Inspections
Weather
Regulations
Airspeed
100

The annual inspection was last completed on August 12, 2022. The next annual inspection is due on this date. 

August 31 (or end of August), 2023

(FAR §91.409)

100

The ICAO has defined this rate of change as the standard lapse rate for temperature.

3.5 °F or 2 °C per thousand feet (up to 36,000 feet)

(PHAK - Chapter 4)

100

Of the FAR, it is generally said that Part 61 is your guide to gaining your license to fly, while this Part is your guide to losing it. 

Part 91

100

This airspeed, symbolized as VY, produces the most altitude gained over a given amount of time. 

Best rate of climb

(AFH - Chapter 3; PHAK - Chapter 8)

200

The Emergency Locator Transmitter (ELT) inspection is valid for this duration.

12 calendar months

(FAR §91.207)

200

This weather forecast is a concise statement of the expected meteorological conditions within 5 statute miles of an airport, typically with 24 hour coverage for non-major airports. 

Terminal Aerodrome Forecast (TAF)

(Aviation Weather Handbook - Chapter 27)

200

FAR §61.113 limits cost-sharing with passengers such that the pilot may not pay less than this portion of operating expenses. 

Pro rata share

200

This airspeed, symbolized as VNO, is that IAS which should not be exceeded except in smooth air. 

Maximum Structural Cruising Speed

(PHAK - Chapter 8)

300

An airplane that is not airworthy due to an expired inspection can obtain a ferry permit from this local government entity. 

Flight Standards District Office (FSDO)

(FAR §21.197)

300

These clouds, aptly named for their shape, sometimes mark the crests of mountain waves.

Lenticular clouds

(Aviation Weather Handbook - Chapter 16 & Appendix A)

300

FAR §91.113 grants right-of-way over all other air traffic to this sort of aircraft. 

Aircraft in distress

300

This airspeed is equal to indicated airspeed, corrected for installation and instrument errors (which tend to be greatest at low airspeeds). 

Calibrated Airspeed (CAS)

(PHAK - Chapter 8)

400

This qualification is uniquely required for a mechanic performing an annual inspection. 

Inspection Authorization (IA)

(FAR §91.409)

400

This category of AIRMET will be issued to describe moderate turbulence, sustained surface winds of 30 kt. or greater, and/or non-convective low-level wind shear (LLWS).

Tango

(Aviation Weather Handbook - Chapter 26)

400

FAR §91.155 establishes these basic VFR weather minimums for class B airspace. 

3 statute miles of visibility & clear of clouds

400

This airspeed, symbolized as VA, will increase or decrease with aircraft weight. 

Design Maneuvering Speed

(PHAK - Chapter 8)

500

If needed, a 100-hour inspection can legally be exceeded by this duration without a ferry permit. 

10 hours

(FAR §91.409)

500

These are the three stages of a thunderstorm cell. 

Cumulus, mature, and dissipating

(Aviation Weather Handbook - Chapter 22)

500

This regulation's paragraph (b), enshrined in the ATOMATOFLAMES acronym, lists all required instruments and equipment for VFR flight during the day.

FAR §91.205

500

This airspeed will increase as altitude increases while indicated airspeed may remain constant. 

True airspeed (TAS)

(PHAK - Chapter 8)

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