# NTSB CHI92LA123: Piper PA-38-112, N6350A, Brookfield, WI, April 5, 1992

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 5, 1992, 12:20 local (17:20 UTC)
- Place: Brookfield, WI
- Coordinates: 43.060466, -88.109062 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0605&lon=-88.1091&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report March 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15421
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI92LA123
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15421/pdf
- Page: https://openairdocs.org/ntsb/CHI92LA123

## Probable cause

FAILURE OF THE PILOT (CFI) TO ATTAIN THE PROPER TOUCHDOWN POINT FOR LANDING.  FACTORS RELATED TO THE ACCIDENT WERE: THE UNFAVORABLE WIND CONDITION, THE EXCESSIVE DESCENT RATE THAT DEVELOPED ON FINAL APPROACH, AND THE CFI'S DELAY IN TAKING REMEDIAL ACTION TO CORRECT THE SITUATION.

## Sequence of events

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

- Undershoot, approach - vfr pattern - final approach
  - weather condition - unfavorable wind (contributing factor)
  - descent - excessive, pilot in command(cfi) (contributing factor)
  - proper touchdown point - not attained, pilot in command(cfi) (cause)
  - remedial action - delayed, pilot in command(cfi) (contributing factor)
  - lack of total experience in type operation, pilot in command(cfi)
- In flight collision with terrain/water, landing
  - terrain condition - rising (contributing factor)
- Nose over, landing

## Analysis

THE INSTRUCTOR (CFI) AND STUDENT PLT WERE PRACTICING PATTERN WORK.  THE CFI TOOK CONTROL OF THE ACFT TO DEMONSTRATE A SHORT FIELD LANDING.  HE RPRTD THAT JUST BEFORE REACHING THE RWY THRESHOLD, AN EXCESSIVE SINK RATE DEVELOPED FROM WHAT HE BELIEVED WAS A DOWN BURST.  HE INITIATED A GO-AROUND, BUT THE ACFT TOUCHED DOWN ON A GRAVEL EMBANKMENT BEFORE REACHING THE PAVED RWY.  SUBSEQUENTLY, THE NOSE GEAR BROKE OFF & THE ACFT NOSED OVER.  THE CFI HAD A TOTAL FLT TIME OF ABOUT 430 HRS.

## Aircraft

- Registration: [N6350A](https://openairdocs.org/deregistered/N6350A-1994-07-07), registration cancelled 1994-07-07, S/N 3878A0393 (OpenAirDocs)
- Reported make and model: PIPER PA-38-112
- Registry model: [Piper PA-38-112](https://openairdocs.org/model/piper-pa-38-112) (registry code 7103812) (OpenAirDocs)
- Category: Airplane
- Serial number: 38-78A0393
- Airframe hours: 2982
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Brookfield Pilot Service
- Registered owner: Brookfield Pilot Service
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, January 24, 1992, 48 hours before
- Airport: 02C, Capitol Airport, runway 21, 3,555 × 45 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 430 total, 22 in this make and model, 323 as pilot in command, 57 in the last 90 days, 31 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 4 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 48 °F, dew point 28 °F
- Altimeter: 30.00 inHg
- Observed at: UES, 5 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 19920405008899A](https://openairdocs.org/incident/19920405008899A), Apr 5, 1992: Piper PA38112, Brookfield, WI, Substantial damage. CFI was demostrating short field landing. High sink rate unchecked on final resulted landing short of runway.

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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