Boeing NB

what is it?

The Boeing NB (or Model 21) was a primary training aircraft developed for the United States Navy in 1923. It was a two-bay, equal-span biplane of conventional configuration with interchangeable wheeled and float undercarriage. The pilot and instructor sat in tandem, open cockpits.

🔎How to recognise it: 1 engine · 11.2 m wingspan

base stats

• speed 160 km/htop speed
• range 480 kmwithout refuelling
• size 1,287 kgmax take-off weight
• built 72made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 103 years ago, in 1923.
• 🚗Wingspan of 11.2 m: about 2 cars parked nose to tail.

spec sheet

first flight

1923-10-20

number built

72

role

military trainer

makers

Boeing

engines

1× Lawrance J-1

length

8.8 m

wingspan

11.2 m

height

3.6 m

max take-off weight

1,287 kg

top speed

160 km/h

range

480 km

ceiling

3,110 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.