William P. Hobby Airport
Aircraft Accident/Incident Report

Houston, Texas 77061
Wednesday, April 28, 2010 12:25 CDT

NTSB Narrative Summary Released at Completion of Accident

A Boeing 737 (B737) was departing from runway 12R and a Bell 207 was departing from the south helipad on a northbound departure route, when the aircraft came within approximately 125 feet vertically and 100 feet laterally at the departure end of runway 12R. The air traffic control tower controller did not issue traffic advisories to the B737 or the Bell 207. The incident occurred during daytime visual meteorological conditions.

NTSB Probable Cause Narrative

The failure of the local controller to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class B airspace.

Event Information

Type of Event Incident
Event Date 4/28/2010
Event Day of the Week Wednesday
Time of Event 1225
Event Time Zone Central Daylight Time
Event City Houston
Event State TEXAS
Event Country --
Zipcode of the event site 77061
Event Date Year 2010
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport William P. Hobby Airport
Event Location Nearest Airport ID HOU
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 44
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1153 Central Daylight Time
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID HOU
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 8000
Sky/Lowest/Cloud Conditions Few
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 10
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 10
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.04
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report 271653Z 01010KT 10SM FEW080 OVC250 23/03 A3004 RMK
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 140
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 29287
NTSB Notification Source FAA
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Nov 9 2011 2:46PM
User who most recently changed record misp
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number -- --
NTSB Number OPS10IA132A OPS10IA132B
Missing Aircraft Indicator -- --
Federal Aviation Reg. Part -- --
Type of Flight Plan filed Unknown Unknown
Flight plan Was Activated? -- --
Damage None None
Aircraft Fire None None
Aircraft Explosion None --
Aircraft Manufacturer's Full Name BOEING BELL
Aircraft Model 737-7H4 407
Aircraft Series Identifier -- --
Aircraft Serial Number 32505 53066
Certified Max Gross Weight -- --
Aircraft Category Airplane Helicopter
Aircraft Registration Class -- --
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 140 7
Number of Engines 2 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection -- --
Date of Last Inspection -- --
Airframe hours since last inspection -- --
Airframe Hours -- --
ELT Installed Unknown Unknown
ELT Activated Unknown No
ELT Aided Location of Event Site Unknown No
ELT Type -- --
Aircraft Owner Name -- --
Aircraft Owner Street Address PO BOX 36611 1101 W EDGAR RD # 405C
Aircraft Owner City DALLAS LINDEN
Aircraft Owner State TX NJ
Aircraft Owner Country USA USA
Aircraft Owner Zipcode 75235-1611 07036-6551
Operator is an individual? No No
Operator Name -- --
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address PO BOX 36611 1101 W EDGAR RD # 405C
Operator City DALLAS LINDEN
Operator State TX NJ
Operator Country USA USA
Operator Zip code 75235-1611 07036-6551
Operator Code SWAA --
Owner has at least one certificate Yes - certificate holder None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation -- --
Operator Certificate Number SWAA304A --
Indicates whether an air carrier operation was scheduled or not Scheduled --
Indicates Domestic or International Flight Domestic --
Operator carrying Pax/Cargo/Mail Passenger Only --
Type of Flying (Per_Bus / Primary) -- Aerial Observation
Second Pilot on Board Yes No
Departure Point Same as Event Yes Yes
Departure Airport Code HOU HOU
Departure City Houston Houston
Departure State TX TX
Departure Country USA USA
Departure Time -- --
Departure Time Zone CDT CDT
Destination Same as Local Flt -- dest & departure same, accident can occur anywhere
Destination Airport Code BWI HOU
Destination City Baltimore Houston
Destination State MD TX
Destination Country USA USA
Specific Phase of Flight -- --
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Nov 1 2011 2:59PM Nov 9 2011 12:28PM
User who most recently changed record kosb kosb
Since inspection or accident -- --
Event Location Runway Number and Location 12R 12R
Runway Length 7602 7602
Runway Width 150 150
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --