# NTSB CHI87LA020: Cessna 310R, N6096C, Belvidere, IL, November 8, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 8, 1986, 07:30 local (13:30 UTC)
- Place: Belvidere, IL
- Coordinates: 42.249317, -88.84095 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.2493&lon=-88.8410&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13688
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87LA020
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13688/pdf
- Page: https://openairdocs.org/ntsb/CHI87LA020

## Sequence of events

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

- Airframe/component/system failure/malfunction, takeoff
  - door - open (contributing factor)
- Loss of control - in flight, landing - flare/touchdown
  - weather condition - crosswind (contributing factor)
  - weather condition - gusts (contributing factor)
  - compensation for wind conditions - poor, dual student (cause)
  - diverted attention, pilot in command(cfi) (contributing factor)
- Dragged wing,rotor,pod,float or tail/skid, landing - flare/touchdown
  - directional control - not maintained, dual student (cause)
  - diverted attention, dual student (contributing factor)
  - remedial action - not performed, pilot in command(cfi) (cause)

## Analysis

DURING TAKEOFF ROLL, THE ACFT DOOR POPPED OPEN AT A POINT TOO LATE TO ABORT THE TAKEOFF. THE PIC TRIED TO HOLD THE DOOR CLOSED WHILE THE SECOND PLT FLEW THE ACFT AROUND THE TRAFFIC PATTERN. JUST PRIOR TO TOUCHDOWN, THE DOOR OPENED WIDER AND THE PIC REACHED TO TRY TO CLOSE IT. THE ACFT ROLLED TO THE RIGHT HITTING THE RWY WITH THE RIGHT MAIN FUEL TANK AND PROPELLER. WINDS WERE REPORTED FROM 220 DEGS AT 15 KTS GUSTING TO 25 KTS.

## Aircraft

- Registration: [N6096C](https://openairdocs.org/deregistered/N6096C-2015-05-15), registration cancelled 2015-05-15, S/N 310R1263, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA 310R
- Registry model: [Cessna 310R](https://openairdocs.org/model/cessna-310r) (registry code 2074245) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 310R1263
- Airframe hours: 2808
- Engines: CONTINENTAL IO-520-M 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Mst Aviation
- Registered owner: Richard Glaser
- Airworthiness certificate: Standard, Normal
- Flight plan: IFR
- Airport: C77, Belvidere Ltd, runway 30, 3,877 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; flight instructor, airline transport; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 8,600 total, 265 in this make and model, 8,200 as pilot in command, 182 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 15 knots, gusting 25
- Visibility: 15 statute miles
- Lowest ceiling: 25,000 ft overcast
- Temperature: 46 °F, dew point 27 °F
- Altimeter: 29.00 inHg
- Observed at: RFD, 14 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 19861108054079A](https://openairdocs.org/incident/19861108054079A), Nov 8, 1986: Cessna 310R, Belvidere, IL, Substantial damage. The entry door opened on takeoff. The wing tip hit the ground on landing. Instructor was trying to hold door closed

## Other investigations on N6096C (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 WPR13LA238](https://openairdocs.org/ntsb/WPR13LA238), May 8, 2013: Cessna 310R (N6096C), Bakersfield, CA, substantial damage. Probable cause: The failure of the right main landing gear link assembly, which resulted in the right main landing gear collapsing during landing.

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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