# NTSB FTW84LA317: Beech D-18S, N113B, Mcallen, TX, July 20, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 20, 1984, 14:59 local (19:59 UTC)
- Place: Mcallen, TX
- Coordinates: 26.159511, -98.249679 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=26.1595&lon=-98.2497&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21403
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA317
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21403/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA317

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - supervision - improper, pilot in command (cause)
  - aircraft weight and balance - exceeded, pilot in command (cause)
  - directional control - not maintained, copilot/second pilot (cause)
  - ground loop/swerve - inadvertent, copilot/second pilot (cause)
- Main gear collapsed, takeoff
  - landing gear,main gear - overload

## Analysis

THE PIC WAS OBSERVING FROM THE RIGHT SEAT WHILE THE C0-PLT WAS IN THE LEFT SEAT TAKING OFF. DURING THE TAKEOFF ROLL, THE CO-PLT LOST DIRECTIONAL CONTROL OF THE ACFT & THE PIC WAS UNABLE TO RECOVER. THE ACFT VEERED OFF THE LEFT SIDE OF THE RWY, THE RIGHT MAIN GEAR COLLAPSED & THE RIGHT ENG CAUGHT ON FIRE. AN INVESTIGATION REVEALED THE ACFT WAS LOADED 1203 LBS OVER THE MAX GROSS WT LIMIT & CENTER OF GRAVITY WAS 2.4 INCHES BEYOND THE AFT LIMIT.

## Aircraft

- Registration: [N113B](https://openairdocs.org/deregistered/N113B-2012-10-11), registration cancelled 2012-10-11, S/N A-289, built 1946 (OpenAirDocs)
- Reported make and model: Beech D-18S
- Registry model: [Beech D18S](https://openairdocs.org/model/beech-d18s) (registry code 1151004) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: A-289
- Airframe hours: 11636
- Engines: P&W R-985-AN14B 450 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Business, Part 91
- Registered owner: Amext Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: AAIP, July 26, 1983, 51 hours before
- Destination: VERACRUZ
- Flight plan: Unknown
- Airport: Miller Int'L, runway 13, 7,108 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 58; airline transport, commercial; airplane ratings: multi-engine sea, single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 18,825 total, 810 in this make and model, 17,000 as pilot in command, 302 in the last 90 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 110° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 97 °F, dew point 72 °F
- Altimeter: 29.00 inHg
- Observed at: MFE

## 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 19840720033799A](https://openairdocs.org/incident/19840720033799A), Jul 20, 1984: Beech D18S, Mcallen, TX, Substantial damage. Copilot lost directional control on the takeoff roll. Ground looped collapsing gear. Was 1200 lsbs over gross wt.

## Other investigations on N113B (1)

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.

- [NTSB CHI83LA093](https://openairdocs.org/ntsb/CHI83LA093), Jan 28, 1983: Beech D18S (N113B), Plymouth, IN, substantial damage

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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