# NTSB MKC90LA131: Eugene M. Veras Polliwagon 150, N21EV, St. Charles, MO, June 16, 1990

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 16, 1990, 10:30 local (15:30 UTC)
- Place: St. Charles, MO
- Coordinates: 38.789962, -90.509658 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7900&lon=-90.5097&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 35001
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC90LA131
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35001/pdf
- Page: https://openairdocs.org/ntsb/MKC90LA131

## Probable cause

THE FLIGHT CONTROL SYSTEM-STICK WAS LOOSE RESULTING IN AN STALL.

## Sequence of events

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

- Altitude deviation,uncontrolled, landing - roll
  - flt control syst,yoke/control stick - loose (cause)
  - flt control syst,stabilator contl attach points - improper (contributing factor)
  - aircraft control - not possible, pilot in command
- In flight collision with terrain/water, descent - uncontrolled
  - stall - inadvertent, pilot in command

## Analysis

THE COMMERCIAL PLT, MAKING HIS HOMEBUILT ACFT'S FIRST FLIGHT, SAID THAT IMMEDIATELY AFTER TAKEOFF, HE EXPERIENCED PITCH PROBLEMS. HE MADE THREE CIRCUITS OF THE AIRPORT ATTEMPTING TO STABILIZE THE ACFT, THEN ATTEMPTED TO LAND. AFTER TOUCHING DOWN ON ALL THREE WHEELS, THE ACFT PITCHED UP, TO ABOUT 8 FEET AGL, THEN STALLED AND COLLIDED WITH THE TERRAIN. POST ACCIDENT INVESTIGATION REVEALED EXCESSIVE, LOOSE PLAY IN THE CONTROL MIXER AND THE POSSIBILITY OF AN IMPROPERLY LOCATED STABILIZER HINGE ASSEMBLY.

## Aircraft

- Registration: [N21EV](https://openairdocs.org/deregistered/N21EV-1991-05-14), registration cancelled 1991-05-14, S/N 1085 (OpenAirDocs)
- Reported make and model: EUGENE M. VERAS POLLIWAGON 150 (POLLIWAGON)
- Registry model: [Veras Eugene M POLLIWAGEN 150](https://openairdocs.org/model/veras-eugene-m-polliwagen-150) (registry code 05616EJ) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 1085
- Airframe hours: 1
- Engines: LYCOMING O-320-E2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Veras, Eugene M.
- Registered owner: Veras, Eugene M
- Airworthiness certificate: Special, Experimental (Special)
- Airport: 3SZ, St. Charles Co, runway 18, 3,800 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 69; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 563 total, 1 in this make and model, 485 as pilot in command, 4 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point -0 °F

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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