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The airplane says no before you walk out to it.

Each tail's handbook, digitized and test-verified, runs your weight and balance, performance and booking. Out of limits? It refuses.

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3,374 automated checks, including the published tables of 5 handbooks. Reference only, not the AFM.

N1433F · Tue 11:00 to 14:00

Cessna 172H
45505560657075808590951001051101151500160017001800190020002100220023002400Loaded aircraft moment / 1000 (lb-in)Loaded aircraft weight (lb)Max gross 2,300 lbFwd limit35.0–38.5 inAft limit47.3 inNORMALUTILITYzero fuelin limits
Cleared
2,013 lb at CG 38.6 in · 286 lb to spare
Inside the normal category envelope, 1967 Owner's Manual

Demo load on N1433F's own weighing (1,422.3 lb at 37.4 in). Reference only, not the approved flight manual.

  • 3,374 automated checks
  • 5 handbooks reproduced
  • 0 double-bookings possible, enforced by the database
  • $0 to export your data
  • Offline handbook and checklists

The handbook is the one in the airplane, word for word.

Every checklist, limitation and table is transcribed from that tail's own manual, then held to its printed values by tests. Run the checklist on the ramp; read a speed with its source beside it.

Before Starting the Engine

0 of 4

Tap each item as you do it.

1967 Cessna 172H Owner's Manual, as digitized for N1433F. Reference only.

Airspeed limitations

SymbolSpeedmph
VNENever exceed, calibrated airspeed174
VNOMaximum structural cruising, calibrated airspeed140
VAManeuvering, calibrated airspeed122
VFEMaximum flaps extended, calibrated airspeed100
GlideBest glide80
VSStall, clean57
VS0Stall, landing configuration49

Source: 1967 Cessna 172H Owner's Manual, airspeed limitations (CAS) and operating speeds. Arcs drawn to scale from the same values.

See the airplane, not a spreadsheet.

Squawks on the part they're about, the load where it sits, takeoff on a real runway and glide over the real ground. The same 3D views the app opens for every tail with a model.

Squawks on the airframe

Every squawk pins to the part it's about: open in olive, grounding in red. The mechanic, the renter and the next pilot see the same airplane.

Example squawks on N1433F. Drag to turn it; tap a pin.

Cessna 172H N1433F, 1967 Owner's Manual, through the same engine the app runs. Reference only, not the approved flight manual.

Cessna 172 squawk map, 3 squawks pinned

Drag to turn it. Tap a pin to fly to it.

A schedule that can't be double-booked.

Aircraft down the side, the day across. Overlaps are refused by the database itself, so two members can't win the same hour from two phones.

  • Each booking carries its crew, load and weight and balance.
  • Check out, check in, and the logbook fills itself.
  • An aircraft down for maintenance can't be booked over.

Tuesday, fleet board

N1433F172H
N4573L172L
N738NP172P
N9502MM20F
Tap an open hour to book it. Tap a taken one to see the refusal.

Check-in writes the charge. Month-end writes itself.

For the treasurer: the flight is billed from Hobbs or Tach at that aircraft's rate the moment it's checked in, paid by card or from prepaid block hours, and every member gets a statement you can export.

1 · Check-in

N1433F, J. Alvarez

Hobbs out
2,341.2
Hobbs in
2,342.6
Flown
1.4 h
Rate, wet
$142.00/h
Charge
$198.80
2 · Paid by

Card or block hours

Charged to the card on file through Stripe at check-in, with a $11.37 card service fee as its own line.

3 · Statement

October, J. Alvarez

Oct 3N1433F1.4 h Hobbs, card$198.80
Card service fee2.5% platform fee plus card processing$11.37
Oct 11N4573L1.1 h Hobbs, block hours1.1 h
Oct 15Monthly dues$45.00
October total$255.17
Export the month as CSV
Priced per org: Starter $19/mo, Pro $49/mo at the founding rate.Card payments add a 2.5% platform fee plus card processing, on its own line.Joining an org is free.Pricing

Set up the way you fly.

Flying club

Shared aircraft, shared costs. Fair scheduling, check-in from Hobbs or Tach, and a cost-sharing statement for every member.

Try the live demo as a club

Put your first tail on it tonight.

One aircraft, its handbook and its weight and balance are free. Bring the club when you're ready.

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