FTW84LA381

NTSB accident investigation · Brantly Helicopter B-2B · Alvin, TX · September 8, 1984

Accident · No injuriesLimited investigationFinal report
Date
September 8, 1984, 15:00 local (20:00 UTC)
Place
Alvin, TX
Injuries
2 uninjured
Damage
Destroyed
Phase of flight
Approach
Aircraft
N2161UBrantly Helicopter B-2B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840908047559A
Case key
21456

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

On this page

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.

Loss of engine powerApproach - vfr pattern - final approach
Reason for occurrence undeterminedCause
Forced landingDescent - emergency
Autorotation - performedPilot in command
On ground/water encounter with terrain/waterLanding - roll
Run on landing - performedPilot in command
Terrain condition - ditchFactor
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - ditch

Analysis

The helicopter experienced an unexplained power loss. An emergency landing was attempted but the helicopter collided with a ditch. Lacking sufficient rotor RPM for efective control the helicopter nosed over. The plt was mailed an NTSB 6120.1 form to complete & return. The report was not returned to the NTSB. Additional attempts to obtain the form or additional info were unsuccessful.

Aircraft

Registration
N2161U
Reported as
Brantly Helicopter B-2B
Category
Helicopter
Serial number
322
Engine
Unknown UNKNOWN, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Scott Martin
Departed
Katy, TX
Airport
6R5 · Alvin Airpark

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
Medical
Unknown, Unknown

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 12 knots
Visibility
15 statute miles
Lowest ceiling
5,500 ft broken
Temperature
81 °F, dew point 72 °F
Altimeter
30.00 inHg
Observed at
HOU, 18 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.

Other investigations on N2161U · 3

Matched to the same aircraft by N-number and date.