# NTSB ATL99LA106: Cessna A188B, N731VR, Panther Burn, MS, July 13, 1999 - Type: NTSB accident investigation - Classification: Accident · Serious injuries · Limited investigation · Final report - Date: July 13, 1999, 07:18 local (12:18 UTC) - Place: Panther Burn, MS - Coordinates: 33.060379, -90.869613 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.0604&lon=-90.8696&mi=10 - Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping) - Highest injury: Serious injuries - Injuries: 1 serious - Status: Completed, report March 2, 2001 - Report: Approved by Office Director - NTSB case key (mKey): 46816 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL99LA106 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/46816/pdf - Page: https://openairdocs.org/ntsb/ATL99LA106 ## Probable cause The pilot's failure to maintain clearance that resulted in the in-flight collision with trees. A factor was his diverted attention following the failure of the DGPS. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with object, maneuvering - aerial application - comm/nav equipment,global positioning system (gps) - failure,total (contributing factor) - diverted attention, pilot in command (contributing factor) - clearance - not maintained, pilot in command (cause) - object - tree(s) (contributing factor) - In flight collision with terrain/water, maneuvering - aerial application - terrain condition - crop ## Analysis The pilot departed the airstrip with a load of 57 gallons of Fyfanon, a chemical used to spray boll weevils. After performing a series of spray runs, the airplane veered off course, collided with a tree line, then impacted the ground and burned. A review of the airplane's maintenance records disclosed that the Differential Global Position System (DGPS) installed on the airplane had been serviced twice during the week leading to the accident. The DGPS is installed on a shelf behind the pilot's seat near where the shoulder harness is attached, and was required to be operational for use during the flight under the conditions of the spraying contract. According to stored information downloaded from the DGPS, the lock on the DGPS was lost shortly after the pilot had completed a right turn on the southeast side of the field. The airplane was located one and a half miles northwest of where the last DGPS signal was received. ## Factual narrative On July 13, 1999, at 0718 central daylight time, a Cessna A188B, N731VR, collided with trees and the ground following an aerial application maneuver in Panther Burn, Mississippi. The airplane was operated by the commercial pilot under the provisions of Title 14 CFR Part 137, and visual flight rules. Visual meteorological conditions prevailed and no flight plan was filed for the local agricultural application flight. The pilot received serious injuries, and the airplane sustained substantial damage. The flight originated from a private airstrip in Anguilla, Mississippi, at 0650. According to the pilot, he departed the airstrip with a load of 57 gallons of Fyfanon, a chemical used to spray boll weevils. After performing a series of spray runs, the airplane veered off course, collided with a tree line, then impacted the ground and burned. According to the pilot, he did "not recall" anything with regard to the events leading up to and subsequent to the accident. Following the accident, an FAA inspector and an engineer from the Cessna Aircraft Company attended the accident scene. The airplane was found approximately one and a half miles northwest of the field the pilot was spraying. The airplane traveled on an easterly heading through a line of trees running north to south located 30 feet from the initial ground scar. The fuselage and part of the left wing were found approximately 100 feet east of the tree line. The left wingtip, a portion of the left wing and the left landing gear were found west of the tree line. The right wing was found in the tree line, and the right landing gear was located east of the tree line. The engine was located 75 feet south east of the main wreckage. One of the propeller blades was found partially embedded in a tree, and the second propeller blade was not located. The right wing and fuselage from the instrument panel forward sustained fire damage following a post-impact fire. An examination of the engine was performed. Fuel was present in the fuel manifold. The spark plugs were removed and appeared normal. One of the magnetos was removed and produced spark when rotated by hand. The engine's crankshaft was unable to be rotated. A large section of a tree was found on the engine's left side between cylinders and the push rod housings. A review of the airplane's maintenance records disclosed that the Differential Global Position System (DGPS) installed on the airplane had been serviced on two separate occasions (July 7 and July 12) during the week leading to the accident. The DGPS is installed on a shelf behind the pilot's seat near the shoulder harness attachment point, and was required to be operational for use during the flight under the conditions of the spraying contract. According to stored information downloaded from the airplane's DGPS, the lock on the DGPS was lost shortly after the pilot had completed a right 180-degree turn along the southeast side of the field the pilot had sprayed (see attached map of downloaded DGPS flight track). ## Aircraft - Registration: [N731VR](https://openairdocs.org/deregistered/N731VR-2005-03-17), registration cancelled 2005-03-17, S/N 18803194T, built 1978 (OpenAirDocs) - Reported make and model: Cessna A188B - Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs) - Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18803194T - Airframe hours: 5970 - Engines: Continental IO-520 285 horsepower reciprocating - Damage: Substantial damage - Fire: On-Ground - Flight: Aerial application, Part 137 - Operator: Michael A. Johnson - Registered owner: Gregory Flying Service Inc. - Airworthiness certificate: Special, Restricted (Special) - Last inspection: Annual, February 1, 1999, 250 hours before - Departed: PVT, ANGUILLA, MS - Destination: PVT, MS ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 20; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 1,000 total, 300 in this make and model, 900 as pilot in command, 250 in the last 90 days, 75 in the last 30 days, 8 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 5 statute miles - Lowest ceiling: none - Temperature: 84 °F - Altimeter: 30.00 inHg ## 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 19990713009009A](https://openairdocs.org/incident/19990713009009A), Jul 13, 1999: Cessna A188B, Panther Burn, MS, Substantial damage. Acft struck trees during aerial application, crashed, and burned, other circumstances are unknown. (.19) on July 13, 1999, at 0815 eastern daylight time, a… ## Other investigations on N731VR (2) 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 MIA97LA228](https://openairdocs.org/ntsb/MIA97LA228), Aug 5, 1997: Cessna A188B (N731VR), Cadaretta, MS, substantial damage. Probable cause: a hard landing resulting in the airplane departing the runway and impacting with a tree. - [NTSB CHI85LA191](https://openairdocs.org/ntsb/CHI85LA191), May 8, 1985: Cessna A188B (N731VR), Virden, IL, destroyed 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.