# NTSB MIA86LA117: Fairchild Hiller FH-1100, N428FH, Miami, FL, April 8, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 8, 1986, 11:30 local (16:30 UTC)
- Place: Miami, FL
- Coordinates: 25.599191, -80.510375 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=25.5992&lon=-80.5104&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31598
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA86LA117
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31598/pdf
- Page: https://openairdocs.org/ntsb/MIA86LA117

## Sequence of events

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

- Loss of control - in flight, hover
  - directional control - not maintained, pilot in command (cause)
  - inadequate training, pilot in command (contributing factor)
  - remedial action - misjudged, pilot in command (cause)
  - inadequate transition/upgrade training, pilot in command (contributing factor)
  - lack of familiarity with aircraft, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE STUDENT PLT WAS ON A SUPERVISED SOLO FLT & WAS HOVERING. THE HELICOPTER WAS SEEN TO WOBBLE, ROLL TO THE RIGHT & CRASH TO THE GROUND. THE OWNER OF THE HELICOPTER STATED THAT HE HAD FLOWN THE ACFT JUST PRIOR TO THE ACCIDENT & THE ACFT PERFORMED NORMALLY. FLT CHARACTERISTICS OF THE HELICOPTER HAVE BEEN DESCRIBED AS SENSITIVE.

## Aircraft

- Registration: [N428FH](https://openairdocs.org/deregistered/N428FH-1988-04-07), registration cancelled 1988-04-07, S/N 131 (OpenAirDocs)
- Reported make and model: FAIRCHILD HILLER FH-1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Category: Helicopter
- Serial number: 131
- Engines: ALLISON 250-C18 274 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Craig Enterprises, Inc.
- Airworthiness certificate: Standard, Normal
- Departed: TMB, MIAMI, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; private; airplane ratings: single-engine land, multi-engine land; medical: class 2, expired; seat: right; flight hours: 309 total, 9 in this make and model, 197 as pilot in command, 10 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 3 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 61 °F
- Altimeter: 30.00 inHg
- Observed at: TMB, 7 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 19860408029289A](https://openairdocs.org/incident/19860408029289A), Apr 8, 1986: Hiller FH1100, Miami, FL, Substantial damage. While solo student was hovering aircraft wobbled, rolled and impacted ground. Cause under investigation.

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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