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(i) Make any inflight requests for random RNAV clearances or route amendments to an en route ATC facility. 

e. Flight Plan Form −  See FIG 5 − 1 − 2. 

## f. Explanation of IFR Flight Plan Items. 

1. Block 1. Check the type flight plan. Check both the VFR and IFR blocks if composite VFR/IFR. 

## FIG 5 − 1 − 2 FAA Flight Plan Form 7233 − 1 (8 − 82) 

2. Block 2. Enter your complete aircraft identification including the prefix “N” if applicable. 

3. Block 3. Enter the designator for the aircraft, followed by a slant(/), and the transponder or DME equipment code letter; e.g., C − 182/U. Heavy aircraft, add prefix “H” to aircraft type; example: H/DC10/U. Consult an FSS briefer for any unknown elements. 

<img src='content_image/558572.jpg'>

4. Block 4. Enter your computed true airspeed (TAS). 

## NOTE − 

If the average TAS changes plus or minus 5 percent or 10 knots, whichever is greater, advise ATC. 

5. Block 5. Enter the departure airport identifi- er code (or the airport name, city and state, if the identifier is unknown). 

## NOTE − 

Use of identifier codes will expedite the processing of your flight plan. 

6. Block 6.  Enter the proposed departure time in Coordinated Universal Time (UTC) (Z). If airborne, specify the actual or proposed departure time as appropriate. 

7. Block 7. Enter the requested en route altitude or flight level. 

## NOTE − 

Enter only the initial requested altitude in this block. When more than one IFR altitude or flight level is desired along the route of flight, it is best to make a subsequent request direct to the controller. 

