BEECHCRAFT MODEL 28
The term "Beechcraft model 28" most likely refers to the Beechcraft XA-38 "Grizzly", a prototype twin-engine heavy assault/dive bomber, with specifications including a max speed of

395395
395
mph (

636636
636
km/h), a service ceiling of

29,00029 comma 000
29,000
ft (

88408840
8840
m), and a range of

1,6001 comma 600
1,600
miles (

25752575
2575
km). It was equipped with a $75$mm cannon, six $12.7$mm machine guns, and could carry up to

2,0002 comma 000
2,000
lbs of bombs.
Beechcraft XA-38 "Grizzly" (Model 28)
- Crew: 2
- Max Speed:

395395
395
mph (

636636
636
km/h)
- Ceiling:

29,00029 comma 000
29,000
ft (

88408840
8840
m)
- Range:

1,6001 comma 600
1,600
miles (

25752575
2575
km)
- Armament:
- 1 x $75$mm cannon
- 6 x $12.7$mm machine guns
- Up to

2,0002 comma 000
2,000
lbs (

907907
907
kg) of bombs
- Other: Highly maneuverable, could take off and land in a smaller area than comparable aircraft