Private Dirt Strip Airport
Aircraft Accident/Incident Report

Aguiguan Island Northern Mariana Islands
Friday, July 4, 1997 9:30

NTSB Narrative Summary Released at Completion of Accident

A witness reported that the pilot had returned to the island airstrip to pick up passengers. The aircraft landed and swerved to the left cutting the tops of the Tangantangan trees. The pilot refused to submit a written statement to the Safety Board. In an interview with the FAA, the pilot reported that he was carrying supplies to the island for the workers who were clearing a wider path for the aircraft to land on. On final approach the pilot lined up left of the runway, clipping trees with the left wing. FAA records disclosed that the pilot was denied a medical in 1996.

NTSB Probable Cause Narrative

The pilot's failure to maintain runway alignment while landing on an undeveloped private dirt strip.

Event Information

Type of Event Accident
Event Date 7/4/1997
Event Day of the Week Friday
Time of Event 930
Event Time Zone --
Event City AGUIGUAN ISLAND
Event State --
Event Country NORTHERN MARIANA ISLANDS
Zipcode of the event site 96950
Event Date Year 1997
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PRIVATE DIRT STRIP
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1183
NTSB Notification Source --
NTSB Notification Date Jul 11 1997 12:00AM
NTSB Notification Time 1610
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jan 31 2003 12:08PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8189B
NTSB Number LAX97LA239
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 172
Aircraft Series Identifier 172
Aircraft Serial Number 29989
Certified Max Gross Weight 2705
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name YOSHIO GABALDON
Aircraft Owner Street Address P.O. BOX 1223
Aircraft Owner City SAIPAN
Aircraft Owner State MP
Aircraft Owner Country
Aircraft Owner Zipcode 96950
Operator is an individual? --
Operator Name GUY GABALDON
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City SAIPAN
Departure State MP
Departure Country
Departure Time 824
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State MP
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --