# NTSB LAX84LA115: de Havilland DHC 7-102, N929HA, Honolulu, HI, December 23, 1983

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: December 22, 1983, 15:06 local (Dec 23, 1983, 01:06 UTC)
- Place: Honolulu, HI
- Coordinates: 21.289369, -157.789916 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=21.2894&lon=-157.7899&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 25 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24127
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA115
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24127/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA115

## Sequence of events

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

- Abrupt maneuver, approach - vfr pattern - final approach
  - weather condition - turbulence (contributing factor)
  - insuff standards/requirements,airways/airspace, faa(organization) (cause)

## Analysis

WHILE ON A FIVE MILE FINAL APCH TO RWY 26R THE DHC 7 ENCOUNTERED MODERATE TURBULENCE AND TWO CABIN ATTENDANTS SUSTAINED INJURIES. AT 1506:02 HOURS HST A WESTERN AIRLINES DC10 REQUESTED AN S TURN TO LOSE ALTITUDE IN ORDER LAND ON RWY 26L. SEVEN SECONDS LATER N929HA WAS GIVEN A WAKE TURBULENCE CAUTION BY THE SAME ATC SPECIALIST. ACCORDING TO A REVIEW OF THE REPORT BY AN ATC SPECIALIST FROM THE BUREAU OF TECHNOLOGY, NTSB, WASHINGTON, DC, ALL FAA ATC SEPARATION REQUIREMENTS WERE MET.

## Aircraft

- Registration: [N929HA](https://openairdocs.org/deregistered/N929HA-1992-12-18), registration cancelled 1992-12-18, S/N 51 (OpenAirDocs)
- Reported make and model: de Havilland DHC 7-102
- Registry model: [Dehavilland DHC-7-102](https://openairdocs.org/model/dehavilland-dhc-7-102) (registry code 2802708) (OpenAirDocs)
- Category: Airplane
- Serial number: 51
- Airframe hours: 3883
- Engines: P&W PT6A-50 1174 horsepower turbo prop
- Damage: No damage
- Flight: Part 121
- Registered owner: Hawaiian Airlines , Inc.
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, December 7, 1983, 88 hours before
- Departed: OGG, KAHULUI, MAUI, HI
- Destination: HNL, HONOLULU, HI
- Flight plan: IFR
- Airport: HNL, Honolulu Int'L, runway 26R, 12,371 × 200 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 9,149 total, 1,131 in this make and model, 2,422 as pilot in command, 188 in the last 90 days, 41 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 8 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 77 °F, dew point 59 °F
- Altimeter: 29.00 inHg
- Observed at: HNL, 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 19831222074889A](https://openairdocs.org/incident/19831222074889A), Dec 22, 1983: Dhav DHC7102, Honolulu, HI. Aircraft encountered wake turbulence during approach for landing. Both cabin attendants were injured.

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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