# NTSB MIA95LA182: Schweizer G-164B, N76LS, Goodman, MS, July 13, 1995 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 13, 1995, 08:15 local (13:15 UTC) - Place: Goodman, MS - Coordinates: 32.959087, -89.909278 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=32.9591&lon=-89.9093&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report November 30, 1995 - Report: Approved by Office Director - NTSB case key (mKey): 37800 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA95LA182 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/37800/pdf - Page: https://openairdocs.org/ntsb/MIA95LA182 ## Probable cause THE PILOT'S FAILURE TO MAINTAIN FLYING AIRSPEED WHICH RESULTED IN AN AERODYNAMIC STALL. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of control - in flight, approach - vfr pattern - final approach - airspeed - not maintained, pilot in command (cause) - stall - inadvertent, pilot in command - In flight collision with terrain/water, descent - uncontrolled - terrain condition - ground ## Analysis THE PILOT STATED THAT WHILE ON A STRAIGHT-IN FINAL APPROACH TO LAND AT ABOUT 200 FEET ABOVE GROUND LEVEL, HE PUSHED THE PROPELLER CONTROL FORWARD AND REDUCED THE THROTTLE CONTROL. THE AIRPLANE THEN PITCHED NOSE DOWN AND HE APPLIED AFT ELEVATOR CONTROL INPUT WITH NO EFFECT. THE AIRPLANE IMPACTED THE GROUND IN ABOUT A 40-DEGREE NOSE LOW ATTITUDE AND NOSED OVER. THE PROPELLER AND PROPELLER GOVERNOR WERE EXAMINED AND BENCH TESTED RESPECTIVELY WITH NO EVIDENCE OF PRE-IMPACT FAILURE OR MALFUNCTION. ## Factual narrative On July 13, 1995, about 0815 central daylight time, a Schweizer Aircraft Corp., G-164B, N76LS, crashed while landing at a private airstrip near Goodman, Mississippi. Visual meteorological conditions prevailed at the time and no flight plan was filed for the 14 CFR Part 137 aerial application flight. The airplane was substantially damaged and the commercial-rated pilot, the sole occupant, was not injured. The flight originated about 0730 from the accident airstrip. The pilot stated that while on a straight-in final approach to land at 200 feet above ground level, he pushed the propeller control in the cockpit forward and reduced the throttle control. The airplane then pitched nose down and he pulled aft on the control stick with no effect. The airplane impacted the ground in about a 40-degree nose down attitude then nosed over. The propeller and propeller governor were removed for further examination. The propeller governor was placed on a test bench and found to operate normally. Examination of the propeller revealed that the low pitch stop was correctly set at 10 degrees and the high pitch stop was set about 13 degrees less than specified (35 degrees). The propeller blade angle of the least and greater damaged blades was determined to be about 25 degrees and 40 degrees respectively. The two each pitch stop and two each fixed cam locating dowels were found to be failed and only one of the failed fixed cam dowels was located. Examination of the fracture surfaces of the failed dowels revealed evidence of overload failure. ## Aircraft - Registration: [N76LS](https://openairdocs.org/deregistered/N76LS-2011-08-09), registration cancelled 2011-08-09, S/N 783B (OpenAirDocs) - Reported make and model: SCHWEIZER G-164B - Registry model: [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b) (registry code 8059055) (OpenAirDocs) - Category: Airplane - Serial number: 783B - Airframe hours: 4000 - Engines: P&W R-985 450 horsepower reciprocating - Damage: Substantial damage - Flight: Aerial application, Part 137 - Operator: Seneasha Air Service, Inc. - Registered owner: Robert E. Garrett - Airworthiness certificate: Special, Restricted (Special) - Last inspection: Annual, March 1, 1995, 150 hours before - Departed: MS ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 27; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 2,700 total, 2,000 in this make and model, 2,500 as pilot in command, 300 in the last 90 days, 150 in the last 30 days, 8 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 3 statute miles - Lowest ceiling: none - Temperature: 88 °F, dew point 75 °F - Altimeter: 30.00 inHg - Observed at: GWO, 32 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 19950713026549A](https://openairdocs.org/incident/19950713026549A), Jul 13, 1995: Scwzer G164B, Goodman, MS, Substantial damage. Pitched nose down and crashed on reducing power to land. Prop pitch stop cam locating dowel failed from overload. 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.