# NTSB LAX01LA132: Cessna 170B, N4315B, Lincoln, CA, March 31, 2001 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: March 31, 2001, 09:46 local (17:46 UTC) - Place: Lincoln, CA - Coordinates: 38.929363, -121.250572 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=38.9294&lon=-121.2506&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report November 28, 2001 - Report: Approved by Office Director - Parties: Federal Aviation Administration - NTSB case key (mKey): 51998 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX01LA132 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/51998/pdf - Page: https://openairdocs.org/ntsb/LAX01LA132 ## Probable cause The certified flight instructor's inadequate supervision of his dual student who used excessive braking on landing resulting in the airplane's nose over. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Nose over, landing - roll - brakes(normal) - improper use of, dual student (cause) - supervision - inadequate, pilot in command(cfi) (cause) ## Analysis As the airplane slowed on landing roll, the tail suddenly began to rise and the propeller struck the ground and the airplane nosed over. The flight instructor stated that he was sitting in the left seat and the dual student was sitting in the right seat. The accident occurred on a stop-and-go, which was being performed by the dual student. The approach and touchdown were normal. After touchdown, the flight instructor verified that the throttle was at idle and that the yoke was fully aft. ## Factual narrative On March 31, 2001, at 0946 hours Pacific standard time, a Cessna 170B, N4315B, sustained substantial damage when it nosed over during landing roll at Lincoln Airport, Lincoln, California. Visual meteorological conditions prevailed and no flight plan had been filed for the instructional flight, which originated from Lincoln Airport approximately 0815. The flight was operated under the provisions of 14 CFR Part 91 by a certified flight instructor who, along with his dual student, was not injured. The flight instructor stated that he was sitting in the left seat and the dual student was sitting in the right seat. The accident occurred on a stop-and-go which was being performed by the dual student. The approach and touchdown were normal. After touchdown, the flight instructor verified that the throttle was at idle and that the yoke was fully aft. The dual student gradually braked. As the airplane slowed, the tail suddenly began to rise and the propeller struck the ground and the airplane nosed over. ## Aircraft - Registration: [N4315B](https://openairdocs.org/aircraft/N4315B), registered now, S/N 26659, built 1955 (OpenAirDocs) - Reported make and model: Cessna 170B - Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs) - Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 26659 - Airframe hours: 2512 - Engines: Continental O-300-D 145 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: Martin Sparks - Airworthiness certificate: Standard, Normal - Last inspection: Annual, March 17, 2001, 10 hours before - Departed: LHM, LINCOLN - Destination: LHM, Lincoln, CA - Airport: LHM, Lincoln Airport, runway 15, 6,000 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 30; injuries: none; airline transport, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review February 6, 2001; seat: left; flight hours: 1,985 total, 380 in this make and model, 1,868 as pilot in command, 158 in the last 90 days, 30 in the last 30 days - Student pilot; age 23; injuries: none; seat: right; flight hours: 4 total, 4 in this make and model, 0 as pilot in command, 4 in the last 90 days, 4 in the last 30 days, 0 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 68 °F, dew point 48 °F - Altimeter: 30.00 inHg - Observed at: MYV, 15 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 20010331034149A](https://openairdocs.org/incident/20010331034149A), Mar 31, 2001: Cessna 170B, Lincoln, CA, Substantial damage. (.4) On March 31, 2001, at 0946 hours pacific standard time, a Cessna 170B, N4315B, sustained substantial damage when it nosed over during landing roll at… 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.