# NTSB CHI86LA157: Brantly Helicopter B-2B, N2295U, Griffith, IN, June 17, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 16, 1986, 19:30 local (Jun 17, 1986, 00:30 UTC)
- Place: Griffith, IN
- Coordinates: 38.199359, -87.91085 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.1994&lon=-87.9108&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 9, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13474
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA157
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13474/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA157

## Sequence of events

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

- Undershoot, approach - vfr pattern - final approach
  - planned approach - misjudged, dual student (contributing factor)
- Loss of control - in flight, approach - vfr pattern - final approach
  - rotorcraft flight controls - improper use of, dual student (cause)
  - lack of total experience, dual student (contributing factor)
  - remedial action - delayed, pilot in command(cfi) (cause)
- In flight collision with terrain/water, approach
- Roll over, approach
  - terrain condition - soft (contributing factor)
  - terrain condition - loose gravel/sandy (contributing factor)

## Analysis

THE STUDENT PLT & INSTRUCTOR (CFI) WERE ON A DUAL INSTRUCTIONAL FLT, PRACTICING LANDINGS. DURING AN APCH TO RWY 8, THE STUDENT BEGAN TO UNDERSHOOT ON FINAL APCH. AS THE HELICOPTER WAS APCHG A FENCE NEAR THE APCH END OF THE RWY, HE BECAME ALARMED & APPLIED AFT CYCLIC (INSTEAD OF COLLECTIVE). THE HELICOPTER BEGAN TO SPIN TO THE RGT. THE CFI TOOK CONTROL & STOPPED THE SPIN, BUT THE HELICOPTER TOUCHED DOWN IN SOFT SAND & ROLLED OVER.

## Aircraft

- Registration: [N2295U](https://openairdocs.org/deregistered/N2295U-2017-10-25), registration cancelled 2017-10-25, S/N 468, built 1967 (OpenAirDocs)
- Reported make and model: Brantly Helicopter B-2B
- Registry model: [Brantly B-2B](https://openairdocs.org/model/brantly-b-2b) (registry code 1440506) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 468
- Airframe hours: 1943
- Engines: LYCOMING IO-360-A1A 210 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Michael Mulderink
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, January 3, 1986, 40 hours before
- Destination: 05C
- Airport: 05C, Griffith, runway 8, 2,760 × 50 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: helicopter, airplane; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 2,648 total, 33 in this make and model, 2,434 as pilot in command, 259 in the last 90 days, 15 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 60° at 12 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point -0 °F

## 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 19860616083319A](https://openairdocs.org/incident/19860616083319A), Jun 16, 1986: Hynes B2B, Griffith, IN, Substantial damage. The helicopter rolled over on landing. Student lost control on final and instructor recovered just prior to impact.

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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