# NTSB FTW87LA077: Bell 206B, N666TV, Austin, TX, March 19, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 19, 1987, 09:30 local (15:30 UTC)
- Place: Austin, TX
- Location: 30.2672° N, 97.7431° W: Placed by OpenAirDocs: center of Austin, TX, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.2672&lon=-97.7431&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 2, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 22340
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW87LA077
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22340/pdf
- Page: https://openairdocs.org/ntsb/FTW87LA077

## Sequence of events

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

- Loss of engine power, approach - vfr pattern - final approach
  - turboshaft engine - failure,partial (cause)
  - turboshaft engine - undetermined (cause)
- Hard landing, landing - flare/touchdown

## Analysis

ACFT WAS DAMAGED DURING A HARD LANDING ON A ROOF TOP HELIPORT FOLLOWING A PARTIAL POWER LOSS AS A RESULT OF AN UNCOMMANDED ENGINE DECELERATION. AS THE ACFT WAS 40' ABOVE AND 40' OUT FROM THE HELIPORT PAD, THE POWER LOSS OCCURRED AND THE PLT STRETCHED HIS GLIDE TO LAND ON THE PAD. THE HARD LANDING OCCURRED AS A RESULT OF DECAYED MAIN ROTOR RPM. EXAMINATION AND FUNCTIONAL TESTING OF THE ENGINE DID NOT REVEAL THE CAUSE OF THE POWER LOSS.

## Aircraft

- Registration: N666TV (not matched to a registry record)
- Reported make and model: BELL 206B
- Category: Helicopter
- Serial number: 2217
- Airframe hours: 3970
- Engines: ALLISON 250 C20B 420 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Part 91
- Operator: Omni Flight,Inc., doing business as Omni Offshoreinc.
- Registered owner: Omniflight Offshore Inc
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 28, 1987, 44 hours before
- Departed: AUS
- Destination: 60TA
- Airport: 60TA, Kvue Heliport

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane, helicopter; medical: class 2, valid medical--no waivers/lim.; flight hours: 3,743 total, 519 in this make and model, 3,454 as pilot in command, 72 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 4 knots
- Visibility: 20 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 66 °F, dew point 48 °F
- Altimeter: 29.00 inHg
- Observed at: AUS, 4 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 19870319060729A](https://openairdocs.org/incident/19870319060729A), Mar 19, 1987: Bell 206B, Austin, TX, Substantial damage. The tail rotor struck a roof eave during landing. The pilot reported a power loss on final. No malfunctions found.

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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