# NTSB CHI88DEM07: Silliman Hatz CB-1, N24DS, Battlecreek, MI, July 16, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 16, 1988, 10:00 local (14:00 UTC)
- Place: Battlecreek, MI
- Coordinates: 42.289169, -85.220352 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.2892&lon=-85.2204&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 8, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 13869
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88DEM07
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13869/pdf
- Page: https://openairdocs.org/ntsb/CHI88DEM07

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - fuel system,vent - distorted (cause)
  - fluid,fuel - starvation (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, descent - emergency
  - emergency procedure - improper, pilot in command (contributing factor)
  - altitude - misjudged, pilot in command (contributing factor)
  - object - tree(s) (contributing factor)

## Analysis

WHILE ATTEMPTING TO EXECUTE A FORCED LANDING DUE TO AN ENGINE FAILURE, THE PILOT MISJUDGED HIS EMERGENCY PROCEDURE AND COLLIDED WITH TREES THEN THE GND DURING THE DESCENT TO THE FAIRWAY HE HAD SELECTED FOR LANDING. THE ENGINE FAILURE WAS DUE TO FUEL STARVATION CAUSED BY A FUEL VENT LINE WHICH WAS CRIMPED CLOSED.

## Aircraft

- Registration: [N24DS](https://openairdocs.org/deregistered/N24DS-1989-09-25), registration cancelled 1989-09-25, S/N 126 (OpenAirDocs)
- Reported make and model: SILLIMAN HATZ CB-1
- Registry model: [Silliman Daniel B HATZ CB-1](https://openairdocs.org/model/silliman-daniel-b-hatz-cb-1) (registry code 05655RG) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 126
- Airframe hours: 68
- Engines: LYCOMING O-320-B2B 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Amundson, John D.
- Registered owner: Amundson John D.
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, July 13, 1988, 1 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; flight instructor, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: rear; flight hours: 7,500 total, 40 in this make and model, 6,300 as pilot in command, 90 in the last 90 days, 30 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 22° at 8 knots
- Visibility: 8 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point 73 °F
- Altimeter: 29.00 inHg
- Observed at: BTL, 3 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 19880716026749A](https://openairdocs.org/incident/19880716026749A), Jul 16, 1988: Amtr HARTZCB1, Battle Creek, MI, Substantial damage. Engine quit on a local flight struck trees landing on a golf course. Fuel tank plastic vent line was crimped shut.

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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