AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/aero-airmail-space-incentive

Why did the McNary-Watres Act encourage airlines to use larger airplanes?

Start playing free

  1. Mail pay depended on route length
  2. Mail pay depended on aircraft speed
  3. Mail pay rewarded available cargo space

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every CAP Aerospace Cadet Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. Journey of Flight Teacher's Guide, chapter 3 www.gocivilairpatrol.com/media/cms/2nd_edition_Teachers_Guide_5D3166D76F9B1.pdf Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

AerospaceThe first regular U.S. air mail service in 1918 connected Washington, DC, with which city?AerospaceWhich airplane became the standard commercial airliner by the late 1930s?AerospaceWhich cities did Pan American's first airmail route connect?

That's stuff everyone should know.