# NTSB CHI85LA038: Cessna 310C, N6709T, Grayslake, IL, November 3, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 3, 1984, 13:00 local (19:00 UTC)
- Place: Grayslake, IL
- Coordinates: 42.339282, -88.029075 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.3393&lon=-88.0291&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12948
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA038
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12948/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA038

## Sequence of events

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

- In flight collision with terrain/water, landing - roll
  - weather condition - crosswind (contributing factor)
  - gear extension - not performed, pilot in command (cause)
  - terrain condition - runway

## Analysis

THE PLT REPORTED THAT THE LANDING WAS NORMAL BUT THE ACFT SETTLED TO THE RWY WITH THE GEAR UP WHILE THE SELECTOR WAS IN THE DOWN POSITION. POST ACCIDENT EXAMINATION FAILED TO REVEAL ANY MALFUNCTION OF THE RETRACTION/EXTENSION ASSEMBLY.

## Aircraft

- Registration: [N6709T](https://openairdocs.org/deregistered/N6709T-2013-05-22), registration cancelled 2013-05-22, S/N 39009, built 1959 (OpenAirDocs)
- Reported make and model: CESSNA 310C
- Registry model: [Cessna 310C](https://openairdocs.org/model/cessna-310c) (registry code 2074210) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 39009
- Engines: CONTINENTAL IO-470-D 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Harold W. Stromsen, doing business as Thermal Engineered Products
- Registered owner: Harold W. Stromsen
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 21, 1984, 7 hours before
- Departed: C81, GRAYSLAKE, IL
- Airport: C81, Campbell, runway 24, 2,700 × 40 ft, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 60; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 6,000 total, 518 in this make and model, 6,000 as pilot in command, 36 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 13 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 41 °F, dew point 27 °F
- Altimeter: 30.00 inHg
- Observed at: ORD, 22 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 19841103062489A](https://openairdocs.org/incident/19841103062489A), Nov 3, 1984: Cessna 310C, Grayslake, IL, Substantial damage. Failed to extend landing gear prior to touchdown. Landed gear up. In post accident test, gear worked normally.

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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