Demo school. A sample flight school with four aircraft and two years of invented flights and bills (September 2024–August 2026). Sign in to see your own school's numbers.

N8123VPiper PA-28-181 Archer IIIActive

Piper PA-28-181 Archer IIILeaseback

Rank 3 of 4 by operating margin

Jul 1, 2026 – Sep 30, 2026

2026-07-01 to 2026-09-30

Revenue

$28,858

−22%vs. previous period

Hours flown

164.9

−22%vs. previous period

Revenue/hr

$175

0%vs. previous period

Utilization

18.1%

−6 ptsvs. previous period

Monthly performance

Apr–Sep, by calendar month.

Upcoming inspections

Maintenance

Due date	Item	Hours / interval	Status
Oct 27, 2026est	Next 100-hour	40.0 hours to go 60% of the way	In 27 days
Jan 31, 2027	Next annual	12 calendar months 68% of the way	In 123 days
May 2029est	Overhaul	1,120.0 hours to the 2,000-hour TBO 44% of the way	In 972 days

Due date

Item

Hours / interval

Status

Oct 27, 2026est

Next 100-hour

40.0 hours to go

60% of the way

In 27 days

Jan 31, 2027

Next annual

12 calendar months

68% of the way

In 123 days

May 2029est

Overhaul

1,120.0 hours to the 2,000-hour TBO

44% of the way

In 972 days

Aircraft information

Make / model: Piper PA-28-181 Archer III
Ownership: Leaseback
Engine TBO: 2,000 hrs
Engine hours since overhaul (SMOH): 880 hrs (entered Aug 31, 2026)
Current tach: 4126.5
Overhaul cost: $42,000
Hourly rate: $175/hr
Fuel burn: Not set

What the numbers show

Cancellations are costing N8123V real flying time.

N8123V$3,500 est Scheduled value of cancelled hours

8% of bookings were cancelled or no-shows, 20.0 scheduled hours worth about $3,500 at the usual rate.

Ideas schools in this spot often explore

Whether the time of day most cancellations fall in has something in common: early starts, end-of-day slots, or weather.
What's different about the bookings of the instructor on most of them: students, times, or workload.
How the cancellation and no-show policy is set: notice period, fees, and whether it's applied consistently.

Ideas, not recommendations. Your situation may differ.

Show the numbers

N8123V had 10 cancelled or no-show bookings (8% of its 121 bookings) covering 20.0 scheduled hours; its revenue per hour was $175.00.

Cancelled or no-show bookings: 10

Cancellation rate: 8%

Scheduled hours: 20.0 h

Revenue per hour: $175.00/hr

Cancelled or no-show bookings: 10

Cancellation rate: 8%

Scheduled hours: 20.0 h

Revenue per hour: $175.00/hr

Facts from your data, not a diagnosis.

6 of the 10 cancelled or no-show bookings with a start time were in the afternoon. smaller factor
In the afternoon: 6
With a start time: 10
One instructor was on 4 of the 7 cancelled or no-show bookings that name an instructor. smaller factor
With the same instructor: 4
Naming an instructor: 7
10 of the 10 cancelled or no-show bookings that name a customer were booked again by the same customer within 7 days. main factor
Booked again: 10
Naming a customer: 10
Rebooked share: 100%

Owner payouts booked for N8123V don't match the leaseback terms.

N8123V$828 est booked vs owed

The payments in QuickBooks are about $828 less than what the terms in fleet setup give in this period.

Ideas schools in this spot often explore

Whether the leaseback agreement's payout terms still fit what the aircraft earns and costs to run.
Which months' owner payouts differ from the agreement, and whether a payment was missed, doubled, or paid on old terms.
What the aircraft would need to earn per hour, after the owner's share, to cover its own costs.

Ideas, not recommendations. Your situation may differ.

Show the numbers

At $22 per Hobbs hour, N8123V's owner was owed $3,628 for 164.9 hours; the books show $2,800 paid, $828 less than the terms give (23%).

N8123V payout owed: $3,628

N8123V payout booked: $2,800

N8123V revenue: $28,858

N8123V operating cost before payout: $17,029

N8123V net after payout: $8,201

N8123V payout owed: $3,628

N8123V payout booked: $2,800

N8123V revenue: $28,858

N8123V operating cost before payout: $17,029

N8123V net after payout: $8,201

N8123V's fuel cost per hour went up.

N8123V

It rose 18% against the three months before.

Ideas schools in this spot often explore

Where fuel is purchased and at what price: contract pricing, self-serve against full-serve, and fuel-card fees.
Leaning and run-up procedures in the syllabus, and whether they're followed consistently.
Whether the hourly rate or a fuel surcharge moves with fuel prices.

Ideas, not recommendations. Your situation may differ.

Show the numbers

N8123V's fuel cost per Hobbs hour was $74.41 in Jul–Sep 2026, up 18% from $63.31 in Apr–Jun 2026, against a fleet-wide rise of 0%, with under 3 months of flying in a window, so it isn't priced.

Fuel per hour, Jul–Sep 2026: $74.41/hr

Fuel per hour, Apr–Jun 2026: $63.31/hr

Rise: 18%

Fleet-wide change: 0%

Hours flown this period: 164.9 h

Fuel per hour, Jul–Sep 2026: $74.41/hr

Fuel per hour, Apr–Jun 2026: $63.31/hr

Rise: 18%

Fleet-wide change: 0%

Hours flown this period: 164.9 h

N8123V's next inspection falls in the same two weeks as other aircraft's.

N8123V

N8123V flew 33% of the fleet's hours, and the others are due within days of it, so they could all be down at once.

Ideas schools in this spot often explore

Bringing one inspection forward a few days so the aircraft aren't down at the same time.
Whether the shop can take two aircraft in the same week, and how long each would take.
Which bookings fall in those weeks and could move to other aircraft.

Ideas, not recommendations. Your situation may differ.

Show the numbers

N8123V's 100-hour (about Oct 27, 2026) falls within 14 days of N744PS's 100-hour (about Oct 28, 2026) and N4521K's 100-hour (about Nov 5, 2026) (projected). N8123V flew 33% of the fleet's hours from 2026-07-03 to 2026-09-30.

N8123V 100-hour: about Oct 27, 2026

Also due: N744PS 100-hour: about Oct 28, 2026

Also due: N4521K 100-hour: about Nov 5, 2026

N8123V share of fleet hours: 33%

N8123V 100-hour: about Oct 27, 2026

Also due: N744PS 100-hour: about Oct 28, 2026

Also due: N4521K 100-hour: about Nov 5, 2026

N8123V share of fleet hours: 33%

Facts from your data, not a diagnosis.

N8123V: 100-hour (about Oct 27, 2026); it flies about 35.7 tach hours a month, and flew 33% of the fleet's hours from 2026-07-03 to 2026-09-30. main factor
N8123V hours per month: 35.7 h/month
N8123V share of fleet hours: 33%
Also due within 14 days: N744PS's 100-hour (about Oct 28, 2026) and N4521K's 100-hour (about Nov 5, 2026). smaller factor
Other aircraft due in the same weeks: 2

Not in your data: gallons on fuel bills. The cards leave out what depends on them.

est Includes estimated values: inferred bills, placeholder fixed costs or allocated fuel. Figures for cancellations, downtime and unbilled ground sessions are estimates by design.

Utilization by month

Apr–Sep, by calendar month. Based on your weekly schedule.

Flights, newest first

Date	Kind	Hobbs start	Hobbs end	Tach start	Tach end	Source
2026-08-31	dual	4855.1	4856.1	4125.6	4126.5	gsheets
2026-08-31	dual	4853.6	4855.1	4124.3	4125.6	gsheets
2026-08-30	dual	4852.1	4853.6	4123.0	4124.3	gsheets
2026-08-30	dual	4850.6	4852.1	4121.7	4123.0	gsheets
2026-08-29	dual	4849.4	4850.6	4120.7	4121.7	gsheets
2026-08-29	rental	4848.0	4849.4	4119.5	4120.7	gsheets
2026-08-28	dual	4846.7	4848.0	4118.4	4119.5	gsheets
2026-08-28	rental	4845.5	4846.7	4117.4	4118.4	gsheets
2026-08-27	dual	4843.6	4845.5	4115.8	4117.4	gsheets
2026-08-27	dual	4842.2	4843.6	4114.6	4115.8	gsheets
2026-08-26	dual	4840.8	4842.2	4113.4	4114.6	gsheets
2026-08-26	solo	4839.0	4840.8	4111.9	4113.4	gsheets
2026-08-25	dual	4837.5	4839.0	4110.6	4111.9	gsheets
2026-08-24	dual	4836.0	4837.5	4109.3	4110.6	gsheets
2026-08-24	rental	4834.5	4836.0	4108.0	4109.3	gsheets
2026-08-23	dual	4833.4	4834.5	4107.1	4108.0	gsheets
2026-08-22	cancelled	—	—	—	—	gsheets
2026-08-22	rental	4831.5	4833.4	4105.5	4107.1	gsheets
2026-08-22	solo	4830.0	4831.5	4104.2	4105.5	gsheets
2026-08-21	solo	4828.8	4830.0	4103.2	4104.2	gsheets
2026-08-21	solo	4826.9	4828.8	4101.6	4103.2	gsheets
2026-08-20	solo	4825.5	4826.9	4100.4	4101.6	gsheets
2026-08-20	rental	4823.8	4825.5	4099.0	4100.4	gsheets
2026-08-19	dual	4822.4	4823.8	4097.8	4099.0	gsheets
2026-08-19	dual	4820.4	4822.4	4096.1	4097.8	gsheets

Maintenance

Maintenance/hr (12-month) $32/hr est

Hourly (100-hour inspections, oil, other flying wear) $20/hr est

Calendar (annual and other date-driven items) $228/month

Unscheduled repairs in this range $0

Engine reserve per hour (overhaul cost ÷ TBO) $21/hr

Maintenance booked in this range $2,389

Per-hour and per-month figures cover 2025-10-01 to 2026-09-30 (641.7 Hobbs hours), so one month's annual or a month with few hours doesn't swing them. The operating break-even uses them too. Operating cost and margin stay as booked.

Largest in this range

Date	Category	Amount	Memo
2026-08-02	Hourly	$1,757	100-hour inspection N8123V
2026-07-15	Hourly	$232	Oil change N8123V
2026-08-24	Hourly	$205	Oil change N8123V

Coming up

Next 100-hour

About Oct 27, 2026 (at tach 4,166.5)

60% of the way

est

Next annual

Due by Jan 31, 2027

68% of the way

Overhaul

About May 2029

44% of the way

est

Reserve per hour

$21.00 needed

Dates marked est are estimates: the 100-hour from this aircraft's upcoming bookings and its last 90 days of hours (hover it for how), the overhaul projected at about 35.7 tach hours a month, month by month as it flew from 2025-10-01 to 2026-09-30, × 0.79 for its recent trend.

Maintenance downtime

Maintenance2026-08-02 08:00
Back in service2026-08-02 17:00

Downtime counted against utilization in this range: 9.0 h (times in America/Chicago).

Summary

Hours flown	Utilization Based on your weekly schedule.	Revenue	Operating cost	Operating margin	Loan payments	After loan payments Cash view: includes loan principal	Cost/hr	Cost/hr (12-month)
164.9	18.1%	$28,858	−$19,829est	$9,029est	$0	$9,029est	$120est	$138est

Hours flown

Utilization

Based on your weekly schedule.

Revenue

Operating cost

Operating margin

Loan payments

After loan payments

Cash view: includes loan principal

Cost/hr

Cost/hr (12-month)

164.9

18.1%

$28,858

−$19,829est

$9,029est

$120est

$138est

Operating cost by category

Fuel	−$12,270est	62%
Maintenance	−$2,389	12%
Insurance	−$1,170est	6%
Hangar	−$1,200est	6%
Lease payment	−$2,800	14%
Instructor pay	$0	0%
Other	$0	0%
Operating cost	−$19,829est	100%
Loan payments (after the operating margin, not in cost)	$0

est Includes estimated values: inferred bills, placeholder fixed costs or allocated fuel.

Bars are drawn against the largest category; striped bars include estimates. The percent is each category's share of the operating cost.

Fuel includes $2,921 allocated to this aircraft from fuel with no tail number, split by Hobbs hours each month (an estimate).

Fixed-cost placeholders (no bill booked that month, so the aircraft's monthly field is used): 2026-09 Insurance $3902026-09 Hangar $400

By month

Month	Hours flown	Utilization Based on your weekly schedule.	Revenue	Operating cost	Operating margin	After loan payments Cash view: includes loan principal
July 2026	91.3	29.5%	$15,978	−$9,745est	$6,233est	$6,233est
August 2026	73.6	24.5%	$12,880	−$9,294est	$3,586est	$3,586est
September 2026	0.0	0.0%	$0	−$790est	−$790est	−$790est
Range total	164.9	18.1%	$28,858	−$19,829est	$9,029est	$9,029est

Cost per hour, month by month

Month	Hours	Fuel	Maintenance
Oct 2025	63.3	$66/hr	$23/hr
Nov 2025	37.7	$64/hr	$88/hr
Dec 2025	36.1	$67/hr	$19/hr
Jan 2026	24.3	$73/hr	$191/hr
Feb 2026	34.9	$44/hr	$22/hr
Mar 2026	67.8	$73/hr	$3/hr
Apr 2026	60.4	$58/hr	$35/hr
May 2026	77.4	$48/hr	$33/hr
Jun 2026	74.9	$83/hr	$35/hr
Jul 2026	91.3	$80/hr	$3/hr
Aug 2026	73.6	$67/hr	$29/hr
Sep 2026	0	—	—

Month

Hours

Fuel

Maintenance

Oct 2025

63.3

$66/hr

$23/hr

Nov 2025

37.7

$64/hr

$88/hr

Dec 2025

36.1

$67/hr

$19/hr

Jan 2026

24.3

$73/hr

$191/hr

Feb 2026

34.9

$44/hr

$22/hr

Mar 2026

67.8

$73/hr

$3/hr

Apr 2026

60.4

$58/hr

$35/hr

May 2026

77.4

$48/hr

$33/hr

Jun 2026

74.9

$83/hr

$35/hr

Jul 2026

91.3

$80/hr

$3/hr

Aug 2026

73.6

$67/hr

$29/hr

Sep 2026

—

Calendar maintenance (annual inspections and other dated items): 2024 (part) $0 · 2025 $3,073 · 2026 (part) $2,732

Maintenance per hour is lumpy month to month (an annual lands in one month); the 12-month rate above smooths it.

Break-even and cancellations

Break-even: 23.9 hours a month to cover $1,938 of fixed costs; it flew 54.6 a month. est
Cancelled or no-show: 8% of 121 bookings (7 cancelled, 3 no-shows).

Transactions, newest first

Date	Category	Amount	Document	Memo	Source	Match
2026-08-31	Flight revenue	$175	standard	N8123V 1.0 hobbs (dual)	quickbooks	matched
2026-08-31	Fuel	−$153	standard	Fuel N8123V week ending 2026-08-31	quickbooks	matched
2026-08-31	Flight revenue	$263	standard	N8123V 1.5 hobbs (dual)	quickbooks	matched
2026-08-30	Flight revenue	$263	standard	N8123V 1.5 hobbs (dual)	quickbooks	matched
2026-08-30	Fuel	−$1,168	standard	Fuel N8123V week ending 2026-08-30	quickbooks	matched
2026-08-30	Flight revenue	$263	standard	N8123V 1.5 hobbs (dual)	quickbooks	matched
2026-08-29	Flight revenue	$210	standard	N8123V 1.2 hobbs (dual)	quickbooks	matched
2026-08-29	Flight revenue	$245	standard	N8123V 1.4 hobbs (rental)	quickbooks	matched
2026-08-28	Flight revenue	$228	standard	N8123V 1.3 hobbs (dual)	quickbooks	matched
2026-08-28	Flight revenue	$210	standard	N8123V 1.2 hobbs (rental)	quickbooks	matched
2026-08-27	Flight revenue	$333	standard	N8123V 1.9 hobbs (dual)	quickbooks	matched
2026-08-27	Flight revenue	$245	standard	N8123V 1.4 hobbs (dual)	quickbooks	matched
2026-08-26	Flight revenue	$245	standard	N8123V 1.4 hobbs (dual)	quickbooks	matched
2026-08-26	Flight revenue	$315	standard	N8123V 1.8 hobbs (solo)	quickbooks	matched
2026-08-25	Flight revenue	$263	standard	N8123V 1.5 hobbs (dual)	quickbooks	matched
2026-08-24	Maintenance	−$205	standard	Oil change N8123V	quickbooks	matched
2026-08-24	Flight revenue	$263	standard	N8123V 1.5 hobbs (dual)	quickbooks	matched
2026-08-24	Flight revenue	$263	standard	N8123V 1.5 hobbs (rental)	quickbooks	matched
2026-08-23	Flight revenue	$193	standard	N8123V 1.1 hobbs (dual)	quickbooks	matched
2026-08-23	Fuel	−$1,263	standard	Fuel N8123V week ending 2026-08-23	quickbooks	matched
2026-08-22	Flight revenue	$263	standard	N8123V 1.5 hobbs (solo)	quickbooks	matched
2026-08-22	Flight revenue	$333	standard	N8123V 1.9 hobbs (rental)	quickbooks	matched
2026-08-21	Flight revenue	$210	standard	N8123V 1.2 hobbs (solo)	quickbooks	matched
2026-08-21	Flight revenue	$333	standard	N8123V 1.9 hobbs (solo)	quickbooks	matched
2026-08-20	Flight revenue	$298	standard	N8123V 1.7 hobbs (rental)	quickbooks	matched

Date