# NTSB CHI86LA160: Beech V35B, N18393, Mackinac Island, MI, June 21, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 21, 1986, 10:50 local (14:50 UTC)
- Place: Mackinac Island, MI
- Coordinates: 42.770374, -86.219451 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.7704&lon=-86.2195&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13477
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA160
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13477/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA160

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - airspeed - excessive, pilot in command (cause)
  - flare - inadequate, pilot in command (cause)
- Loss of control - on ground/water, landing - roll
  - recovery from bounced landing - improper, pilot in command (cause)
  - remedial action - delayed, pilot in command (cause)
- Complete gear collapsed, landing - roll
  - landing gear,nose gear - overload (contributing factor)
  - landing gear,main gear - overload (contributing factor)

## Analysis

AFTER MAKING TWO GO-AROUNDS THE AIRCRAFT'S LANDING GEAR COLLAPSED AS THE AIRCRAFT PORPOISED ON THE RUNWAY DURING THE THIRD LANDING ATTEMPT.

## Aircraft

- Registration: N18393 (not matched to a registry record)
- Reported make and model: BEECH V35B
- Category: Airplane
- Serial number: D-10054
- Airframe hours: 2300
- Engines: CONTINENTAL IO-520-BA 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Northstar Aviation
- Registered owner: John L. Clark
- Airworthiness certificate: Standard, Normal
- Departed: MILWAUKEE, WI
- Airport: Y84, Mackinal Island, runway 26, 3,510 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 21; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 860 total, 510 in this make and model, 700 as pilot in command, 85 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 11 knots
- Visibility: 15 statute miles
- Lowest ceiling: 25,000 ft overcast
- Altimeter: 30.00 inHg
- Observed at: PLN, 20 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 19860621026859A](https://openairdocs.org/incident/19860621026859A), Jun 21, 1986: Beech V35B, Mackinac Island, MI, Substantial damage. Aircraft porpoised on landing. Gear was retracted during bounce and plane slid to a stop. Suspect illegal activity.

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.
