# NTSB MIA88LA247: Enstrom F-28F, N280MW, Boca Raton, FL, August 6, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 6, 1988, 15:10 local (19:10 UTC)
- Place: Boca Raton, FL
- Coordinates: 26.339792, -80.080497 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=26.3398&lon=-80.0805&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 25, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 32227
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA88LA247
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32227/pdf
- Page: https://openairdocs.org/ntsb/MIA88LA247

## Sequence of events

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

- Loss of engine power, cruise - normal
  - reason for occurrence undetermined (cause)
- Ditching, landing - flare/touchdown

## Analysis

WHILE AT AN ALT OF APRX 800 FT 1 MILE OFFSHORE, THE PLT REPORTED A DROP OF THE MANIFOLD PRESSURE FROM 29 TO 20'HG, & AS A RESULT, THE MAIN ROTOR AND ENGINE RPM NEEDLES SPLIT. HE THEN TURNED ON THE BOOST PUMP WITH NEGATIVE RESULTS. AN AUTOROTATIVE LANDING IN THE WATER RESULTED IN SUBSTANTIAL DAMAGE. THE ACFT WAS DITCHED APRX 1 MILE OFFSHORE IN WATER 4 FT DEEP.

## Aircraft

- Registration: [N280MW](https://openairdocs.org/aircraft/N280MW), registered now, S/N 743 (OpenAirDocs)
- Reported make and model: ENSTROM F-28F
- Registry model: [Enstrom F-28F](https://openairdocs.org/model/enstrom-f-28f) (registry code 3300412) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Helicopter
- Serial number: 743
- Airframe hours: 231
- Engines: LYCOMING HIO-360-FIAD 190 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Weinstein, Michael
- Registered owner: M Aviation, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 6, 1987, 12 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; private; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 15,000 total, 500 in this make and model, 155 in the last 90 days, 55 in the last 30 days, 14 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 11 statute miles
- Lowest ceiling: 25,000 ft broken
- Altimeter: 30.00 inHg
- Observed at: PMP, 8 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 19880806030689A](https://openairdocs.org/incident/19880806030689A), Aug 6, 1988: Enstrm F28F, Boca Raton, FL, Substantial damage. Report power loss. Autorotated into shallow water offshore. No defects found. May have been throttle creep.

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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