# NTSB MIA86LA120: Cessna T303, N212ER, Bunnell, FL, April 14, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 14, 1986, 09:30 local (14:30 UTC)
- Place: Bunnell, FL
- Location: 29.4661° N, 81.2578° W: Placed by OpenAirDocs: center of Bunnell, FL, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4661&lon=-81.2578&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31600
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA86LA120
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31600/pdf
- Page: https://openairdocs.org/ntsb/MIA86LA120

## Sequence of events

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

- Airframe/component/system failure/malfunction, taxi - to takeoff
  - landing gear,normal brake system - failure,partial (cause)
  - fluid,hydraulic - exhaustion (cause)
  - maintenance,design change - inadequate, manufacturer (cause)
- On ground/water encounter with terrain/water, taxi
  - terrain condition - ditch (contributing factor)

## Analysis

WHILE ON A DUAL INSTRUCTIONAL FLIGHT BOTH INSTRUCTOR AND THE STUDENT PILOT NOTED A LEFT BRAKE FAILURE ON TAXI TO TAKEOFF. THE INSTRUCTOR ATTEMPTED TO UTILIZE ASYMMETRIC POWER TO STEER THE AIRCRAFT BUT COULD NOT CONTROL THE TURN. THE AIRCRAFT RAN OFF THE EDGE OF THE TAXIWAY AND WENT INTO A DITCH. THE LEFT BRAKE MASTER CYLINDER WAS FOUND EMPTY OF HYDRAULIC FLUID AFTER THE ACCIDENT. THE 'O' RING IN THE MASTER CYLINDER HAD FAILED AND ALLOWED THE FLUID TO ESCAPE TO THE RIGHT BRAKE SYSTEM.

## Aircraft

- Registration: N212ER (not matched to a registry record)
- Reported make and model: CESSNA T303
- Category: Airplane
- Serial number: T30300239
- Engines: CONTINENTAL TSIO-520-AE 250 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Embry Riddle University
- Registered owner: Cessna Finance Corp.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 27, 1986, 47 hours before
- Departed: DAB, DAYTONA BEACH, FL
- Airport: X47, Flagler County

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; flight instructor, airline transport, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 10,236 total, 25 in this make and model, 10,036 as pilot in command, 115 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 30° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 61 °F
- Altimeter: 29.00 inHg
- Observed at: DAB, 16 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 19860414086609A](https://openairdocs.org/incident/19860414086609A), Apr 14, 1986: Cessna T303, Bunnell, FL, Substantial damage. The aircraft veered off the taxiway into a culvert. The left brake master cylinder failed.

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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