Technical Measurements Flashcards

A bag weighs 50 lb. About how many kilograms is that?

Answer: 22.7 kg

50 lb × 0.4536 ≈ 22.7 kg, the common airline checked-bag limit.

Aircraft weight and balance uses 'moment.' How is moment calculated?

Answer: Weight × arm

Moment equals weight multiplied by its distance (arm) from the reference datum.

The center-of-gravity distance from the datum is measured in inches in US aircraft documents and is called the:

Answer: Arm

The arm is the horizontal distance from the reference datum to the item's center of gravity.

A Unit Load Device's tare weight refers to:

Answer: The weight of the empty ULD

Tare weight is the ULD's own empty weight, which is added to the cargo weight to get gross weight.

A ramp scale shows 2,200 lb for a ULD with a tare weight of 180 lb. What is the net cargo weight?

Answer: 2,020 lb

Net = gross − tare = 2,200 − 180 = 2,020 lb.

One statute mile equals about how many nautical miles?

Answer: 0.87 NM

A nautical mile is about 1.15 statute miles, so one statute mile is about 0.87 NM.

A wind reported as 25 knots is approximately how many miles per hour?

Answer: 29 mph

1 knot ≈ 1.15 mph, so 25 knots ≈ 29 mph.