NSF award 2503620 · Princeton University

RAISE: Breaking the Surface: The Underlying Fluid-Structure Interactions of Aquatic-Aerial Transition and Stable Locomotion at the Interface

Final report due

29 December 2028

in 803 days · The award ends on 31 August 2028.

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PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2028in 673 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 August 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2028.

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Award card

Award number: 2503620
Period of support: 1 Sep 2025 – 31 Aug 2028
Amount: $901,000
Awardee: Princeton University, Princeton, NJ
Program: Physiol Mechs & Biomechanics, Dynamics, Control and System D
Directorate: ENG

Abstract

Flying fish are pelagic fish capable of aerial and aquatic locomotion. Using a unique yet understudied taxiing maneuver, the fish dips only the tail fin below the water surface to produce enough speed for takeoff. Repeating this maneuver can extend their glide up to 400 meters without reentering the water. No other organism can perform such a feat. The goal of this research project is to uncover the governing…

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