T-28 Pilot Report

 

             Flight:     820

               Date:     030730

   Flight Time:     20:36 – 21:43 UTM

               Pilot:     Tom Root

     Controller:     Andy Detwiler

       Location:     Greeley, CO (KGXY)

        Mission:     Research flight

 

Computer

Time

Video

Time

Comments

 

203600

Start

 

204050

Runup

 

204200

Tom's microphone inop

 

205200

Problem fixed

 

205713

Takeoff

 

205923

Passing 6,500 MSL

 

210240

Passing 10,000 MSL with light precip

 

210353

Heading 030

 

210410

P-static with liquid precip

 

210500

Starting to get frozen precip

 

210600

In cloud

 

210634

Flash

 

210739

Heading 070

 

210825

Right turn towards CHILL

 

210911

Fairly large hydrometeors (soft)

 

210958

Left turn to 040

 

212240

Hail

 

211249

Left turn towards CHILL

 

211420

Large hail (quarter sized)

 

211437

Appears one may have impacted video window

 

211706

180 degree turn to the left

 

211743

040 heading

 

211802

34 MP / 2,300 RPM

 

211820

NOx test

 

211920

Updraft

 

212006

Downdraft

 

212030

Hail (dime sized)

 

212055

Hail stops

 

212125

90 / 270 to reverse course

 

212403

Flash

 

212439

Flash

 

212451

Small hail with significant downdraft

 

212550

Aircraft airspeed indicator reading zero, and computer airspeed also reading zero due to pitot heat switch off

 

212645

90 / 270 to reverse course

 

212830

P-static with mixed phase hydrometeors

 

212918

Flash

 

213040

Begin 180 turn to the right

 

213035

Video starts to degrade as generator begins to fail

 

213055

Generator off line

 

213255

Descending through 16,500 MSL direct Greeley

 

213425

Ice accumulation on video

 

214354

Landing

 

NOTES

 

Weather

-        Large hail encountered at 211420.  Cylinder fins dented and paint taken off left wing leading edge.

-        Occasional heavy liquid precip

 

Maintenance

-        Generator failed at 213055

-        P-static still a significant issue

 

Operations