# NTSB FTW84IA412: de Havilland DHC-6-300, N914MA, Houston, TX, September 29, 1984

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: September 29, 1984, 07:15 local (12:15 UTC)
- Place: Houston, TX
- Location: 29.9844° N, 95.3414° W: Placed by OpenAirDocs at GEORGE BUSH INTCNTL/HOUSTON (IAH), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.9844&lon=-95.3414&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 8 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21166
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84IA412
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21166/pdf
- Page: https://openairdocs.org/ntsb/FTW84IA412

## Sequence of events

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

- Loss of control - in flight, landing - roll
  - reason for occurrence undetermined (cause)
  - throttle/power lever - binding(mechanical)
  - weather condition - tailwind
  - weather condition - crosswind
  - directional control - not maintained
  - ground loop/swerve - uncontrolled
- On ground/water collision with object, landing - roll
  - object - airport facility (contributing factor)

## Analysis

DURING A LANDING ON RWY 14R, THE ACFT VEERED OFF THE LEFT SIDE OF THE RWY, HIT A RWY SIGN & WAS DAMAGED. AT THE SAME TIME THE DHC-6 WAS APPROACHING TO LAND, A BOEING 727 WAS ALSO IN THE TRAFFIC PATTERN TO LAND ON RWY 14L. ACCORDING TO TOWER PERSONNEL, THE BOEING LANDED ABOUT 1 MI AFTER THE DEHAVILLAND LANDED. HOWEVER, THERE WAS EVIDENCE THAT THE BOEING CLOSED & POSSIBLY PASSED THE DEHAVILLAND DURING THE LANDING SEQUENCE. THE WIND WAS FROM 360 DEG AT 10 KTS WHICH WOULD HAVE DRIFTED WAKE TURBULENCE TOWARD RWY 14R. THE DEHAVILLAND CAPTAIN REPORTED THAT THE POWER LEVERS WERE STIFF & THAT THE LEFT PROP SOUNDED LIKE IT SURGED DURING THE LANDING JUST AFTER THE COPLT (WHO WAS FLYING THE ACFT) SELECTED GROUND BETA. WHEN THE CAPTAIN REALIZED THAT THE COPLT COULD NO LONGER CONTROL THE ACFT, HE TOOK THE CONTROLS, BUT WAS UNABLE TO AVOID COLLIDING WITH THE RWY SIGN. THERE WAS MINOR DAMAGE TO THE LANDING GEAR STRUT FAIRINGS.

## Aircraft

- Registration: [N914MA](https://openairdocs.org/deregistered/N914MA-1995-10-13), registration cancelled 1995-10-13, S/N 724 (OpenAirDocs)
- Reported make and model: de Havilland DHC-6-300
- Registry model: [Dehavilland DHC-6-300](https://openairdocs.org/model/dehavilland-dhc-6-300) (registry code 2802630) (OpenAirDocs)
- Category: Airplane
- Serial number: 724
- Engines: P&W PT6A-27 620 horsepower turbo prop
- Damage: Minor damage
- Flight: Part 135
- Operator: Metroflight, Inc.
- Registered owner: Metroflight Inc.
- Airworthiness certificate: Standard, Normal
- Departed: SGR, HULL FIELD, TX
- Destination: IAH
- Flight plan: VFR
- Airport: IAH, Houston International, runway 14R, 6,048 × 100 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial, flight instructor, airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 5,600 total, 2,110 in this make and model, 5,300 as pilot in command, 200 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 10 knots
- Visibility: 7 statute miles
- Lowest ceiling: 5,000 ft broken
- Temperature: 61 °F, dew point 48 °F
- Altimeter: 30.00 inHg
- Observed at: IAH

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19840929075699I](https://openairdocs.org/incident/19840929075699I), Sep 29, 1984: Dhav DHC6300, Houston, TX, Minor damage. Vortex turbulence from Boeing 727 landing on parallel runway swerved otter off side of runway. Wasnt warned by ATC

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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