# NTSB FTW86LPJ06: Aerospatiale SA319B, N67102, Tulsa, OK, January 7, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: January 7, 1986, 09:30 local (15:30 UTC)
- Place: Tulsa, OK
- Coordinates: 36.149009, -95.949668 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.1490&lon=-95.9497&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 22108
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86LPJ06
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22108/pdf
- Page: https://openairdocs.org/ntsb/FTW86LPJ06

## Sequence of events

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

- Airframe/component/system failure/malfunction, takeoff - initial climb
  - rotor system,main rotor hub lead-lag stop/damper - failure,partial (cause)
  - rotor system,main rotor blade - vibration (cause)
- Forced landing, descent - emergency
  - autorotation - performed, pilot in command

## Analysis

THE MAIN ROTOR BLADES STRUCK THE TAIL BOOM AFTER LIFTOFF AND VIBRATION WAS VIOLENT. WHEN THE PLT HEARD METAL CONTACT HE PULLED OFF THE THROTTLE AND MADE AN AUTOROTATION LANDING FROM ABOUT 4 FT AGL.

## Aircraft

- Registration: N67102 (not matched to a registry record)
- Reported make and model: AEROSPATIALE SA319B
- Category: Helicopter
- Serial number: 2187
- Airframe hours: 6128
- Engines: TURBOMECA ASTAZOU XIVB 858 lbs thrust turbo shaft
- Damage: Substantial damage
- Flight: Part 135
- Operator: Rocky Mountain Helicopters, doing business as [Ems]
- Airworthiness certificate: Standard, Normal
- Destination: MCALESTER, OK
- Airport: Hillcrest Medical Center

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 11,300 total, 200 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 315° at 8 knots, gusting 12

## 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 19860107006069A](https://openairdocs.org/incident/19860107006069A), Jan 7, 1986: Aerosp SA319B, Tulsa, OK, Substantial damage. On liftoff to hover lateral vibration became intense. Main rotors struck the tail. Made hover autorotation landing.

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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