Crash of a Martin NBS-1 at Phillips AAF Field

Date & Time: Sep 25, 1929
Type of aircraft:
Martin NBS-1 (MB-2)
Operator:
Registration:
AC-68497
Flight Phase:
Landing (descent or approach)
Flight Type:
Military
Site:
Airport (less than 10 km from airport)
Location:
Phillips AAF Field (Aberdeen)
Maryland
Country:
United States of America
Region:
North America
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed upon landing for unknown reasons. Occupant fate unknown.

Crash of a Martin NBS-1 in Augusta: 4 killed

Date & Time: May 28, 1927
Type of aircraft:
Martin NBS-1 (MB-2)
Operator:
Registration:
AC-68525
Flight Phase:
Takeoff (climb)
Flight Type:
Military
Survivors:
No
Site:
Airport (less than 10 km from airport)
Location:
Augusta
Georgia
Country:
United States of America
Region:
North America
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
Shortly after takeoff from Augusta Airport, while climbing to a height of 500 feet, one of the engine caught fire. The crew lost control of the airplane that crashed, bursting into flames. All four crew members were killed.
Probable cause:
Engine fire during initial climb.

Crash of a Martin NBS-1 (MB-2) off Waimea: 2 killed

Date & Time: Nov 23, 1925
Type of aircraft:
Martin NBS-1 (MB-2)
Operator:
Registration:
AS-68461
Flight Phase:
Flight
Flight Type:
Military
Survivors:
Yes
Site:
Lake, Sea, Ocean, River
Schedule:
Luke Field - Luke Field
Location:
Waimea
Hawaii
Country:
United States of America
Region:
North America
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
The crew departed Luke Field on a local flight over Oahu Island. En route, the aircraft suffered an engine failure. The crew elected to ditch the airplane that crashed in the Waimea Bay. Two crew members were killed and two others were injured.
Probable cause:
Engine failure in flight.

Crash of a Martin NBS-1 in Dayton: 5 killed

Date & Time: Apr 21, 1923
Type of aircraft:
Martin NBS-1 (MB-2)
Operator:
Registration:
AS-64205
Flight Phase:
Takeoff (climb)
Flight Type:
Military
Survivors:
No
Site:
Lake, Sea, Ocean, River
Schedule:
Dayton - Langley
Location:
Dayton-McCook Field
Ohio
Country:
United States of America
Region:
North America
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
Shortly after takeoff from McCook Field located in Dayton downtown, bound to Langley, Virginia, the aircraft encountered gusty winds, went out of control and crashed in the Miami River. All five occupants, among them Captain Walter Ralls Lawson, were killed.

Crash of a Martin NBS-1 in Moundsville: 5 killed

Date & Time: Jul 10, 1921
Type of aircraft:
Martin NBS-1 (MB-2)
Operator:
Flight Phase:
Takeoff (climb)
Flight Type:
Military
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Moundsville - Langley
Location:
Moundsville
West Virginia
Country:
United States of America
Region:
North America
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
Shortly after takeoff, the crew encountered technical problems. The aircraft stalled and crashed on a parking lot near the airport. Upon impact, the aircraft caught fire and 16 cars were destroyed by fire. Five people on the ground were killed, among them three children. Twenty people were injured as well as both crew members. It appears that many people were contemplating the departure of the aircraft when the accident occurred.
Crew:
Lt C. R. McIvy, pilot,
T. H. Dunton, mechanic.
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