Discover / aviation-calc.x402tookit.com

Aviation Calculators

■ Challenge detected

Density altitude from field elevation, altimeter setting and temperature, exact and by rule of thumb, with a performance flag.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
183 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://aviation-calc.x402tookit.com/density-altitude
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
9 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://aviation-calc.x402tookit.com

  • GET/isa-atmosphereNo price listedStandard atmosphere at an altitude: temperature, pressure, density, sound speed, and ISA deviation for a measured temperature.
  • GET/wind-componentsNo price listedHeadwind or tailwind and crosswind (left or right) from wind direction and speed against a runway number or heading, with gusts.
  • GET/glide-ratioNo price listedGlide distance, time and sink rate from altitude above ground, glide ratio and best-glide speed, with headwind or tailwind.
  • GET/true-airspeedNo price listedTrue airspeed, Mach and equivalent airspeed from calibrated airspeed, pressure altitude and outside air temperature.
  • GET/density-altitudeNo price listedDensity altitude from field elevation, altimeter setting and temperature, exact and by rule of thumb, with a performance flag.
  • GET/fuel-time-distanceNo price listedE6B arithmetic: give any two of distance, groundspeed and time for the third, plus fuel burn, reserve and range.
  • GET/pressure-altitudeNo price listedPressure altitude from field elevation and altimeter setting (inHg or hPa), exact ISA result and the 1000 ft per inHg rule.
  • GET/wind-triangleNo price listedE6B wind triangle: wind correction angle, heading and groundspeed for a course, or track and groundspeed for a heading flown.
  • GET/turn-holdNo price listedTurn rate, radius, bank angle and load factor from true airspeed, plus holding pattern leg length, width and time.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 9 of 9 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/aviation-calc.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402183ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Aviation Calculators?

Its listed price is $0.02.

What payment terms does Aviation Calculators advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Aviation Calculators listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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