# NTSB DEN85LA206: Piper PA-22, N5430Z, Boulder, CO, July 30, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 30, 1985, 11:45 local (17:45 UTC)
- Place: Boulder, CO
- Coordinates: 40.040882, -105.36985 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0409&lon=-105.3698&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16737
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN85LA206
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16737/pdf
- Page: https://openairdocs.org/ntsb/DEN85LA206

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, approach - vfr pattern - downwind
  - fuel system,carburetor - worn (cause)
  - maintenance,annual inspection - poor, other maintenance personnel (contributing factor)
  - carburetor heat control,linkage - separation (cause)
- Forced landing, descent - emergency
- On ground/water collision with object, landing - roll
  - object - fence (cause)

## Analysis

ACCORDING TO THE PLT, HE WAS APPROACHING THE BOULDER MUNICIPAL ARPT, BOULDER, COLORADO, FOR A VFR LANDING WHEN HIS ENGINE FAILED TO DEVELOP SUFFICIENT POWER TO SUSTAIN FLIGHT. A FORCED LANDING WAS MADE TO A FARMER'S FIELD. THE ACFT SUSTAINED SUBSTANTIAL DAMAGE, HOWEVER, THERE WERE NO INJURIES TO THE OCCUPANTS OF THE ACFT.

## Aircraft

- Registration: [N5430Z](https://openairdocs.org/deregistered/N5430Z-1989-04-14), registration cancelled 1989-04-14, S/N 229203 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-9203
- Airframe hours: 3729
- Engines: LYCOMING O-320-A1A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Adam N. Schneider
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 8, 1985, 54 hours before
- Departed: 1V5, BOULDER, CO
- Airport: 1V5, Boulder, runway 00, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 1,119 total, 215 in this make and model, 1,018 as pilot in command, 63 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 82 °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 19850730038199A](https://openairdocs.org/incident/19850730038199A), Jul 30, 1985: Piper PA22108, Boulder, CO, Substantial damage. Struck a fence, flipped over during forced landing after power loss. Carburetor had worn out parts. Mechanic pilot.

## Other investigations on N5430Z (1)

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.

- [NTSB CHI66F0398](https://openairdocs.org/ntsb/CHI66F0398), Nov 2, 1965: Piper PA-22 (N5430Z), Shelbyville, IL, substantial damage

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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