# NTSB CHI86LA222: Cessna 310G, N8996Z, Ypsilanti, MI, September 14, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 14, 1986, 13:00 local (17:00 UTC)
- Place: Ypsilanti, MI
- Coordinates: 42.239524, -83.619209 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.2395&lon=-83.6192&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13522
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA222
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13522/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA222

## Sequence of events

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

- Main gear collapsed, landing - roll
  - landing gear - failure,partial (cause)
  - reason for occurrence undetermined (cause)

## Analysis

THE LEFT MAIN GEAR COLLAPSED AND THE ACFT VEERED OFF THE LEFT SIDE OF THE RUNWAY DURING THE LANDING ROLL AT AN GROUNDSPEED OF APRX 30 KTS. INSPECTION OF THE LANDING GEAR DISCLOSED A BENT PUSH PULL TUBE.

## Aircraft

- Registration: [N8996Z](https://openairdocs.org/deregistered/N8996Z-2000-08-24), registration cancelled 2000-08-24, S/N 310G0096 (OpenAirDocs)
- Reported make and model: CESSNA 310G
- Registry model: [Cessna 310G](https://openairdocs.org/model/cessna-310g) (registry code 2074218) (OpenAirDocs)
- Category: Airplane
- Serial number: 310G0096
- Airframe hours: 5341
- Engines: CONTINENTAL IO-470-D 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: 470 Corporation
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 26, 1986, 30 hours before
- Departed: 7D2, TROY, MI
- Destination: YIP, YPSILANTI, MI
- Airport: YIP, Willow Run, runway 9L, 7,294 × 160 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; commercial; airplane ratings: multi-engine land; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 545 total, 31 in this make and model, 494 as pilot in command, 36 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 3 knots
- Visibility: 25 statute miles
- Lowest ceiling: 6,500 ft broken
- Temperature: -0 °F, dew point -0 °F
- Altimeter: 30.00 inHg
- Observed at: DET, 9 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 19860914045559A](https://openairdocs.org/incident/19860914045559A), Sep 14, 1986: Cessna 310G, Ypsilanti, MI, Substantial damage. The left main landing gear collapsed on landing rollout. Push pull tube found bent.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.