# NTSB CHI02LA047: Dassault Falcon 100, N202DN, Lawrence, KS, December 9, 2001

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 9, 2001, 16:45 local (22:45 UTC)
- Place: Lawrence, KS
- Coordinates: 39.019985, -95.209701 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.0200&lon=-95.2097&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 15, 2002
- Report: Approved by Office Director
- Parties: Federal Aviation Administration
- NTSB case key (mKey): 53934
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI02LA047
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/53934/pdf
- Page: https://openairdocs.org/ntsb/CHI02LA047

## Probable cause

The copilot's failure to maintain aircraft control during the landing.  Factors relating to this accident were the copilot's improper in-flight decision not to execute a go-around, the copilot not performing a go-around, the inadequate crew coordination prior to landing between the pilot and copilot, and the improperly set stabilizer trim.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Hard landing, landing - flare/touchdown
  - aircraft control - not maintained, copilot/second pilot (cause)
  - go-around - not performed, copilot/second pilot (contributing factor)
  - in-flight planning/decision - improper, copilot/second pilot (contributing factor)
  - crew/group coordination - inadequate, flightcrew (contributing factor)
  - stabilator trim - improper (contributing factor)

## Analysis

The pilot said that the copilot was flying a visual approach to runway 15 at the Lawrence Municipal Airport, Lawrence, Kansas.  The pilot said, "With gear down and full flaps at approximately 15 to 20 feet above the runway and 115 KTS, the nose abruptly dropped and there was no elevator effectiveness with the yoke pulled back to the mechanical stop."  The pilot said, "After landing, I noticed that the stabilizer trim indicated full nose down in the cockpit and, upon exterior inspection, the stab was in that position."  The copilot said, "I made my turn to base and proceeded to make my turn to final.  No problems with the controllability were noted at this time.  The turn to final was made and the airplane was lined up with the runway on final approach with normal glide path.  My altitude was dropping normally and my airspeed was approx[imately] 140 knots."  The copilot said, "When it got time to pull the power back to idle for landing our airspeed was approx[imately] 110 knots and power was reduced.  At that point in time the nose of the aircraft seemed to pitch over towards the runway and increase speed.  I pulled back on the yoke to raise the nose and at that same instance the pilot recognized the pitch over and pulled back on the yoke at the same time.  The yoke did not seem to pull all of the way to its full extent of travel and felt to mechanically stop at about 3/4 the way travel.  Even with both pilot's pulling on the yoke it seemed unresponsive and failed to raise the nose back to a proper landing attitude.  The aircraft hit the runway very hard and came to a stop on the runway."  A preliminary inspection of the airplane showed the stabilizer positioned at 4 degrees nose down.  An examination of the airplane's systems revealed no anomalies.

## Factual narrative

On December 9, 2001, at 1645 central standard time, a Dassault Falcon 100, N202DN, piloted by a commercial pilot, sustained substantial damage during a hard landing on runway 15 (5,002 feet by 100 feet, dry/asphalt) at the Lawrence Municipal Airport (LWC), Lawrence, Kansas.  Visual meteorological conditions prevailed at the time of the accident.  The business flight was operating on an instrument flight rules flight plan under the provisions of 14 CFR Part 91.  The pilot and copilot reported no injuries.  The cross country flight originated at Madison, Mississippi, at 1535, and was en route to Lawrence, Kansas.

In his written statement, the pilot said that the copilot was flying a visual approach to runway 15 with the pilot backing him up in the left seat.  The pilot said, "With gear down and full flaps at approximately 15 to 20 feet above the runway and 115 KTS, the nose abruptly dropped and there was no elevator effectiveness with the yoke pulled back to the mechanical stop."  The pilot said, "After landing, I noticed that the stabilizer trim indicated full nose down in the cockpit and, upon exterior inspection, the stab was in that position."

In his written statement, the copilot said, "I made my turn to base and proceeded to make my turn to final.  No problems with the controllability were noted at this time.  The turn to final was made and the airplane was lined up with the runway on final approach with normal glide path.  My altitude was dropping normally and my airspeed was approx[imately] 140 knots."  The copilot said, "When it got time to pull the power back to idle for landing our airspeed was approx[imately] 110 knots and power was reduced.  At that point in time the nose of the aircraft seemed to pitch over towards the runway and increase speed.  I pulled back on the yoke to raise the nose and at that same instance the pilot recognized the pitch over and pulled back on the yoke at the same time.  The yoke did not seem to pull all of the way to its full extent of travel and felt to mechanically stop at about 3/4 the way travel.  Even with both pilot's pulling on the yoke it seemed unresponsive and failed to raise the nose back to a proper landing attitude.  The aircraft hit the runway very hard and came to a stop on the runway."

A Federal Aviation Administration inspector examined the airplane at the Lawrence Municipal Airport.  The left main landing gear strut was broken upward and had penetrated the top wing skin.  The leading edge of the left wing was broken loose.  The inboard portions of both wings showed skin wrinkles.  There were bends and buckles in the fuselage beginning at the wings trailing edges and running forward to the cabin door.  The stabilizer was positioned at 4 degrees nose down.  An inspection of the flight control system revealed no anomalies.  An examination of the engine, engine controls, and other airplane systems revealed no anomalies.  A conformity check of the autopilot and flight control system, conducted on January 9, 2002, revealed no anomalies.

## Aircraft

- Registration: [N202DN](https://openairdocs.org/deregistered/N202DN-2004-03-30), registration cancelled 2004-03-30, S/N 202, built 1984 (OpenAirDocs)
- Reported make and model: Dassault Aviation Falcon 100
- Registry model: [Dassault FALCON 100](https://openairdocs.org/model/dassault-falcon-100) (registry code 2730007) (OpenAirDocs)
- Registry engine: [Garrett TFE731 series](https://openairdocs.org/engine/garrett-tfe731-series) (registry code 29001, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 202
- Airframe hours: 5421.4
- Engines: Garrett TFE-731-2C-1C 3230 lbs thrust turbo jet; Garrett TFE-731-2C-1C 3230 lbs thrust turbo jet
- Damage: Substantial damage
- Flight: Executive/Corporate, Part 91
- Operator: David Nutt and Associates
- Registered owner: Air Del, Incorporated
- Airworthiness certificate: Standard, Normal
- Last inspection: Continuous airworthiness, August 29, 2001, 70.4 hours before
- Departed: MBO, Madison, MS
- Destination: LWC, Lawrence, KS
- Flight plan: IFR
- Airport: LWC, Lawrence Municipal Airport, runway 15, 5,002 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; injuries: none; commercial; airplane ratings: multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; last flight review August 2, 2001; seat: left; flight hours: 10,500 total, 1,200 in this make and model, 6,000 as pilot in command, 80 in the last 90 days, 30 in the last 30 days, 3 in the last 24 hours
- Co-pilot; age 38; injuries: none; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; last flight review December 13, 2000; seat: right; flight hours: 1,229 total, 22 in this make and model, 1,053 as pilot in command, 6 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 13 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 54 °F, dew point 21 °F
- Altimeter: 30.13 inHg
- Observed at: LWC, 1 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 20011209036789A](https://openairdocs.org/incident/20011209036789A), Dec 9, 2001: Lawrence, KS, No damage. (-23) Aircraft sustained substantial damage during a hard landing. Weather was clear with winds light and variable. Pilots stated that the aircraft was on a…

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.

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