CHI84LU002

NTSB accident investigation · Birdman Enterprises Chinook · Mecosta, MI · March 26, 1984

Accident · Serious injuriesFinal report
Date
March 26, 1984, 16:05 local (21:05 UTC)
Place
Mecosta, MI
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
UNREGBirdman Enterprises Chinook
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
12791

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.

Loss of engine power(total) - nonmechanicalManeuvering - turn to reverse direction
Fuel system,vent - other
Aircraft preflight - inadequatePilot in commandCause
Fluid,fuel - starvationCause
Forced landingLanding
Dragged wing,rotor,pod,float or tail/skidLanding

Analysis

The acft stalled during a forced landing and the right wing struck the ground. The plt stated that on his first takeoff full power was not obtained and a turn of 180 degrees was initiated to return to the airstrip. The engine failed completely on downwind and the plt stalled the vehicle. The plt stated that he failed to open the vent on the fuel tank which created a vacuum in the tank that led to fuel starvation.

Aircraft

Registration
UNREG
Reported as
Birdman Enterprises Chinook
Category
Ultralight, amateur-built
Serial number
01967
Airframe hours
24
Engine
Rotax 277, 28 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 103
Registered owner
T. Dupuis
Airport
27C · Mecosta Morton Twn

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
33
Airplane ratings
Single-engine land
Medical
Unknown
Seat
Center
Flight hours
10 total · 7 in this make and model · 7 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
39 °F