We use cookies for analytics (Google Analytics) and advertising (Meta). Read our privacy policy.Your GPC signal keeps ad cookies off
This website uses cookies
We use cookies for analytics (Google Analytics, to understand how visitors use the
site) and targeting (Meta, to measure our Facebook and Instagram ads). Necessary
cookies cover sign-in and security only. See our privacy policy.
Necessary
Analytics
Targeting
Your browser sends a privacy signal (GPC), so Targeting is off by default. You can
still turn it on here if you want - your choice overrides the signal.
Your privacy
We take your privacy seriously. Resyrv stores small amounts of information in your
browser - cookies and similar storage - to keep you signed in, keep your account
secure, and remember your preferences. Those essentials are the minimum the site
needs to work.
The rest is your call. Analytics cookies help us understand which pages are useful
and where visitors run into trouble. Targeting cookies let us measure whether our
Facebook and Instagram ads are worth running. We do not sell personal information,
and declining optional cookies never limits what you can do on Resyrv.
You can change your mind anytime - the Cookie Settings link in the footer reopens
this dialog. For the full picture, including how to request a copy or deletion of
your data, read our privacy policy.
Every hour on the tach is a fraction of an overhaul spent. This tool shows
whether your reserve balance is keeping pace with the engine's clock - and the
per-hour rate that gets you to TBO fully funded.
Calculator
The engine
The engine's ledger
Required reserve from here
Versus $19/hr if funded from overhaul day one.
$26/hr
Funding shortfall today
Behind where the tach says the fund should be.
$8,100
Hours to TBO
About 44 months at your pace.
1100 hrs
Overhaul funded
$9,000 of $38,000.
24%
Sent. Check your inbox.
Your breakdown is on its way to .
Wear versus funding
Engine used45%
Overhaul funded24%
A healthy fund keeps the second bar at or ahead of the first. A gap is
tomorrow's capital call, quietly growing.
+Reserve discipline
Pay the engine as you fly it.
Why fund the overhaul per hour instead of saving ad hoc?
Because the engine wears per hour, not per month. A per-hour accrual charged on every flight means the pilot who flies the hours funds the wear, the balance grows in lockstep with the tach, and overhaul day arrives with a funded account instead of a capital call.
What if we started reserving late?
Then the honest per-hour number is higher than the from-new number, because fewer hours remain to spread the shortfall across. That is the "required from here" figure - painful to see, cheaper than the alternative, which is a five-figure surprise split under pressure.
Should prop and avionics have reserves too?
Yes - same logic, smaller numbers. Prop overhauls and avionics refreshes are predictable-ish expenses on long clocks. Resyrv tracks separate accrual rates per component so each fund grows on every flight automatically.