# NTSB ATL98LA101: Waco WMF, N723SR, Chamblee, GA, August 6, 1998 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: August 6, 1998, 07:50 local (11:50 UTC) - Place: Chamblee, GA - Coordinates: 33.780353, -84.379905 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.7804&lon=-84.3799&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report February 15, 2001 - Report: Approved by Office Director - NTSB case key (mKey): 43624 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL98LA101 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/43624/pdf - Page: https://openairdocs.org/ntsb/ATL98LA101 ## Probable cause The pilot's excessive taxi speed and excessive braking action that resulted in a nose over. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Nose over, taxi - from landing - taxispeed - excessive, pilot in command (cause) - brakes(normal) - excessive, pilot in command (cause) ## Analysis The pilot had completed a series of touch and go landings, and was exiting the runway when the airplane nosed over. During an interview with the Federal Aviation Administration Aviation Safety Inspector, the pilot reported that he may have been moving too fast, and he may have applied heavy braking as he attempted to taxi off of the runway. The pilot stated that all aircraft systems operated normally, and he had not experienced a mechanical problem with the airplane. ## Factual narrative On August 6, 1998, at 0750 eastern daylight time, a Waco WMF, N723SR, nosed over , according to the pilot, following a landing on runway 2L at the Dekalb-Peachtree Airport in Chamblee, Georgia. The personal flight operated under the provisions of Title 14 CFR Part 91 with no flight plan filed. A review of weather data from the nearest weather facility disclosed that visual weather conditions prevailed at the time of the accident. The airplane sustained substantial damage. The private rated pilot and the pilot/passenger were not injured. The flight departed Atlanta, Georgia, at 0700. The pilot reported that they had completed a series of touch and go landings, and they were exiting the runway when the airplane nosed over. During an interview with the Federal Aviation Administration Aviation Safety Inspector, the pilot reported that he may have been moving too fast, and he may have applied heavy braking is he attempted to taxi off of the runway. The pilot stated that all aircraft systems operated normally, and he had not experienced a mechanical problem with the airplane. ## Aircraft - Registration: [N723SR](https://openairdocs.org/aircraft/N723SR), registered now, S/N F5C-070, built 1996 (OpenAirDocs) - Reported make and model: Waco WMF - Registry model: [Classic WACO YMF](https://openairdocs.org/model/classic-waco-ymf) (registry code 2240101) (OpenAirDocs) - Registry engine: [Jacobs R755B series](https://openairdocs.org/engine/jacobs-r755b-series) (registry code 35007, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: F5C070 - Airframe hours: 136 - Engines: Jacobs R-755-B2 275 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Stephen E. Raville - Registered owner: Pdk Ventures Inc - Airworthiness certificate: Standard, Normal - Last inspection: Annual, February 24, 1998, 7 hours before - Departed: PDK - Airport: PDK, Dekalb Peachtree Airport, runway 2L, 4,000 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 51; private; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: rear; flight hours: 2,634 total, 95 in this make and model, 2,263 as pilot in command, 91 in the last 90 days, 28 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 7 statute miles - Lowest ceiling: none - Temperature: 70 °F, dew point 59 °F - Altimeter: 30.00 inHg - Observed at: PDK, 360 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 19980806019859A](https://openairdocs.org/incident/19980806019859A), Aug 6, 1998: Waco YMF, Atlanta, GA, Substantial damage. Acft was taxiing after landing, was turning off the rwy and flipped over. (-23) on August 6, 1998 at approximately 0800 am local time, this inspector was… ## Other investigations on N723SR (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 NYC04CA190](https://openairdocs.org/ntsb/NYC04CA190), Aug 9, 2004: Classic Waco YMF (N723SR), Bar Harbor, ME, substantial damage. Probable cause: The pilot's inadequate compensation for wind conditions. A factor was the crosswind. - [NTSB ATL97LA017](https://openairdocs.org/ntsb/ATL97LA017), Oct 24, 1996: Waco YMF5 (N723SR), Punta Gorda, FL, substantial damage. Probable cause: the pilot's improper flare during touchdown. 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.