# NTSB CHI87DEE03: Quicksilver MX II, N4481P, Aurora, IL, November 5, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: November 5, 1986, 13:30 local (19:30 UTC)
- Place: Aurora, IL
- Coordinates: 41.759532, -88.289421 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.7595&lon=-88.2894&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87DEE03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13552/pdf
- Page: https://openairdocs.org/ntsb/CHI87DEE03

## Sequence of events

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

- Loss of control - in flight, landing - flare/touchdown
  - flare - excessive, pilot in command (cause)
  - judgment - poor, pilot in command
  - stall - inadvertent, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT WAS MAKING A PRECAUTIONARY LANDING IN THE ULTRALIGHT, WHEN DURING THE LANDING FLARE HE STALLED THE AIRCRAFT AND SUBSEQUENTLY COLLIDED WITH THE TERRAIN.

## Aircraft

- Registration: N4481P (not matched to a registry record)
- Reported make and model: QUICKSILVER MX II
- Category: Airplane, amateur-built
- Serial number: 1417
- Airframe hours: 250
- Engines: Bombardier ROTAX 54 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: John J. Lytle
- Registered owner: Ken Johannessen
- Airworthiness certificate: Special, Experimental (Special)
- Airport: 07, Wheatland Field, runway 36, 2,000 × 150 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: right; flight hours: 700 total, 30 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 5 knots
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 61 °F

## 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 19861105054059A](https://openairdocs.org/incident/19861105054059A), Nov 5, 1986: Amtr MX2, Aurora, IL, Substantial damage. The ultralight aircraft stalled during a precautionary landing and was substantially damaged.

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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