trees. He went to full power and… - [NTSB MKC82DA093](https://openairdocs.org/ntsb/MKC82DA093.md): Grumman G-164A · Red Cloud, NE · Accident · Minor injuries · Final report · Jun 1, 1982 · N5253 · Destroyed > The aircraft struck the top wire of an electrical transmission line and crashed. The pilot reported that he misjudged the "wire distance" as he let down over a pond to begin a swath run. The pond was at the edge of the field that he was seeding. The pilot… ## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952704') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=3952704&occurrence=220 --- 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.