# NTSB FTW95LA361: Grumman G-164A, N9650, Holyoke, CO, August 28, 1995 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: August 28, 1995, 10:30 local (16:30 UTC) - Place: Holyoke, CO - Coordinates: 40.579593, -102.300445 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.5796&lon=-102.3004&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report March 21, 1996 - Report: Approved by Office Director - NTSB case key (mKey): 19554 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW95LA361 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/19554/pdf - Page: https://openairdocs.org/ntsb/FTW95LA361 ## Probable cause the pilot's failure to maintain terrain clearance. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with terrain/water, maneuvering - aerial application - altitude/clearance - not obtained/maintained, pilot in command (cause) - terrain condition - crop ## Analysis According to the pilot, he was flying across rows of a bean field. He was making his last pass when he descended over wires at the end of the field and had established level flight when the main gear impacted the ground. The airplane nosed over and came to rest in the inverted position. ## Factual narrative On August 28, 1995, at 1030 mountain daylight time, a Grumman G-164A, N9650, was substantially damaged while maneuvering near Holyoke, Colorado. The commercial pilot was not injured. The aircraft was being operated by Steggs Aerial Spraying, Inc., under Title 14 CFR Part 137 when the accident occurred. The flight originated from Holyoke at 1000 MDT. Visual meteorological conditions prevailed for the local aerial application flight. According to the pilot, he was flying "across-rows" of a bean field. He was making his last pass when he descended over some wires at the end of the field and had "established level flight" when the main gear impacted the ground. The airplane nosed over and came to rest in the inverted position. The powerplant was found separated from the airplane. ## Aircraft - Registration: [N9650](https://openairdocs.org/aircraft/N9650), registered now, S/N 1381 (OpenAirDocs) - Reported make and model: GRUMMAN G-164A - Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs) - Category: Airplane - Serial number: 1381 - Airframe hours: 4118 - Engines: P&W R-985-AN1 450 horsepower reciprocating - Damage: Substantial damage - Flight: Aerial application, Part 137 - Operator: Steggs Aerial Spraying, Inc. - Registered owner: Steggs Flying Service, Inc. - Airworthiness certificate: Special, Restricted (Special) - Last inspection: Annual, December 13, 1994, 170 hours before - Departed: 8V5 ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 21; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 705 total, 400 in this make and model, 705 as pilot in command, 200 in the last 90 days, 95 in the last 30 days, 6 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 140° at 7 knots - Visibility: 25 statute miles - Lowest ceiling: none - Temperature: 88 °F, dew point 57 °F - Altimeter: 30.00 inHg - Observed at: AKO, 45 nm away ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19950828049689A](https://openairdocs.org/incident/19950828049689A), Aug 28, 1995: Scwzer G164A, Holyoke, CO, Destroyed. (-16) The pilot stated that on the last pass he had run out of "manex" and felt the main landing gear hit the rows. He was going across the rows, so there was… ## Other investigations on N9650 (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB MIA90LA176](https://openairdocs.org/ntsb/MIA90LA176), Aug 24, 1990: Grumman 164-A (N9650), Dundee, MS, substantial damage. Probable cause: IMPROPER MAINTENANCE REPAIR BY AN UNKNOWN PERSON THAT INITIATED THE ENGINE FAILURE AND THE FORCED LANDING. From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- 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.