FTW88FA032

NTSB accident investigation · Beech H35 · Port Mansfield, TX · November 25, 1987

Accident · FatalField investigationFinal report
Date
November 25, 1987, 09:32 local (15:32 UTC)
Place
Port Mansfield, TX
Injuries
3 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N5568DBeech H35
Weather
Instrument (IMC) · Day
Status
Completed · report August 8, 1989
Report
Approved by Office Director
FAA report
19871125068539A
Case key
22527

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherClimb - to cruise
Weather condition - low ceilingFactor
Weather condition - thunderstormFactor
Artcc service - inadequateAtc personnel(artcc)Factor
Diverted attentionAtc personnel(artcc)Factor
Atc clearance - delayedFactor
Flight into known adverse weather - continuedPilot in commandFactor
Loss of control - in flightClimb - to cruise
Aircraft control - not maintainedPilot in commandCause
Spatial disorientationPilot in commandCause
Lack of recent instrument timePilot in commandFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - water

Analysis

The plt rcvd svrl wx briefings bfr tkof & was adzd of convective activity along the initial route of flt north of the arpt. The planned dep route was twd the wx. While discussing altn routing possibilities, the plt indcd he would ask ATC for deviation arnd the wx after tkof. After tkof, he ctcd houston ARTCC & rprtd clmbg to 4000'. The ctlr (who had just come on duty) wasn't expecting the acft & didn't see a flt progress slip for N5568D. A discussion flwd concerning the status of the flt plan with the ctlr finally clrg N5568D to maint 4000'. Soon thereafter, radio ctc was lost & the acft crashed in water (laguna madre) abt 8 mi north of the arpt in an area of tstms & low ovc. There was evidence the acft crashed in about a 10 deg nose dwn attitude. No preimpact part failure or malfunction was fnd. The relieved ARTCC ctlr said he adzd the relieving ctlr that N5568D had a clnc, but hadn't rprtd airborne. The relieving ctlr said his view of the flt progress slip was blocked & he didn't see the slip until 1 min ltr. The plt hadn't logged any recent inst apchs.

Aircraft

Registration
N5568D
Reported as
Beech H35
Category
Airplane
Serial number
D-5127
Airframe hours
3,984
Engine
Continental O-470-G1B, 240 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Tejas Flying Club
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 3, 1987 · 127 hours before
Departed
T05 · Port Mansfield, TX
Destination
F54 · Arlington, TX
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
61
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
981 total · 625 in this make and model · 712 as pilot in command

Weather

Conditions
Instrument (IMC) · Day
Wind
180° at 8 knots
Temperature
75 °F, dew point 73 °F
Altimeter
29.00 inHg
Observed at
HRL, 28 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.