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LAX87DJA08

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NTSB accident investigation · Emair MA-1B · Pahala, HI · August 13, 1987

Accident · No injuriesFinal report

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Date
August 13, 1987, 08:26 local (18:26 UTC)
Place
Pahala, HI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N9924MEmair MA-1B
Weather
Visual (VMC) · Day
Status
Completed · report February 24, 1989
Report
Approved by Office Director
FAA report
19870813062649A
Case key
25294

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.

Airframe/component/system failure/malfunctionTakeoff - roll/run
Landing gear,main gear strut scissors - shearedCause
Loss of control - on ground/waterTakeoff - roll/run
Directional control - not possible
Ground loop/swerve - uncontrolled
Nose downTakeoff - roll/run

Analysis

During an aerial application operation, while taking off, the aircraft veered off the runway and came to rest nose down. Inspection of the landing gear revealed that the left main landing gear scissor bolt broke.

Aircraft

Registration
N9924M
Reported as
Emair MA-1B
Category
Helicopter, amateur-built
Serial number
024
Airframe hours
3,547
Engine
Wright R-1820-202A, 900 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Murray Air Ltd.
Last inspection
100 hour · July 18, 1987 · 24 hours before
Airport
Duster Strip
N9924MRegistration cancelled Dec 2, 2002 · Emroth-Emair MA-1S/N 024 · Built 1975Airframe modelEmroth-Emair MA-1Engine modelPratt & Whitney R1340 seriesReciprocating

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
56
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
6,550 total · 24,000 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles
Lowest ceiling
None
Temperature
64 °F, dew point 50 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Accident 19870813062649AEmair MA1 · Pahala, HIBolt on left gear scissors broke, causing the agricultural spray aircraft to veer off the runway on takeoff.Aug 13, 1987 · N9924M · Substantial damage

Other investigations on N9924M · 2

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

NTSB LAX87DJA09Accident · No injuriesFinal reportPaauilo, HIDuring an aerial application flt, just after take off, the plt noted that the engine oil temp was high and that blue smoke was coming from the engine. Unable to land at the airport, the acft collided with the terrain short of the runway and nosed over.…Sep 11, 1987 · Substantial damageNTSB LAX85FJA01Accident · No injuriesFinal reportPaanilo, HIThe plt initiated his 1st spray pass uphill with about a 5 to 10 kt quartering tail wind. While on the swath run, he noted the airspeed was decaying, so he aborted the pass by turning into the wind. However, this resulted in flying over more rapidly rising…Jan 30, 1985 · Substantial damage